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Genus Stachys: A Review of Traditional Uses, Phytochemistry and Bioactivity

Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, School of Health Sciences, National & Kapodistrian University of Athens, Panepistimiopolis, Zografou, 15771 Athens, Greece
Author to whom correspondence should be addressed.
Medicines 2020, 7(10), 63;
Received: 11 August 2020 / Revised: 18 September 2020 / Accepted: 25 September 2020 / Published: 29 September 2020


Background: The genus Stachys L. (Lamiaceae) includes about 300 species as annual or perennial herbs or small shrubs, spread in temperate regions of Mediterranean, Asia, America and southern Africa. Several species of this genus are extensively used in various traditional medicines. They are consumed as herbal preparations for the treatment of stress, skin inflammations, gastrointestinal disorders, asthma and genital tumors. Previous studies have investigated the chemical constituents and the biological activities of these species. Thus, the present review compiles literature data on ethnomedicine, phytochemistry, pharmacological activities, clinical studies and the toxicity of genus Stachys. Methods: Comprehensive research of previously published literature was performed for studies on the traditional uses, bioactive compounds and pharmacological properties of the genus Stachys, using databases with different key search words. Results: This survey documented 60 Stachys species and 10 subspecies for their phytochemical profiles, including 254 chemical compounds and reported 19 species and 4 subspecies for their pharmacological properties. Furthermore, 25 species and 6 subspecies were found for their traditional uses. Conclusions: The present review highlights that Stachys spp. consist an important source of bioactive phytochemicals and exemplifies the uncharted territory of this genus for new research studies.

Graphical Abstract

1. Introduction

The genus Stachys L., a large member of the Lamiaceae family, comprises more than 300 species, dispersing in temperate and tropical regions of Mediterranean, Asia, America and southern Africa [1,2,3]. Up to now, the most established and comprehensive classification of the genus is introduced by Bhattacharjee (1980), categorizing into two subgenera Betonica L. and Stachys L. [2,3]. The subgenus Stachys includes 19 sections, while the subgenus Betonica comprises 2 sections [1]. However, the two subgenera present important botanical and phytochemical differences which differentiate them [1,4,5].
Stachys species grow as annual or perennial herbs or small shrubs with simple petiolate or sessile leaves. The number of verticillate ranges from four to many-flowered, usually forming a terminal spike-like inflorescence. Calyx tubes are tubular-campanulate, 5 or 10 veined, regular or weakly bilabiate with five subequal teeth. Corolla has a narrow tube, 2-lipped; upper lip flat or hooded and generally hairy, while the lower lip is 3-lopped and glabrous to hairy. The nutlets are oblong to ovoid, rounded at apex [6].
The genus name derived from the Greek word «stachys (=στάχυς) », referring to the type of the inflorescence which is characterized as “spike of corn” and resembles to the inflorescences of the species of genus Triticum L. (Gramineae). In ancient times, the name “stachys” referred mainly to the species Stachys germanica L. whose inflorescence is like an ear and is covered with off-white trichome [7]. The Latin name of the genus is trifarium (=tomentose) [8].
Historically, Dioscorides mentioned the species S. germanica L. with the name “stachys” [9]. However, in late Byzantine era, ‘Nikolaos Myrepsos’ included some species of the genus Stachys (S. germanica L., S. officinalis (L.) Travis, S. alopecuros (L.) Benth.) in his medical manuscript “Dynameron”. Precisely, S. officinalis and S. alopecuros were probably included in 11 recipes, under the names vetoniki, drosiovotanon, lauriole, kakambri, while S. germanica was added in 1 recipe referred as stachys [10].
Many species of the genus are extensively used in traditional medicine of several countries, having various names. For instance, the species S. recta, known as yellow woundwort, is called as “erba della paura” (=“herb that keeps away fear”) in Italy, attributing to the anxiolytic properties of its herbal tea, while S. lavandulifolia Vahl is called as “Chaaye Koohi” in Iran [11,12,13]. In addition, herbal preparations of Stachys spp. are widely consumed in folk medicine to treat a broad array of disorders and diseases, including stress, skin inflammations, stomach disorders and genital tumors [3,14,15]. Specially, the herbal teas of these plants, known as “mountain tea”, are used for skin and stomach disorders [12,16]. The latter common name could lead to a misinterpretation since the herbal remedies of any Sideritis species are globally known with the same name.
In the international literature, Stachys species have been broadly studied through several phytochemical and pharmacological investigations, justifying their ethnopharmacological uses. Of special pharmacological interest are considered the anti-inflammatory, antioxidant, analgesic, renoprotective, anxiolytic and antidepressant activity [3,17,18,19]. The range of the therapeutic properties attributed to these species have been associated to their phytochemical content. Therefore, genus Stachys has received much attention for the screening of its bioactive secondary metabolites from different plant parts. In general, more than 200 compounds have been isolated from this genus, belonging to the following important chemical groups; terpenes (e.g., triterpenes, diterpenes, iridoids), polyphenols (e.g., flavone derivatives, phenylethanoid glycosides, lignans), phenolic acids and essential oils [3,5,14,20,21,22].
Consequently, plants of genus Stachys are considered a great source of phytochemicals with therapeutic and economic applications. Given the increasing demand for natural products, many Stachys species have been cultivated for uses in traditional medicine, in food market, in cosmetic industry and for ornamental reasons [21,22]. Despite the widely uses of the specific species and the large amount of research studies, there has been no recent comprehensive review including all the latest data of the specific genus and its contribution in medicine. Up to now, the available reviews are centered to the phytochemical profile and biological activities of Stachys spp. in correlation to chemotaxonomy approach [3,21,22,23]. Thus, this review summarizes the current state of knowledge on the traditional uses, phytochemistry, pharmacological activities, clinical studies and toxicity of the genus Stachys L.

2. Materials and Methods

A comprehensive search on previous studies was conducted on scientific databases such as PubMed, Scopus, Google scholar and Reaxys, including the years 1969–2020. The search terms “Stachys”, “Stachys compounds”, “Stachys phytochemicals”, “Stachys pharmacological” and “Stachys traditional uses” were used for data collection. Searches were performed for other potential studies by manual screening references in the identified studies. In total, 161 publications describing the traditional uses, bioactive compounds, pharmacological properties and the toxicity of the genus Stachys were included, excluding articles focuses on taxonomy, botany and agronomy. The traditional medicinal uses of Stachys species were reported in Table 1, while the isolated specialized products were categorized by species in Table 2, Table 3, Table 4, Table 5, Table 6, Table 7, Table 8, Table 9, Table 10, Table 11, Table 12, Table 13, Table 14 and Table 15, with the attempt of the discrimination between publications describing metabolites′ isolation (including NMR data) or identification/screening (by means of HPLC, LC-MS, etc.). The chemical structures of the bioactive compounds were showed in Table 16, Table 17, Table 18, Table 19, Table 20, Table 21, Table 22, Table 23, Table 24, Table 25, Table 26, Table 27, Table 28 and Table 29. The reported biological activities of extracts/compounds of the last five years were mentioned by Stachys species in Table 30. The general characteristics of the analyzed studies in the current review are showed in Table 31. According to recent publications which support the division of the genus Stachys based on Bhattacharjee (1980), the classification in the present review is formed on this latter study. The species name and their synonyms are quoted as reporting in databases “Plant list” or “Euro + Med” or “IPNI” [24,25,26].

3. Traditional Medicinal Uses of Genus Stachys

Several Stachys spp. have been used in various ethnomedicines for thousands of years. A plethora studies mentioned their diverse traditional medicinal uses. In the current review, a detailed description of the available data of the traditional uses of Stachys spp. is shown in Table 1, reporting 25 species and 6 subspecies of this genus. A careful overview of the specific table reveals that the ethnomedicinal use of Stachys spp. is particularly in the area covering of Mediterannean to Iran. Most of the species are consumed as herbal teas for the treatment of infections, common cold, gastrointestinal disorders, inflammation, skin disorders/wounds, asthma and anxiety.
The species S. affinis is widely used in Chinese traditional medicine for several uses such as common cold, heart disease, pain relief, antioxidant activity, ischemic brain injury, dementia and gastrointestinal related diseases [27,28,29,30]. Another species applied in Chinese folk medicine is S. geobombycis, known as DongChongXiaCao, which is recommended as tonic and interestingly, this species is also used in Europe and Japan [22].
In Iran, several species are applied as traditional therapeutic agents in various conditions, including S. acerosa [31], S. fruticulosa [32], S. byzantina (known in Farsi as “lamb’s ear” or “lamb’s tongue” or “sonbolehe noghrehi” or “zabanehe bare”) [33,34,35], S. inflata (local names; ′′poulk′′ or “Ghol-e-Argavan”) [31,36,37], S. lavandulifolia (known as “Chaaye Koohi”) [12,13,31,38,39,40,41,42,43,44], S. pilifera [31,45], S. schtschegleevii [32,34,46], S. sylvatica [47] and S. turcomanica [34]. Of considerable interest, S. sylvatica (common name “hedge woundwort”) is recommended for the treatment of women with polycystic ovary syndrome (PCOS) [47].
Furthermore, in Turkish folk medicine, the species S. cretica subsp. anatolica, S. cretica subsp. mersinaea, S. iberica subsp. georgica, S. iberica subsp. stenostachya, S. kurdica, S. lavandulifolia and S. obliqua are used mainly to treat colds, cough, stomach ache and as antipyretic agents, while S. sylvatica is applied in cardiac disorders [22,48,49,50].
In Italy, the infusions of the leaves of S. annua and S. recta are used to wash the face to reveal headache [51], whereas the aerial parts of the subspecies S. annua subsp. annua, known as “stregona annual” or “erba strega”, are consumed as anti-catarrhal, febrifuge, tonic and vulnerary [52]. The decoction of the aerial parts of S. recta is also consumed as purative and for bad luck/spirit [53,54]. Interestingly, S. annua and S. arvensis, as well as the subspecies S. recta subsp. recta are applied against evil eye [11,51,52,55]. Moreover, in an area of central Italy, the species S. officinalis is used as oily extract to treat wounds and to dye wood yellow [29,54]. To be mentioned that S. recta is listed in the European Pharmacopeia, as well as S. officnalis is mentioned in Anthroposophic Pharmaceutical Codex (APC) [22]. However, Gören (2011) reported that some species (e.g., S. annua, S. recta and S. sylvatica) have been mentioned to be poisonous [22].
In North Greece, the infusion and decoction of S. iva are consumed against common cold and gastrointestinal disorders [56]. In addition, Fazio et al. (1994) reported different formulations of the Greek species S. mucronata applied in Greek tradition medicine. Precisely, the decoction of this species is consumed as an antirheumatic and antineuralgic agent, as well as the juice of fresh leaves is applied in wounds and ulcers. Moreover, the infusion of fresh leaves has antidiarrhoic effect, while the infusion of roots is purgative [57].
In addition to traditional medicinal uses, some species of genus Stachys are also consumed as edible plants, vegetables and food additives like the tubers of S. affinis (known as Chinese artichoke/chorogi; China/Japan) in China and Japan [22,27], the aerial parts of S. lavandulifolia in Iran [31], or the S. palustris in Poland [22,58]. The latter species is also included in the diet in Sweden, Ukraine and Great Britain [22]. Moreover, the dried powder of S. palustris is used as an additive for bread in Europe, thus it is known as “mayday flour” [22].
The infusion of the aerial parts of Stachys sp. LAM is used as traditional remedy for colic, gases and swollen stomach in Peru [22,59]. It is noteworthy to mention that a few species have been used in veterinary such as S. germanica and S. officinalis [30,54].

4. Chemical Composition

Various non-volatile chemical constituents have been reported from different species of genus Stachys, categorizing into important chemical groups including fatty acids, alkaloids (e.g., stachydrine, turiaine), triterpenes, phytosterols, phytoecdysteroids, diterpenes, iridoids, flavonoids, phenylpropanoid glucosides, acetophenones, phenylethanoid glycosides, lignans, phenolic acids, megastigmanes and polysaccharides [3,20,21,23,67]. The present survey was focused on all the above groups, excluded fatty acids and alkaloids due to the limited available studies. This section summarizes the phytochemicals from the genus Stachys which are mainly responsible for its pharmacological benefits, presented in Table 2, Table 3, Table 4, Table 5, Table 6, Table 7, Table 8, Table 9, Table 10, Table 11, Table 12, Table 13, Table 14 and Table 15. To be mentioned that large number of phytochemicals were mainly discovered from the aerial parts, leaves and a few were found in stems and roots.

4.1. Flavonoids

The genus Stachys consists a rich source of flavonoids. Accumulating studies have reported the several types of flavonoids occurring in Stachys spp., including flavones (Table 2 and Table 16), poly-methylated flavones (Table 3 and Table 17), flavonols (Table 4 and Table 18), flavanones (Table 5 and Table 19) and one biflavonoid (Table 6 and Table 20).
Regarding the flavone derivatives (Table 2 and Table 16), 18 flavone 7-O-acetylallosylglucosides were mentioned in the most species of subgenus Stachys (31 species). The flavone 7-O-glucosides were also found in many species through the two subgenera. Marin et al. (2004) reported that tricetin 3′,4′,5′-trimethyl-7-O-glucoside (62) consists a chemotaxonomic marker for the subgenus Betonica [5]. Precisely, selgin 7-O-glucoside (59), tricin 7-O-glucoside (61) and tricetin 3′,4′,5′-trimethyl-7-O-glucoside (62) were identified from the leaves of three species of the latter subgenus; S. alopecuros (section Betonica), S. officinalis (section Betonica) and S. scardica (section Macrostachya) [5]. Furthermore, derivatives of apigenin p-coumaroyl glucosides and chrysoeriol p-coumaroyl glucosides were reported in Stachys species, though some p-coumaroyl glucosides (not determined) were also identified [5,75]. To be mentioned that chrysoeriol 7-O-glucoside (43), chrysoeriol p-coumaroyl glucosides (46,47) and chrysoeriol 7-O-[6″′-O-acetyl-allosyl]-(1→2)-glucoside (stachyspinoside) (44) were mainly isolated from wild Greek taxa of the subgenus Stachys [3,77,98,99,102], apart from the Greek species S. ionica [20], S. tetragona [100] and the cultivated species S. iva [56]. Nazemiyeh et al. (2006) investigated the phytochemical profile of the stems of S. schtschegleevii, reporting four flavonoids, among them were also two p-coumaroyl derivatives of apigenin and chrysoeriol [74]. Moreover, flavone 7-O-mannosylglucosides were reported from the two species S. atherocalyx (section Eriostomum) and S. spectabilis (section Olisia) [72,89,90]. Few flavone C-glucosides were mentioned in the species S. aegyptiaca (subg. Stachys; sect. Ambleia), S. officinalis (subg. Betonica; sect. Betonica), and S. scardica (subg. Betonica; sect. Macrostachya) [5,68,104]. Zinchenko (1973) reported the existence of two derivatives of methoxybaicalein, namely palustrin (63) and palustrinoside (64), from the species S. palustris of subgenus Stachys (section Stachys) [104]. Notably, the subterranean organs of S. annua were investigated and the isolation of two flavone derivatives was reported, namely 4′-O-methyl-isoscutellarein (12) and 4′-O-methyl-isoscutellarein-7-O-(6″′-O-acetyl)allopyranosyl-(1→2)-glucopyranoside (21) [95].
Furthermore, our survey revealed the presence of poly-methylated flavones in the genus Stachys (Table 3 and Table 17). Precisely, six species and four subspecies from subgenus Stachys, as well as one species from subgenus Betonica, are found to contain poly-methylated flavones. The most common representative was xanthomicrol (69) which was mentioned in seven Stachys species and subspecies of different sections from the subgenus Stachys [20,68,74,77,78,102,107]. In the stems of the species S. schtschegleevii, apart from xanthomicrol (69), was also found circimaritin (66) [74].
A few studies mentioned the existence of flavonols in Stachys spp. (Table 4 and Table 18), mainly in species occurred in Greece. Afouxenidi and colleagues (2018) isolated kaempferol (91) from the n-butanol residue of the aerial parts of S. tetragona [100], which was also identified in the aerial parts of S. cretica subsp. smyrnaea [81]. Moreover, isorhamnetin (92) was isolated from the methanol extract of the aerial parts of S. swainsonii subsp. swainsonii and S. swainsonii subsp. argolica [102]. A study conducted by Marin et al. (2004) identified the presence of quercetin 3-O-rutinoside (93) and isorhamnetin 3-O-glucoside (94) from the aerial parts of S. palustris [5].
In addition, three flavanones were isolated from three species of the genus Stachys (Table 5 and Table 19). Eriodictyol (95) was mentioned in S. cretica [108] and in one subspecies of S. swainsonii [102], while naringenin (96) was isolated from the aerial parts of the species S. aegyptiaca [104]. A flavanone rutinoside, known as hesperidin (97), was identified as one of the major compounds of the aerial parts of S. cretica subsp. smyrnaea [81].
Of great interest is the isolation of a rare diflavone ester of μ-truxinic acid, namely stachysetin (98). It is well-known that diglycoside flavone esters of dicarboxylic acids are rare compounds in plant kingdom. Stachysetin was firstly isolated from the ethanol extract (70% v/v) of the aerial parts of S. aegyptiaca [69]. Then, Murata and co-workers (2008) reported it in the methanol residue (80% v/v) of the aerial parts of S. lanata [82]. In a current study carried out by Pritsas et al. (2020), stachysetin was isolated from the methanol: aqueous (5:1) extract from the flowering aerial parts of the cultivated S. iva (Table 6 and Table 20) [56]. Up to now, there is no report of this secondary metabolite in the species of the subgenus Betonica. The presence of this rare natural compound in the sections Ambleia, Eriostomum and Candida of the subgenus Stachys might be considered as a chemotaxonomic marker among the two subgenera and of the genus Stachys.

4.2. Phenolic Derivatives; Acetophenone Derivatives

Regarding the phenolic derivatives of genus Stachys (Table 7 and Table 21), mainly chlorogenic acid (103) was appeared in nine Stachys species; S. candida [78], S. iva [56], S. cretica (S. cretica subsp. smyrnaea [81], S. cretica subsp. mersinaea [108], S. cretica subsp. vacillans [112]), S. lanata [82], S. tmolea [85], S. thirkei [84], S. recta [14], S. palustris [104] and S. officinalis [111]. The isomers of chlorogenic acid (102, 104, 105) also reported in S. atherocalyx [110], S. recta [14] and S. palustris [23,104]. Caffeic (108) and p-coumaric (106) acids were found in two Stachys spp. [104,110]. Moreover, Kirkan (2019) identified vanillic (100) and syringic (101) acids from the aerial parts of S. cretica subsp. vacillans [112]. Though, 4-hydroxybenzoic acid (99) was reported from S. tmolea [85]. Arbutin (107) was also identified in the aerial parts of S. germanica subsp. salviifolia [109]. One study also reported the presence of acetophenone derivatives from the roots of S. lanata, namely androsin (109), neolloydosin (110) and glucoacetosyringone (111) (Table 8 and Table 22) [82]. The isolation of the latter compounds might be attributed to the different investigated plant parts (roots).

4.3. Lignans

Lignans are types of polyphenols with diverse structures. Although these bioactive compounds were presented in Lamiaceae family [149], a few studies reported their existence in plants of genus Stachys. Specifically, three lignans categorizing into two furanofuran-type derivatives (sesamin and paulownin) and one benzofuran-type lignan (urolignoside) were reported in two species of the subgenus Stachys (Table 9 and Table 23). Laggoune et al. (2016) isolated sesamin (112) and paulownin (113) from the aerial parts of S. mialhesii [103], while urolignoside (114) was isolated from the aerial parts of S. tetragona [100]. Given that up to now there is no study reported the presence of lignans in the subgenus Betonica, the identification of lignans might be considered as a chemotaxonomic difference between the two subgenera Stachys and Betonica.

4.4. Phenylethanoid Glycosides; Phenylpropanoid Glucosides

The present review unveiled 29 phenylethanoid glycosides in 17 Stachys species (Table 10 and Table 24). Acteoside or verbascoside (118) was the most abundant found in 16 Stachys spp. of all sections through this survey. Additional phenylethanoid glycosides isolated and identified from this genus includes martynoside, leucosceptoside A and lavandulifoliosides. Lavandulifolioside A (or stachysoside A) (129) was firstly isolated from the methanol extract of the aerial parts of S. lavandulifolia in 1988 [115], while in 2011 Delazar et al. (2011) isolated lavandulifolioside B (130) from the same plant, for the first time [12]. Moreover, three phenylethanoid glycosides were reported from the aerial parts of S. byzantina (section Eriostomum), including verbascoside (118), 2′-O-arabinosyl verbascoside (122) and aeschynanthoside C (133) [35]. Among them, the first and the last compound has been isolated only from the specific species. A survey conducted by Murata and co-workers (2008) reported ten phenylethanoid glycosides from different plant parts [82]. In the aforementioned study, leonoside B (or stachysoside D) (134) and martynoside (135) were mentioned from the aerial parts of S. lanata, while from the roots of the specific species were reported eight phenylethanoid glycosides, namely rhodioloside (115), verbasoside (116), 2-phenylethyl-D-xylopyranosyl-(1→6)-D-glucopyranoside (117), verbascoside (118), isoacteoside (119), darendoside B (120), campneoside II (121) and campneoside I (136). It is remarkable to point out that compounds 115, 117 and 120 haven′t been reported in other Stachys species. This might be attributed to the fact that the plant material was roots. Another study carried out by Karioti et al. (2010) focused on the phenolic compounds from the aerial parts of S. recta, and reported many phenylethanoid glycosides from its aerial parts, including acteoside (118), isoacteoside (119), β-OH-acteoside (121), betunyoside E (127), campneoside I (136), forsythoside B (137), β-OH-forsythoside B methyl ether (138) [14]. Furthermore, lamiophloside A (141) was isolated with some other phenylethanoid glycosides from the aerial parts of S. tetragona [100]. Of great interest is that our survey revealed that this constituent is mentioned only in the specific species. Two rare phenylethanoid glycosides, parviflorosides A-B (142143) were isolated from the whole plant of S. parviflora [120]. These two compounds are characterised by the presence of a third saccharide (rhamnose) linked to the proton H-2′ of glucose, comparing to others common phenylethanoid glycosides where the connection of the third saccharide is in proton H-3′ of glucose. Of great interest is that S. parviflora is now considered as the monotypic genus Phlomidoschema (only P. parviflorum (Benth.) Vved.) [2]. Furthermore, leonoside A (or stachysoside B) (139) was isolated with other three phenylethanoid glucosides from the whole plant of S. riederi [114]. To be mentioned that phenylethanoid glycosides were reported in both subgenera of genus Stachys.
Apart from phenylethanoid glucosides, Murata et al. (2008) mentioned two phenylpropanoid glucosides in the roots of S. lanata (subg. Stachys; sect. Eriostomum), coniferin (144) and syringin (145) (Table 11 and Table 25) [82]. It is worth to mention that the isolation of phenylpropanoid glucosides only from the specific plant, might be assigned to the different studied plant material (roots).

4.5. Iridoids

Iridoids are among the major chemical compounds found in genus Stachys. According to Tundis et al. (2014), iridoids are considered as good chemotaxonomic markers of this genus [3]. Accumulating phytochemical studies have reported diverse types of iridoids [3]. The present review summarises all these studies, exemplifying 38 Stachys species which their iridoid cargo has been investigated (Table 12 and Table 26). Harpagide (148; 31 species) and its acetyl derivative; 8 acetyl-harpagide (150; 28 species) are of common occurrence in genus Stachys and might be considered as characteristic iridoids of these plants. Furthermore, ajugol (146; 18 species), ajugoside (147; 18 species), melittoside (166; 17 species), monomelittoside (165; 4 species) and 5-allosyloxy-aucubin or 5-O-allopyranosyl-monomelittoside (167; 4 species/1 subsp.) were also mentioned in various species. Allobetonicoside (161) was firstly isolated from the aerial parts of S. officinalis [127] and then from the aerial parts of S. glutinosa [122] and of S. macrantha [117]. The latter study also mentioned the isolation of cinnamoyl-harpagide derivative, macranthoside (156), for the first time. To be mentioned that Jeker et al. (1989) also isolated 6-O-acetylmioporoside (155) from the aerial parts of S. officinalis [127]. In addition, two species revealed the presence of 8-epi-loganic acid (157), 8-epi-loganin (159) and gardoside (160) [20,56], as well as 7-O-acetyl-8-epi-loganic acid (158) was only mentioned from the aerial parts of S. spinosa [98]. Of note, Iannuzzi et al. (2019) isolated from the leaves of S. ocymastrum (syn. S. hirta L.) five iridoids which haven′t been documented in other species, namely 6β-acetoxyipolamiide (172) 6β-hydroxyipolamiide (173), ipolamiide (174), ipolamiidoside (175) and lamiide (176) [123]. A study conducted by Háznagy-Radnai (2006) examined the phytochemical profiles of Stachys spp. growing in Hungary, reporting the iridoid content of ten taxa [124]. Murata and co-workers (2008) isolated five new esters of monomelittoside from the aerial parts and roots of S. lanata [82]. In particular, stachysosides E (168), G-H (170–171) were found in roots, while stachysosides E (168) and F (169) were discovered from the aerial parts of the specific species. It is important to be mentioned the detection of a new iridoid diglycoside, 4′-O-β-D-galactopyranosyl-teuhircoside (162), which was isolated from the flowering aerial parts of S. alopecuros subsp. divulsa [119]. Muñoz et al. (2001) reported the presence of 5-desoxy-harpagide (151) and 5-desoxy-8-acetyl-harpagide (152) from the aerial parts of S. grandidentata [129]. Notably, this review unveiled some differences in iridoids among subgenera Stachys and Betonica. Firstly, it was observed that there is no report for the presence of monomelittoside or melittoside derivatives in the subgenus Betonica. Secondly, reptoside (153) was found in two species of subgenus Betonica (S. macrantha and S. officinalis) and not in the plants of subgenus Stachys.

4.6. Diterpenes

A landmark study for diterpenes of genus Stachys is the review article of Piozzi and Bruno (2011), including all the reported diterpenoids from roots and aerial parts of Stachys spp [21]. Up to now, several types of diterpenes have been mentioned, comprising types of neo-clerodane, labdane, rosane and ent-kaurene skeleton (Table 13 and Table 27). The most common type is the neo-clerodane skeleton derivates, as they were found in various species. S. aegyptiaca has thoroughly studied for its phytochemical profile. A study conducted by Hegazy et al. (2017) reported the discovery of three new neo-clerodane diterpenoids from the aerial parts of the aforementioned plant, namely stachaegyptins A-C (190192) [106]. One year later, two new compounds were mentioned; stachaegyptins D-E (193194) [131], while in a current work stachaegyptins F-H were isolated (195197) [133]. Moreover, stachysperoxide (189) was isolated from the S. aegyptiaca [132]. These stachaegyptin derivatives and stachysperoxide reported only in the species S. aegyptiaca and might be a characteristic chemical compound of the specific plant of the section Ambleia. Derkach (1998) mentioned the compounds annuanone (cis-clerodane type) (181), stachylone (182) and stachone (183) in five species of the subgenus Stachys; S. atherocalyx, S. inflata, S. iberica and S. sylvatica [134]. Other neo-clerodane type diterpenes which were found in many species are roseostachenone (184), roseostachone (185), roseostachenol (186) and roseotetrol (187). Ruiu and co-workers (2015) explored the aerial parts of S. glutinosa, isolating roseostachenone and the new neo-clerodane diterpene, 3α,4α-epoxyroseostachenol (188) [107]. Furthermore, labdane type derivatives were occurred in the genus Stachys. Fazio et al. (1994) investigated the aerial parts of S. mucronata and isolated three labdane skeleton compounds; ribenone (198), ribenol (199) and 13-epi-sclareol (200) [57]. The latter compound has also been found in S. rosea [141]. Paternostro et al. (2000) studied the aerial parts of S. plumosa, determining the following labdane type derivatives (+)-6-deoxyandalusol (201), 13-epi-jabugodiol (202) and (+)-plumosol (203) [144]. The compound (+)-6-deoxyandalusol were also found in S. distans and S. ionica [139]. Some ent-kaurene derivatives were reported in S. aegyptiaca [130], S. lanata [135] and S. sylvatica [142]. Moreover, one abietane diterpenoid, horminone (211), was isolated from the aerial parts of S. mialhesii [103]. It is noteworthy to be underlay the presence of two rare rosane type diterpenes in the aerial parts of S. parviflora, namely stachyrosanes 1 (212) and 2 (213) [134]. In addition, six diterpene lactone derivatives, i.e., betolide (214), betonicolide (215) and betonicosides A-D (216219) were found in the species S. officinalis [143,145] and S. scardica [143] of the subgenus Betonica.
In the context of chemotaxonomic significance, it could be observed that species of subgenus Stachys product mainly neo-clerodane and labdane type derivatives, while the plants of subgenus Betonica biosynthesized diterpene lactone derivatives. Thus, the latter derivatives might be recognised as characteristic chemotaxonomic markers of subgenus Betonica. Another important chemotaxonomic point is reported by Piozzi et al. (2002), mentioning that (+)-6-deoxyandalusol has been determined only in three Stachys species of eastern part of the Mediterranean region [139].

4.7. Triterpene Derivatives, Phytosterols and Phytoecdysteroids

Triterpene derivatives and phytosterols are major secondary metabolites of Lamiaceae family. In genus Stachys, five phytosterol derivatives (220224) were found in S. byzantina [17,35], S. annua [95], S. spinosa [99], S. tetragona [100], S. palustris [146] and S. alopecuros subsp. divulsa [119] (Table 14 and Table 28). Furthermore, the triterpenoids; ursolic (226) and oleanolic (227) acids were only reported from the section Olisia (subg. Stachys) [95,99,100]. Kotsos et al. (2007) isolated an oleanolic lactone derivative (228) of the aerial parts of S. spinosa [99]. It is noteworthy to be mentioned the presence of saponin derivatives in genus Stachys (Table 14 and Table 28). The first saponins isolated from this genus were from the water extract of the whole plant of S. riederi, including 8 stachyssaponins (I-VIII, 231–238) [147]. Afterwards, stachyssaponins A-B (229–230) were found from the methanol extract of the aerial parts of S. parviflora [63].
Few Stachys spp. include phytoecdysteroids (Table 14 and Table 28). Ramazanov and co-workers (2016) isolated five phytoecdysteroids from S. hissarica [67], namely 20-hydroxyecdysone (239), polipodin B (240), integristeron A (241), 2-desoxy-20-hydroxyecdysone (242) and 2-desoxyecdyson (243).

4.8. Other Chemical Categories

Notable among the above-mentioned classes of compounds are the megastigmane derivatives from Stachys spp. (Table 15 and Table 29). Takeda and colleagues (1997) isolated from the aerial parts of S. byzantina five bioactive compounds from this group, including byzantionosides A-B (244,245), icariside B2 (246), (6R, 9R)- and (6R, 9S)-3-oxo-α-ionol glucosides (247) and blumeol C glucoside (248) [148]. Furthermore, vomifoliol (249) and dehydrovomifoliol (250) were reported from the aerial parts of S. lanata, while citroside A (251) was isolated from the roots of this species [82]. This study also mentioned the presence of sugar ester (cistanoside F) from the roots of S. lanata [82]. At this point, we should note that few studies reported some oligosaccharides from Stachys spp. [3]. For instance, stachyose is a tetrasaccharide which consists one of the most common oligosaccharides in genus Stachys and shows beneficial effects for the gastrointestinal system as it can be directly consumed [3,23,119,150]. Precisely, the species S. sieboldii is a major source of this constituent [27,151,152]. Stachyose is an oligosaccharide, which can be directly consumed for the benefit of gastrointestinal system [150]. Furthermore, Yin and colleagues (2006) mentioned that the bitter taste of some Stachys species, such as S. annua and S. balansae, might be attributed to their bitter diterpene derivatives, like stachylone [22,151].

5. Pharmacological Activities

This section includes the most interesting pharmacological data of the last five years (from 2015 to 2020). Many studies exemplified the great antimicrobial, antioxidant and cytotoxic effects of the essential oils of these plants [3,15]. Tundis et al. (2014) described in detail the biological studies (in vitro and in vivo) of the essential oils, extracts and compounds [3]. Thus, in the present review, we focused on the current available pharmacological researches of the extracts and isolated compounds from Stachys spp. as they are presented in Table 30.

5.1. Antioxidant Activity/Cytoprotective

Tundis et al. (2015) evaluated five extracts (n-hexane, dichloromethane, methanol, methanol with Soxhlet apparatus and ethanol 70% extract) from the aerial parts of S. lavandulifolia for their antioxidant activity, using β-carotene bleaching test, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS), 1,1-Diphenyl-2-picrylhydrazyl (DPPH), and Ferric Reducing Antioxidant Power (FRAP) assays [116]. The most polar extracts, ethanol 70% and methanol extracts, showed the highest radical scavenging activity against ABTS radical (IC50 values of 19.9 and 22.8 μg/mL, respectively), whereas the methanol extract Soxhlet apparatus was the most active in the DPPH method (IC50 of 25.0 μg/mL). In the β-carotene bleaching test, the methanol and ethanol extract demonstrated the stronger activity after 30 min of incubation (IC50 = 29.3 and 33.0 µg/mL, respectively) and the IC50 values were of 60.3 and 34.6 µg/mL, respectively after 60 min of incubation. Moreover, they studied the antioxidant activity of bioactive secondary metabolites; arbutin (107), acteoside (118), monomelittoside (165), melittoside (166), 5-allosyloxy-aucubin (167), and stachysolone (177), reporting that in both DPPH and ABTS assays the most active compounds was arbutin (107) with IC50 values of 62.5 and 45.7 μg/mL, respectively [116]. Another work investigated the antioxidant activity of three extracts of S. guyoniana, through β-carotene–linoleic acid, DPPH, ABTS, CUPric Reducing Antioxidant Capacity (CUPRAC) and metal chelating assays [155]. The chloroform extract had the highest antioxidant activity (IC50 = 2.3 ± 1.27 μg/mL) in β-carotene–linoleic acid and in ABTS method (IC50 = 7.29 ± 0.23 μg/mL). The n-butanol extract showed the better antioxidant capacity in DPPH test (IC50 = 2.91 ± 0.14 μg/mL) compared to other extracts and to the reference compound α-tocopherol (IC50 = 7.31 ± 0.17 μg/mL), as well as it demonstrated highest activity in CUPRAC method (A0.50 = 0.15 ± 0.05 μg/mL) and in metal cheating assay (inhibition at 100 μg/mL: 48%). In addition, Laggoune et al. (2016) demonstrated the great antioxidant properties in vivo of S. mialhesii [103]. Particularly, the n-butanol extract of the specific plant showed IC50 value of 0.047 mg/mL in DPPH assay, while the IC50 value of the isolated compound isoscutellarein-7-O-[6″′-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucoside (15) was 0.066 mg/mL and the reference compound quercetin was 0.012 mg/mL. Notably, they also mentioned that the extract (up to 10 g/kg) did not show any toxicity in mice during 24 h after administration. In addition, the antioxidant activity of three subspecies of S. cretica (i.e., S. cretica subsp. mersinaea; S. cretica subsp. smyrnaea; S. cretica subsp. vacillans) were investigated in different works [81,108,112]. The antioxidant capacity of the methanol extract of S. parviflora was measured, exhibiting an IC50 value of 76.87 ± 0.57 μg/mL (DPPH method) and of 188.47 ± 0.76 μg/mL (β-carotene bleaching test; BCB), while the standard compound, butylated hydroxytoluene (BHT), had stronger activity in both tests (DPPH test: IC50 = 1.23 ± 0.02 μg/mL; BCB test: 34.31 ± 0.40 μg/mL) [64]. Guo et al. (2018) examined the antioxidant activity of five fractions from the 70% ethanol extract of tubers of S. affinis by DPPH assay and superoxide radical scavenging activity [28]. The ethyl acetate fraction showed extremely high antioxidant activity in DPPH method (IC50 = 0.85 ± 0.04 μg/mL) with α-tocopherol as positive control (IC50 = 18.68 ± 0.51 μg/mL). They reported that this great antioxidant activity was attributed to the high content in phenolics and flavonoids of this fraction and confirmed the use of this plant as a natural antioxidant. Another work studied the antioxidant activity of the extracts and fractions of the same Stachys species on reactive oxygen species (ROS) production induced by H2O2 in HT-1080 cells [29]. In particular, the n-hexane fraction decreased H2O2-induced ROS and oxidative stress-induced DNA damage, as well as it increased glutathione (GSH) production. The species S. mucronata demonstrated strong anti-radical activity due to the high content in polyphenols [156]. A recent study conducted by Aminfar et al. (2019) described a chemometric-based approach in order to classify S. lanata by Gas Chromatography-Mass Spectrometry (GC-MS) fingerprints and to correlate their chemical constituents with their antioxidant capacity [35]. They identified eight antioxidant markers which could also serve as volatile markers. In addition, Elfalleh and co-workers (2019) demonstrated the differences of the antioxidant properties of the extracts of S. tmolea, reporting that water extract exhibited highest activity than methanol extract, using DPPH, ABTS, CUPRAC, FRAP, phosphomolybdenum and ferrous ion chelating methods [85]. A survey conducted by Hwang et al. (2019) demonstrated that the ethanol extract of S. riederi var. japonica exhibited antioxidant effects on ultraviolet A (UVA)-irradiated human dermal fibroblasts (HDFs), through suppression of ROS generation [160]. The antioxidant activity of the methanol extract of the Lebanese species S. ehrenbergii was measured by ABTS radical cation decolorization assay and the methanol extract showed an IC50 value of 52 ± 7.5 mg/mL [154]. Furthermore, the chemical profile and some biological activities of three herbal teas in Anatolia were examined [84]. Among them, the methanol extract of S. thirkei showed strongest antioxidant capacity, through β-carotene (IC50 = 47.79 ± 0.59 μg/mL), DPPH (IC50 = 49.31 ± 0.38 μg/mL), ABTS (IC50 = 13.34 ± 0.02 μg/mL) and CUPRAC (absorbance%: 1.88 ± 0.02 μg/mL) assays. Sadeghi et al. (2020) assessed the the antioxidant properties of hydroalcoholic extract of S. pilifera on nephrotoxicity induced with cisplatin (CP) in vivo (in rats), showing that the specific extract restored the antioxidant capacity, as well as it had renoprotective activity [19].

5.2. Cytotoxicity and Antiproliferative Activity

Venditti et al., (2017) investigated the cytotoxic activity and the anti-reactive oxygen species activity of the ethanol extract from tubers of the Chinese artichock (S. affinis) [27]. Regarding the cytotoxicity, the specific extract didn′t demonstrate any activity in K562, SH-SY5Y and Caco-2 cell lines, even at the highest concentrations (1.0 mg/mL). The cytotoxic activity of extracts and isolated flavonoids from the aerial parts of S. lavandulifolia were studied by Delnavazi et al. (2018) through the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay [13]. The dichloromethane extract showed the highest cytotoxic activity in brine shrimp lethality test (BSLT) (LD50 = 121.8 ± 5.6 μg/mL), while as a positive control was used podophyllotoxin (LD50 = 3.1 ± 0.6 μg/mL). Afterwards, they explored the cytotoxic activity of isolated flavonoids in three cancer cell lines (MDA-MB-231, HT-29 and MRC-5), using as reference compound tamoxifen. All the nine isolated flavonoids moderated the cytotoxicity activated on the studied cell lines. However, chrysosplenetin (84) was reported as the most active compound in the first two cell lines. In MRC-5 cell line, apigenin (1) exhibited the greatest activity. It is remarkable to point out that the specific study also mentioned the selective activity against cancer cells, reporting that chrysosplenetin (84), kumatakenin (79) and viscosine (78) exhibited higher selective toxicity against MDA-MB-231 cell line than tamoxifen. At this point, we should underlie that the great cytotoxic activity of these compounds is attributed to their substitutions with (poly)-methylated groups which increase this effect. Another study evaluated the methanol extract, the alkaloid and the terpenoid fractions of S. pilifera for their cytotoxic and antiproliferative activity in vitro (HT-29 cell line), indicating great results [45]. The terpenoid fraction was found to have the best cytotoxic activity compared to the other fractions and as reference compound was used cisplatin. Moreover, they investigated the antiproliferative activity, studying the effects on the activity of caspase-8 and caspase-9, Nuclear factor-κB (NF-κB) and Nitric Oxide (ΝO), reporting that the extract/fractions increased the activity of caspase-8/-9 and decreased NF-κB and subsequently NO level. Of note, they compared their results with previous data of cytotoxic activity in vitro of other Stachys species such as S. acerosa, S. benthamiana, S. floridana, S. lavandulifolia, S. obtusicrena, S. persica, S. pubescens and S. spectabilis. Three isolated compounds from the extract (CH2Cl2:MeOH 1:1) of the aerial parts of S. aegyptiaca were investigated for the cytotoxic activity in HepG2 cell line, using MTT assay [132]. Precisely, the IC50 values of stachaegyptin D (193), stachysolon monoacetate (178) and stachysolon diacetate (180) were 94.7, 63.4 and 59.5 μM, respectively, with stachysolone diacetate being the most active. In another study, the cytotoxic effect of the ethanol extract of S. riederi var. japonica on UVA-irradiated HDFs was evaluated at different concentrations for 48 h by MTT assay, showing no or little cytotoxicity [160]. Shakeri et al. (2019) mentioned that the methanol extract of S. parviflora demonstrated no cytotoxic activity toward the cancer cell lines, namely A2780, HCT, and B16F10 in all tested concentrations (>100 µg/mL) [64]. Moreover, the genotoxic activity of the extracts from four different plants were investigated by Slapšytė and colleagues (2019) [157]. They reported that all the plant extracts induced DNA damage, using the comet assay, whereas the extract of S. officinalis induced the increase of sister chromatid exchange value. The methanol extract of the Lebanese species S. ehrenbergii was investigated for its antioxidant and cytotoxic activity [154]. The cytotoxicity was examined by MTT assay where the methanol extract showed the highest cytotoxicity (IC50 = 420 ± 104 μg/mL) at a concentration of 3000 mg/mL.

5.3. Polycystic Ovary Syndrome (PCOS)

In Iran, S. sylvatica is used for the treatment of women with polycystic ovary syndrome (PCOS). A current study carried out by Alizadeh et al. (2020) evaluated the hydroalcoholic extract of this plant in a rat model of PCOS [47]. It was observed that the extract at the dose of 500 mg/kg increased gonadotropins FSH and LH (5.95 ± 0.02 mIU/mL; 6.48 ± 0.09 mIU/mL) and reduced the level of estrogen (0.9 ± 0.07 mIU/mL) compared to the PCOS group (FSH level: 1.69 ± 0.08 mIU/mL; LH level: 6.29 ± 0.04 mIU/mL; estrogen level: 1.42 ± 0.05 mIU/mL), causing the ratio of LH/FSH to be close to 1:1 (6.48/5.59). According to the literature, this ratio LH/FSH is almost 1:1 in normal cases, while in PCOS women is higher e.g., 2:1 or 3:1. They also mentioned that these great results of the extract of S. sylvatica could be correlated to the flavonoid content of the plant. Previous studies showed that flavonoids could decrease the level of estrogen and could also act as GABA receptor agonists, regulating gonadotropins. Given that women with PCOS showed high concentrations of inflammation factors, they assumed that the extract could act as anti-inflammatory and antioxidant agent as flavonoids and iridoids demonstrated antioxidant and anti-inflammatory properties.

5.4. Anticholinesterase and Anti-Alzheimer’s Activity/Neuroprotective Activity

The aqueous extract from the tubers of S. sieboldii (“chorogi”) was studied in vivo in mice model for its neuroprotective potential [152]. Specifically, the study examined the effects of chorogi’s extract on celebral ischemia and scopolamine-induced memory impairment, using as positive control the extract of Gingko biloba, proving that S. sieboldii improves the learning and memory dysfunction correlated with ischemic brain injury. Another work examined the cholinesterase inhibitory activity of S. lavandulifolia extracts and isolated compounds [116]. Specifically, the most active extract against anticholinesterase (AChE) was the n-hexane extract with an IC50 value of 13.7 μg/mL. However, the dichloromethane extract was the most effective against butyrylcholinesterase (BChE) (IC50 = 143.9 μg/mL) where its major constituent, stachysolone (177), inhibited the activity of this enzyme with a percentage of inhibition of 50% at 0.06 mg/mL. Among the studied polar extracts, the methanol extract exhibited a selective inhibitory activity against AChE with an IC50 value of 211.4 μg/mL and the isolated compounds, arbutin (107) and 5-allosyloxy-aucubin (167), showed a percentage of inhibition of 50 and 23.1% at 0.06 mg/mL, respectively, against AChE. Notably, the other constituents of this species were inactive at the maximum concentration tested of 0.25 mg/mL. Ferhat et al. (2016) examined the AChE activity of n-butanol, the ethyl acetate and the chloroform extracts of the aerial parts of S. guyoniana, demonstrating that the n-butanol extract (IC50 = 5.78 ± 0.01 μg/mL) was a little less active than the used standard drug against Altzheimer’s disease; galantamine (IC50 = 5.01 ± 0.10 μg/mL). Furthermore, they exhibited that this extract inhibited the BChE, having an IC50 value of 39.1 ± 1.41 μg/mL which was better than the standard (IC50 = 39.10 ± 1.41 μg/mL) [155]. Moreover, the anti-Alzheimer’s activity of two subspecies of S. cretica (S. cretica subsp. smyrnaea; S. cretica subsp. mersinaea) were evaluated in different works [81,108]. In addition, the potential effects of 20% ethanol extract of S. sieboldii was evaluated against oxidative stress induced by H2O2 in SK-N-SH cells and memory enhancement in ICR mice [162]. This study showed that the daily intake of the extract (dose: 500 mg/kg) through dietary supplementation produced memory enhancing effects in animals. Recently, Ertas and Yener (2020) reported that the acetone extract of S. thirkei demonstrated good activity against AChE and BChE with a percentage of inhibition of 52.46 ± 1.26% and 75.04 ± 1.91%, respectively [84].

5.5. Anti-tyrosinase Activity

The anti-tyrosinase activity of the ethanol and methanol Soxhlet apparatus extracts of the aerial parts of S. lavandulifolia exhibited the best activity with IC50 values of 33.4 ± 0.8 and 42.8 ± 1.1 μg/mL [116]. They underlay that the specific extracts were characterized by the phenolic compounds, acteoside (118) and arbutin (107), which are recognised as tyosinase inhibitors. Moreover, they evaluated the anti-tyrosinase activity of the isolated iridoids among which monomelittoside (165) and melittoside (166) showed IC50 values of 119.6 ± 2.2 and 163.1 ± 3.1 μg/mL respectively, while 5-allosyloxy-aucubin (167) inhibited the enzyme with a percentage of 22.4% at a concentration of 200 μg/mL. In addition, current works investigated the anti-tyrosinase activity of three subspecies of S. cretica (S. cretica subsp. smyrnaea; S. cretica subsp. mersinaea; S. cretica subsp. vacillans), reporting that the ethyl actetate extract was the most effective in the first two susbspecies (2.45 mg KAEs/g; 16 mg KAEs/g, respectively) [81,108]. Though, the methanol extract of S. cretica subsp. vacillans had the higher activity against tyrosinase (314.04 ± 2.05 mg KAE/g extract) [112].

5.6. Anti-diabetic Activity

Bahadori et al. (2018) evaluated the anti-diabetic activity of the extracts of S. cretica subsp. smyrnaea [81]. Specifically, the methanol extract demonstrated strong anti-diabetic activity against α-amylase (61.4 mg ACEs/g dry plant) and α-glucosidase (47.8 mg ACEs/g dry plant), following by ethyl acetate extract. They assumed that the above good properties were attributed to the phenolic constituents of the methanol extract since the anti-glucosidase activity is associated with caffeic acid, trans-cinnamic acid, and vanillin, whereas the amylase inhibitory activity is related to kaempferol and p-hydroxybenzoic acid. A year later, the anti-diabetic activity of the extracts of S. cretica subsp. mersinaea was studied, reporting that the ethyl acetate extract had best activity against α-amylase (396.50 mgACEs/g), while the methanol extract exerted strong activity against α-glucosidase (734 mg ACEs/g) [108]. Furthermore, the α-amylase inhibition of the methanol and water extract of S. cretica subsp. vacillans was evaluated, with the methanol extract exhibited stronger activity (433.99 ± 5.10 mg ACE/g extract) [112]. Currently, Pritsas et al. (2020) studied the anti-diabetic activity in silico of 17 isolated compounds from the cultivated S. iva, mentioning that stachysetin (98) interacted with five out of ten proteins implicated in diabetes [56]. This is the only study reported a pharmacological activity of this rare compound.

5.7. Antimicrobial Activity

Regarding the antibacterial activity, the n-butanol extract of S. guyoniana showed strong activity against Staphylococcus aureus (MIC = 32 ± 0.90 μg/mL) and Enterobacter aerogenes (MIC = 32 ± 0.70 μg/mL), while it was not active against Pseudomonas aeruginosa and Morganella morganii [155]. The ethyl acetate extract demonstrated the best inhibition against Escherichia coli (MIC = 64 ± 0.60 μg/mL), whereas it didn′t show any activity against P. aeruginosa and M. morganii. Shakeri et al. (2019) reported the antimicrobial activity of the methanol extract of the aerial parts of S. parviflora which exerted the highest activity against the Gram-positive bacterium, Bacillus cereus, with a MIC of 0.12 mg/mL [64]. Furthermore, the antimicrobial activity of extracts of S. thirkei against different microorganisms were studied according to inhibition zone diameter and MIC value [84]. The acetone and methanol extract demonstrated good activity against S. aureus, Streptococcus pyogenes and E. coli. Intriguingly, S. thirkeis′ extracts were not active against P. aeruginosa (Gram-negative bacterium) and Candida albicans (yeast).

5.8. Hepatoprotective

The hepatoprotective property of the ethanol extract of S. pilifera was studied in carbon tetrachloride (CCl4)-induced hepatotoxicity in rats and indicated that this extract could act as hepatoprotective agent [158]. They assumed that this property might be also related to the strong antioxidant activity of the species. Later, Mansourian et al. (2019) exhibited the hepatoprotective and antioxidant activity of hydroalcoholic extract of S. pilifera on hepatotoxicity induced by acetaminophen (APAP) in male rats [159]. Precisely, the extract reduced hepatotoxicity by decreasing liver function markers/enzymes, aspartate aminotransferase (AST) and alanine aminotransferase (ALT) and protein carbonyl (PCO) compared to the APAP group. It also diminished the oxidative stress through inhibiting protein oxidation and inducing the activity of glutathione peroxidase (GPX) enzyme. So, they assumed that this great activity was attributed to the antioxidant activity of this plant.

5.9. Others

Ruiu et al. (2015) investigated the phytochemical profile of the dichloromethane extract of S. glutinosa and studied the binding affinity to μ and δ opioid receptors (MOR and DOR) [107]. The extract showed an interesting binding affinity for MOR (Ki values of 10.3 μg/mL) and DOR (Ki values of 9.0 μg/mL), while xanthomicrol (69) demonstrated the strongest opioid binding affinity to both opioid receptors (Ki for MOR = 0.83 μM, Ki for DOR = 3.6 μM) with the highest MOR selectivity with a ratio Ki (DOR)/Ki (MOR) = 4.4. Notably, they reported that the existence of a further hydroxy group at the 3′ position like in sideritoflavone (70) reduced the binding affinity for MOR (Ki = 18.5 μM), whereas the replacement of this group with a methoxy moiety, as in 8-methoxycirsilineol (71), eliminated the affinity for MOR (Ki > 50 μM). Furthermore, they evaluated the antinociceptive activity of xanthomicrol in an animal model (in mice) of acute pain (tail-flick test). In another study, the n-butanol extract of S. mialhesii exhibited significant anti-inflammatory activity in vivo, reducing the weight of edema: 52.03% induced by carrageenan in the rat’s paw, whereas indomethacin (dose: 5 mg/kg; decrease 83.36%) was used as a reference drug [103]. In the same study, the n-butanol extract exerted antinociceptive effect at dose-dependent manner. Ramazanov et al. (2016) evaluated the wound healing activity of the extract of S. hissarica on rats, showing that the extract improved the healing process of linear skin wounds at an oral dose of 10 mg/kg [67]. Of note, the wound healing activity of the extract was more effective than the known drug methyluracil (2,4-dioxo-6-methyl-1,2,3,4- tetrahydropyrimidine), especially in case of alloxan induced diabetic animals. A study carried out by Iannuzzi et al. (2019) studied the antiangiogenic activity in two in vivo models (zebrafish embryos and chick chorioallantoic membrane assays) of the isolated compounds of the leaf extract of S. ocymastrum. The isolated compounds with the best antiangiogenic activity in both assays were β-hydroxyipolamiide (173) and ipolamiide (174) [123]. Recently, Lee et al. (2020) studied the anti-obesity and anti-dyslipidemic property of the roots powder of S. sieboldii in rats, following a high-fat and high-cholesterol diet (HFC) [161]. This powder demonstrated the anti-adipogenic and lipid-lowering effects through enhancing lipid metabolism.
Taken together all the above pharmacological studies, we could observe that these findings confirmed most of the traditional medicinal uses of Stachys spp. However, the present review unveiled that there are still species pharmacologically uncharted.

6. Clinical Studies

Through our literature survey, four clinical studies for the species S. lavandulifolia were revealed. The first clinical study carried out by Rahzani et al. (2013) reported the effects of the aqueous extract of the specific plant (dose; infusion from 3 g aerial parts of plant, twice daily) on the oxidative stress in 26 healthy humans, underlying that the participants demonstrated a significant reduction in oxidative stress [163]. In parallel, another randomized clinical trial (33 women) examined the effects of S. lavandulifolia and medroxyprogesterone acetate (MPA) in abnormal uterine bleeding (AUB) in PCOS [164]. This study exemplified that the infusion of the aerial parts of wood betony (dose; 5 g of plant in 100 mL boiling water; duration 3 months) showed a reduction of AUB, recommending its consumption for the treatment of AUB related to PCOS. They also mentioned that this result might be attributed to the flavonoid content of the plant and mainly to apigenin. In addition, Monji et al. (2018) evaluated on a clinical trial the therapeutic effects of standardized formulation of S. lavandulifolia on primary dysmenorrhea, indicating that the standardized capsules of plant’s extract could diminuish the menstrual pain, and might be recommended as an auxiliary therapy or an alternative remedy to nonsteroidal antiinflammatory drugs (NSAIDs) with fewer side effects in primary dysmenorrhea [165]. Recently, a double-blind randomized clinical study mentioned the analgesic activity of the herbal tea of S. lavandulifolia (10 g in 200 cc of boiling water) in 50 patients with migraine [166], showing the capability of this herbal tisane to decrease and also improve the pain intensity in these patients. In addition, Ashtiani et al. (2019) considered that the therapeutic properties of this plant associated with its rich phytochemical profile which include iridoids, flavonoids and phenylethanoid glucosides [166].
To sum up, the above clinical studies confirm the ethnomedicinal uses of S. lavandulifolia as a traditional medicine. Although these promising results, more clinical studies should be performed for obtaining data for diverse Stachys spp. As a future prospective, further studies should strengthen the research of bioavailability, dosage, toxicity and potential drug interactions in order to endorse the observed pharmacological activities of these plants.

7. Toxicity

S. lavandulifolia is popularly claimed as an abortifacient agent by Iranian women. The effect of its hydroalcoholic extract on fertility was investigated, revealing that the extract had a dose dependent abortifacient activity. Thus, its use during pregnancy may cause abortion and consequently, the plant should be considered as contraindicated or be used with caution [167]. In addition, the nephrotoxicity of the same extract was studied on male Wistar rats and a mild degeneration of renal tubular epithelial cell after one month was observed, while in the second month the histologic lesions were significantly more. However, further studies need to evaluate renal complications of this plant in human [168]. Moreover, the acute and subchronic toxicological evaluation of S. lavandulifolia aqueous extract in rats indicated that the high dose (2 g/kg) did not produce any symptoms of toxicity and there was no significant difference in body weights between the control and treatment groups of the animals [169].

8. Conclusions

In the present review, we attempted to describe in detail all the current knowledge and research advances of genus Stachys, focusing on pointing the significance of this genus as herbal supplement and medicine.
Taken together with all the analyzed studies in the current review, we categorized the used literature data into four categories according to their general characteristics; ethnobotanical (no of used studies: 48), phytochemical (no of used studies: 91), pharmacological (no of in vitro studies: 22, no of in vivo studies: 8 and 2 in silico study), clinical studies (no of used studies: 4) and reviews (no of used studies: 4). The general characteristics of the analyzed studies in the current review are showed in Table 31.
Several Stachys spp. have been used as traditional herbal medicines for thousands of years. Therefore, accumulating studies have been performed in order to explore the chemical compounds and the pharmacological properties of these species to validate their claimed ethnomedicinal properties. However, the present review data shows that there are still species phytochemically and pharmacologically unexplored. This comprehensive survey could serve as useful tool for scientists searching uncharted and interesting species to study, as well as it could be an informative guide for researchers aimed to identify leads for developing novel drugs. Although many pharmacological studies have demonstrated the great properties of these plants, only the clinical effects of one species have been investigated. As a result, further studies should be performed to validate the clinical efficiency of several Stachys spp. and if there is any potential toxicity. To be mentioned that there are still yet much to be done on the detailed documentation (safety and efficacy data) of genus Stachys in order to be developed an official monograph as a traditional use or well-established use plants.

Author Contributions

Conceptualization and supervision: H.S.; writing—original draft preparation: E.-M.T. & C.B.; writing—review and editing: all authors. All authors have read and agreed to the published version of the manuscript.


This research received no external funding.

Conflicts of Interest

The authors declare no conflict of interest.


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Table 1. Stachys species with reported traditional medicinal uses.
Table 1. Stachys species with reported traditional medicinal uses.
SpeciesGeographical Origin of the Reported Traditional UseTraditional Medicinal UsePreparation and/or Administration/
Parts of the Plant
S. acerosa Boiss.IranCommon coldDecoction [31]
S. affinis Bunge (=S. sieboldii Miq.)ChinaInfections, colds, heart
diseases, tuberculosis, pneumonia
Edible food (tubers)[27,28]
ChinaCommon cold, heart diseases, for pain relief, as antioxidant, to treat ischemic brain injury, dementia, various gastrointestinal related diseases-[29]
S. annua (L.) LItalyHeadacheInfusion of leaves; also, external use to wash face [51]
S. annua (L.) L subsp. annuaItalyAnti-catarrhal, febrifuge, tonic, vulnerary, against evil eyeAerial parts[52]
S. arvensis (L.) L.-Against evil eye-[55]
S. balansae Boiss. & Kotschy-Hypotonic diseases, cardiac neurosesLiquid and alcoholic extracts[23]
S. byzantina K. Koch. -Anti-inflammatory, antitumor, anticancer, antispasmodic, sedative and diuretic agent,
and in the treatment of digestive disorders, wounds,
infections, asthma, rheumatic and inflammatory disorders, dysentery, epilepsy, common cold and neuropathy
IranInfected wounds, cuttingDecoction,
BrazilAntiinflammatoryInfusion of leaves[60]
S. cretica subsp. anatolica Rech. f.TurkeyColds, stomach ailmentsInfusion, decoction, internal[49]
S. cretica L. subsp. mersinaea (Boiss.) Rech. f.TurkeyColds, stomach ailmentsInfusion, decoction, internal[49]
S. fruticulosa M. Bieb.IranAnti- inflammatoryAerial parts[32]
S. geobombycis C.Y.WuChina, Japan and EuropeTonic-[22]
S. germanica L.IranGastrodynia, for painful menstruationInfusion of flowers[34]
-Skin disorders (Veterinary use)-[55]
S. glutinosa L.-As antispasmoic and against chicken louse-[55]
S. iberica subsp. georgica Rech. f.TurkeyColds, antipyreticDecoction, internal[49]
S. iberica subsp. stenostachya (Boiss.) Rech. f.TurkeyColds, antipyretic, stomach acheDecoction, internal[49]
S. inflata Benth.IranInfections, asthmatic, rheumatic, inflammatory disordersExtracts of aerial parts (non flowering stems)[36,37]
IranCommon cold, Analgesic, high
blood pressure
Decoction of aerial parts[31]
S. iva Griseb.GreeceCommon cold and gastrointestinal disordersDecoction, infusion[56]
S. kurdica Boiss & Hohen var. kurdicaTurkeyCold, stomach-acheDecoction of branches/flowers
Drink one glass of the plant on an empty stomach in the morning
S. lavandulifolia Vahl. IranTreat pain and inflammationBoiled extracts of the aerial parts[12]
IranSedative, gastrotonic and spasmolytic properties, treatment of some gastrointestinal disorders, colds and fluHerbal tea of flowering aerial parts[13]
IranHeadache, renal calculus
common cold, sedative
flavoring agent, abdominal pain
Decoction of aerial parts,
Food additive (aerial parts)
TurkeyAntipyretic, coughDecoction, internal[49]
IranPainful and inflammatory disordersBoiled extracts of aerial parts[41]
IranAnxiolytic influence Herbal tea[38,39,40,41,42,43,44]
S. mucronata Sieb.GreeceAntirheumatic and antineuralgic remedyDecoction for massage[57]
For wounds and ulcersWashed with the decoction and covered with a poultice of fresh leaves for cicatrization
Antidiarrhoic agentInfusion of fresh leaves
PugativeInfusion of roots
S. obliqua Waldst. & Kit. TurkeyCold, stomach ailments, fever and coughHerb, infusion, decoction[22]
S. officinalis (L.) Trevisan (=S. betonica Benth.; Betonica officinalis L.)Serbia, Egypt, MontenegroSkin disorders, antibacterial purposes, against headache, nervous tension, anxiety, menopausal problems, as a tobacco snuffTea of dried leaves[22]
ItalyDye wool yellowPlant[51]
in the sores of pack animals
Oily extract of flowers[54]
S. palustris L.-Disinfectant, anti-spasmodic and for treatment of wounds-[17,61]
PolandWounds, additive in food-[58]
-Antiseptic, to relieve gout, to stop haemorrhage-[62]
S. parviflora Benth. (=Phlomidoschema
parviflorum (Benth.) Vved.)
-Cramps, arthralgia, epilepsy, falling sickness, dracunculiasis-[63,64]
S. pilifera Benth.IranToothache, edible, tonic,
analgesic, edema, expectorant,
Decoction of aerial parts[31]
IranAsthma, rheumatoid arthritis and infections-[45]
S. pumila Banks & Sol.AnatoliaAntibacterial and healing effectsTea of the whole part[21]
AnatoliaSedative, antispasmodic, diuretic and emmenagogic propertiesTea of the leaves[21]
-Bronchitis, asthma, stomach pain and gall and liver disorders-[65]
S. recta L.EuropeAnxiolytic propertiesHerbal tea, Oral administration[11]
ItalyHeadacheInfusion of leaves to wash face[51]
ItalyBad influence/spiritDecoction[53]
ItalyDepurativeDecoction of the aerial parts[54]
S. recta L. subsp. rectaItalyTootache and other painAerial parts applied in body parts [53]
against anxiety, pain and toothacheDecoction of flowering tops for bath or to wash face, hands and wrists for 3 days
S. schtschegleevii Sosn. ex Grossh.IranAntiinflamatory Aerial parts[32,34]
IranInfectious diseases of the respiratoy tract (for colds and sinusitis), for asthma, rheumatism and other inflammatory disorders-[46]
S. sieboldii Miq. (=S. affinis Bunge)ChinaCold and against infections, promoting blood circulationDried whole plant[30]
S. sylvatica L. -Disinfectant, anti-spasmodic and for treatment of wounds-[17]
IranDiuretic, digestive, emmenagogue, antispasmodic, anti-inflammatory, sedative, tonic properties and for the treatment of women with PCOS-[47]
TurkeyCardiac disordersInfusion of aerial parts[48]
S. tibetica VatkeIndiaFor fever, cough, phobias and
various mental disorder
Whole plant is boiled and made into a decoction. Drink one teacup decoction twice a day to treat fever for 5–7 days[66]
S. turcomanica Trautv.IranFoot inflammation, toothache, bronchitis and
common cold
Infusion, Demulcent, Vapor
(Whole plant)
Table 2. Flavones isolated from Stachys spp.
Table 2. Flavones isolated from Stachys spp.
SpeciesPlant PartsCompoundRef
Subgenus Stachys
Section Ambleia
S. aegyptiaca Pers.Aerial partsApigenin (1),
Apigenin 7-O-β-D-glucoside (cosmoside) (2),
Apigenin 7-O-[6′″-O-acetyl]-allosyl-(1→2)-β-D-glucoside (3),
Apigenin 6,8-di-C-glucoside (Vicenin-2) (10),
Isoscutellarein 7-O-allosyl-(1→2)-β-D-glucoside (13),
Isoscutellarein-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucoside (15),
Luteolin (34),
Luteolin-7-O-[6′″-O-acetyl]-allosyl]-(1→2)-β-D-glucoside (39),
6,8 Di-C-β-D-glucopyranosyl luteolin (Lucenin-2) (40),
Chrysoeriol (42)
Chrysoeriol 7-O-β-D-glucoside (43),
Hypolaetin 7-O-[6′″-O-acetyl]-allosyl-(1→2)-[3″-O-acetyl]- β-D-glucoside (54),
Apigenin 7-O-diglucoside (not determined),
Luteolin 7-O-diglucoside (not determined)
Aerial partsApigenin-7-(3″-E-p-coumaroyl)-β-D-glucoside (4),
Apigenin 7-(6″-p-coumaroyl)-β-D-glucoside (6)
Aerial partsIsoscutellarein (11),
3′,4′-Dimethyl-luteolin-7-O-β-D-glucoside (41)
Isoscutellarein 8-O-(6″-trans-p-coumaroyl)-β-D-glucoside (18)[71]
S. inflata Beth. Scutellarein 7-O-β-D-mannopyranosyl-(1→2)-β-D-glucoside (stachyflaside) (31)[72]
Isoscutellarein (11), 4′-Μethyl-isoscutellarein (12), Scutellarein (29)[73]
S. schtschegleevii Sosn. ex Grossh.StemsApigenin 7-O-β-D-glucoside (2),
Apigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6),
3′-Hydroxy-isoscutellarein-7-O-[6′″-O-acetyl]-β-D-glucopyranoside (14),
Chrysoeriol 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (47)
Section Campanistrum
S. arvensis (L.) L.Aerial parts #8-Hydroxyflavone-allosylglucosides (not determined)[75]
S. ocymastrum (L.) Briq. (= S. hirta L.)Aerial parts #8-Hydroxyflavone-allosylglucosides (not determined)[75]
Aerial partsApigenin (1),
Apigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6),
Isoscutellarein 7-O-allosyl-(1→2)- glucopyranoside (13),
Luteolin (34)
Section Candida
S. candida Bory & ChaubardAerial partsChrysoeriol (42), Chrysoeriol 7-(3″-E-p-coumaroyl)-β-D-glucopyranoside (46)[77]
Aerial partsApigenin 7-O-β-D- glucopyranoside (2),
Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
Isoscutellarein 7-O-[6′″-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]- glucopyranoside (17),
4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21),
Chrysoeriol 7-O-β-D- glucopyranoside (43),
Chrysoeriol 7-(3″-E-p-coumaroyl)-β-D-glucopyranoside (46),
4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)
S. chrysantha Boiss. and Heldr.Aerial partsIsoscutellarein 7-O-[6′″-O-acetyl]-allosyl(1→2)-[6″-O-acetyl]-glucoside (17), Luteolin 7-O-β-D-glucoside (37), Chrysoeriol (42), Chrysoeriol 7-O-β-D- glucopyranoside (43), Chrysoeriol 7-(3″-E-p-coumaroyl)-β-D-glucopyranoside (46)[77]
S. iva Griseb.Flowering aerial partsApigenin (1), Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-[6″-O-acetyl]-β-D-glucopyranoside (17),
4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21),
4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)
Section Corsica
S. corsica Pers. Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21)
Section Eriostomum
S. alpina L.Aerial parts #8-Hydroxyflavone-allosylglucosides (not determined)[75]
Leaves #Hypolaetin 7-O-acetyl-allosyl-(1→2)-glucoside (not determined), Isoscutellarein-7-O-acetyl-allosyl-glucoside (not determined), Hypolaetin-4′-methyl- 7-O- acetyl-allosyl-glucoside (not determined)[5]
S. byzantina K. Koch. Aerial partsApigenin (1), Apigenin 7-O-β-glucoside (2), Apigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6)[33]
Aerial partsApigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6),
Isoscutellarein 7-O-β-D-allopyranosyl-(1→2)-[6″-O-acetyl]-β-D-glucopyranoside (16),
4′-Methyl-isoscutellarein-7-O-β-D-allopyranosyl-(1→2)-[6″-O-acetyl]-β-D-glucopyranoside (20)
S. cretica subsp. smyrnaea Rech. f.Aerial parts #Apigenin (1)[81]
S. germanica L.Aerial parts #Hypolaetin 7-allosyl-(1→2)-glucoside monoacetyl, Isoscutellarein 7-allosyl-(1→2)-glucoside monoacetyl, Hypolaetin 7-allosyl-(1→2)-glucoside diacetyl, Isoscutellarein-7-allosyl-(1→2)-glucoside diacetyl(not determined)[75]
Leaves #Apigenin 7-O-glucoside (2), Chrysoeriol 7-O-acetyl-allosyl-glucoside (not determined), 4′-Methyl-hypolaetin 7-O-acetyl-allosyl-(1→2)-glucoside (not determined), Apigenin 7-O-p-coumaroyl-glucoside (not determined)[5]
S. heraclea All. Aerial parts #8-Hydroxyflavone-allosylglucosides (not determined)[75]
S. lanata Crantz. (=S. germanica L. subsp. germanica)Aerial partsApigenin 7-O-β-D-glucopyranoside (2), Apigenin 7-(3″-Z-p-coumaroyl)-β-D-glucopyranoside (5), Apigenin 7-(6″-Z-p-coumaroyl)-β-D-glucopyranoside (7),
Apigenin 7-O-(3′′,6′′-di-O-E-p-coumaroyl)-β-D-glucopyranoside (Anisofolin A) (8),
Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
Isoscutellarein 4′-methyl ether 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21), 4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)
S. spectabilis Choisy ex DC.Epigeal partsIsostachyflaside (25),
Spectabiflaside (28), Scutellarein 7-O-β-D-mannopyranosyl-(1→2)-β-D-glucopyranoside (stachyflaside) (31)
S. thirkei K. Koch.Whole plant #Apigenin (1)[84]
S. tmolea Boiss.Aerial parts #Apigenin (1), Apigenin-7-O-glucoside (2)[85]
S. tymphaea Hausskn. (=S. germanica subsp. tymphaea (Hausskn.) R. Bhattacharjee)Flowering aerial partsIsoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21),
4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]- allopyranosyl -(1→2)-[6″-O-acetyl]-glucopyranoside (58)
Section Fragilicaulis
S. subnuda Montbret & Aucher ex BenthAerial partsΙsoscutellarein 7-O-allosyl-(1→2)-glucoside # (13), Isoscutellarein 7-O-[6″′-O-acetyl]-allosyl-(1→2)-glucoside (15), 4′-Methyl-isoscutellarein-7-O-β-D-allopyranosyl-(1→2)-β-D-glucoside # (19), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucoside (21), 4′-Methyl-isoscutellarein-7-O-[6′″-O-acetyl]-allosyl(1→2)-[6″-O-acetyl]-glucoside # (24)[87]
Section Olisia
S. atherocalyx C. Koch Stachyflaside (31)[72]
Diacetylstachyflaside (not determined), Diacetylspectabiflaside (not determined), Spectabiflaside (28)[88]
5,8,4′-Trihydroxy-3′-methoxy-7-O-(β-D-glucopyranosyl-2″-O-β-D-mannopyranosyl)-flavone (Spectabiflaside) (28), Acetyl-sectabiflaside (not determined),[89]
Acetyl-isostachyflaside (26), Di-acetyl-isostachyflaside (27),
Spectabiflaside (28)
Leaves #Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21),
4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)
S. angustifolia M. Bieb. Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21)[92]
S. annua (L.) L.Epigeal parts4′-Methyl-isoscutellarein (12), 7-O-β-D-glucopyranosyl-
5,6-dihydroxy-4′-methoxyflavone (Stachannin A) (32),
4′-Methoxy-scutellarein-7-[O-β-D-mannopyranosyl-(1→2)-β-D-glucopyranoside] (Stachannoside B) (33)
Leaves #Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
4′-Methyl-isoscutellarein-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21),
4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)
Aerial parts4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21)[94]
Aerial parts4′-O-Methyl-isoscutellarein-7-O-[4′″-O-acetyl]allopyranosyl-(1→2)-
glucopyranoside (Annuoside) (23)
Subterranean organs4′-O-Methyl-isoscutellarein (12), 4′-O-Methyl-isoscutellarein
7-O-(6′″-O-acetyl)allopyranosyl-(1→2)-glucopyranoside (21)
S.annua (L.) L. subsp. annuaFlowering aerial parts4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21), Hypolaetin 7-O-[6′″-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glucopyranoside (53),
4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)
S. beckeana Dörfler & HayekLeaves #Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (21), 4′-Methyl-hypolaetin-7-O-[6′″-O acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)[92]
S. bombycina Boiss.Aerial partsApigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6), Stachyspinoside (44)[96]
S. parolinii Vis.Leaves #Isoscutellarein 7-O-[6′″-O-acetyl]-β- D-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)[92]
S. leucoglossa Griseb.Leaves #Isoscutellarein 7-O-[6′″-O-acetyl]-allosyl(1→2)-[6″-O-acetyl]-glucoside (17), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21), 4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56) [92]
S. neglecta Klok. ex Kossko (=S. annua (L.) L.) Apigenin (1),
Apigenin 7-O-β-D-glucoside (2), Luteolin (34), Luteolin 7-O-β-D-glucoside (37)
S. recta L.Leaves Isoscutellarein 7-O-[6′″-O-acetyl]-allosyl(1→2)-[6″-O-acetyl]-glucoside (17), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]- allosyl](1→2)-β-D-glucoside (21), 4′-Methyl-hypolaetin 7-O-[6′″-O-acetyl]-β-D-allosyl(1→2)-β-D-glucoside (56)[91,92]
Aerial partsApigenin 7-(3″-E-p-coumaroyl)-β-D-glucopyranoside (4), Apigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6), Isoscutellarein 7-O-[allosyl(1→2)]-
glucopyranoside (13), Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allosyl-(1→2)-β-D-glucopyranoside (15), Isoscutellarein 7-O-[6′″-O-acetyl]-allosyl(1→2)-[6″-O-acetyl]- glucopyranoside (17),
4′-Methylisoscutellarein 7-
glucopyranoside (19),
4′-Methyl-isoscutellarein 7-O-β-D-[6″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (20), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]- allosyl-(1→2)-β-D-glucopyranoside (21), 4′-Methyl-isoscutellarein 7-O-[6′″-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glucoside (24), Hypolaetin 7-O-allosyl-(1→2)-glucopyranoside # (50), 4′-Methyl-hypolaetin 7-O-allosyl(1→2)-glucoside # (55), 4′-Methyl-hypolaetin-7-O-[6″-O-acetyl]-allosyl-(1→2)- glucopyranoside (57),
4′-Methyl-hypolaetin 7-O-[6′″-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]- glucopyranoside (58)
S. labiosa Bertol. (=S. recta subsp. labiosa (Bertol.) Briq.)LeavesIsoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21), 4′-Methyl-hypolaetin-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (56)[92]
S. subcrenata Vis.(=S. recta L. subsp. subcrenata (Vis.) Briq.)LeavesIsoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21), 4′-Methyl-hypolaetin-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (56)[92]
S. baldaccii (Maly) Hand.—Mazz. (=S. recta L. subsp. baldaccii (K. Maly) Hayek)Leaves #Isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl]-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein-7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21)[92]
S. spinosa L.Aerial partsChrysoeriol 7-O-[6′″-O-acetyl-allosyl]-(1→2)-glucoside (Stachyspinoside) (44)[98]
Aerial partsChrysoeriol 7-O-[6′′-O-acetyl-allosyl]-(1→2)-glucoside (Isostachyspinoside) (45)[99]
S. tetragona Boiss. & HayekLeaves #Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allopyranosyl-(1→2)-β-D-glucopyranoside (21) [92]
Aerial partsIsoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
Isoscutellarein 7-O-[6′″-O-acetyl]- β-D-allosyl-(1→2)-[6″-O-acetyl]-β-D glucopyranoside (17)
Section Swainsoniana
S. anisochila Vis. & PancicLeavesIsoscutellarein 7-O-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (13),
Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15),
Isoscutellarein 7-O-[6′″-O-acetyl]- β-D-allosyl-(1→2)-[6″-O-acetyl]-β-D-glucopyranoside (17), 4′-Methyl-isoscutellarein-7-O-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (19),
Hypolaetin 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (51),
Hypolaetin 7-O-[6′″-O-acetyl]- β-D-allopyranosyl-(1→2)-[6″-O-acetyl]-β-D glucopyranoside (53), 4′-Methyl-hypolaetin-7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56),
4′-Methyl-hypolaetin 7-O-[6′″-O-acetyl]-β-D-allosyl-(1→2)-[6″-O-acetyl]-β-D glucopyranoside (58)
LeavesApigenin 7-O-(p-coumaroyl)-β-D-glucopyranoside (not determined)[5]
S. decumbens Pers. (=S. mollissima Willd.)Aerial parts #8-Hydroxyflavone-allosylglucosides (not determined)[75]
S. menthifolia Vis. (=S. grandiflora Host.)Leaves #Isoscutellarein 7-O-β-D-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein-7-O-β-D-[6′″-O-acetyl]-β-D allopyranosyl-(1→2)-β-D-glucopyranoside (21)[92]
S. swainsonii Benth. subsp. swainsoniiAerial partsApigenin (1), Apigenin 7-O-β-D-glucopyranoside (2), Apigenin 7-O-β-D-glucoside (2), Luteolin 7-O-β-D-glucopyranoside (37), Chrysoeriol (42), Chrysoeriol 7-O-β-D-glucopyranoside (43), Stachyspinoside (44)[102]
S. swainsonii subsp. argolica (Boiss.) Phitos and DamboldtAerial partsApigenin (1), Luteolin 7-O-β-D-glucopyranoside (37), Chrysoeriol (42), Chrysoeriol-7-O-β-D-glucopyranoside (43), Chrysoeriol 7-(3″-E-p-coumaroyl)-β-D-glucopyranoside (46)[102]
S. swainsonii subsp. melangavica D. PerssonAerial partsApigenin (1), Apigenin 7-O-β-D- glucopyranoside (2), Luteolin 7-O-β-D-glucopyranoside (37), Chrysoeriol-7-O-β-D-glucopyranoside (43), Stachyspinoside (44)[102]
S. swainsonii subsp. scyronica (Boiss.) Phitos and DamboldtAerial partsApigenin (1), Apigenin 7-O-β-D- glucopyranoside (2), Luteolin 7-O-β-D-glucopyranoside (37), Chrysoeriol-7-O-β-D-glucopyranoside (43), Stachyspinoside (44)[102]
S. ionica HalácsyAerial partsApigenin (1), Apigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6), Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15), 4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (21)[20]
Section Stachys
S. sieboldii Miq. (=S. affinis Bunge)Aerial partsIsoscutellarein 7-O-[6′″-O-acetyl]-β-D-allosyl]-(1→2)-β-D-glucoside (15), 4′-Methyl-isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucoside (21) [20]
S. mialhesii NoéAerial partsApigenin 7-(6″-E-p-coumaroyl)-β-D-glucopyranoside (6), Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (15)[103]
S. palustris L. 5-(glycuroglucosyl)-7-methoxybaicalein (Palustrin) (63), 5-(glucuronosyl)-7-methoxybaicalein (Palustrinoside) (64)[104]
Leaves #Vicenin-2 (10), Apigenin 7-O-p-coumaroyl-β-D-glucopyranoside (not determined)[5]
S. sylvatica L.Aerial parts #8-Hydroxyflavone-allosyl-glucosides (not determined)[75]
Leaves #Chrysoeriol 7-O-acetylallosylglucoside (not determined), Apigenin 7-O-p-coumaroyl-β-D-glucopyranoside (not determined)[5]
S. plumosa Griseb.Leaves #Apigenin-7-O-β-D-glucoside (2), Luteolin 7-O-β-D-glucoside (37), Chrysoeriol 7-O-acetyl-allosyl-glucoside (not determined), Isoscutellarein 7-O-acetyl-allosyl-glucoside (not determined), Apigenin 7-O-p-coumaroyl-β-D-glucopyranoside (not determined)[5]
Section Zietenia
S. lavandulifolia Vahl.Aerial partsApigenin (1), Hydroxygenkwanin (Luteolin 7-Methyl ether) (35), Chrysoeriol (42)[13]
S. tibetica VatkeRootsApigenin 7-O-β-D-glucoside (2)[66]
Subgenus Betonica
Section Betonica
S. alopecuros (L.) Benth.Aerial partsp-coumaroyl-glucosides (not determined) #[75]
Leaves #Isoscutellarein 7-O-glucoside (11a),
Luteolin 7-O-glucuronide (36),
Luteolin 7-O-glucoside (37), Chrysoeriol 7-O-glucoside (43),
Hypolaetin 7-O-glucoside (49),
Hypolaetin 7-O-glucuronide (49a),
Selgin 7-O-glucoside (59),
Tricin 7-O-glucuronide (60),
Tricin 7-O-glucoside (61),
Apigenin 7-O-p-coumaroyl glucopyranoside (not determined)
S. foliosa Regel. (=S. betoniciflora Rupr.; Betonica foliosa Rupr.) Four flavonoids (not determined)[105]
S. monieri (Gouan) P.W. Ball. (=S. officinalis (L.) Trevis subsp. officinalis)Aerial partsp-coumaroyl-glucosides (not determined) #[75]
S. officinalis (L.) Trevis (=Betonica officinalis L.) Apigenin (1),
5, 6, 4′-trihydroxyflavone-7-O-β-D-glucoside (30)
Leaves #Apigenin 8-C-glucoside
(Vitexin) (9), Luteolin 7-O-glucuronide (36),
Luteolin 6-C-glucoside (isoorientin) (38),
Tricin 7-O-glucuronide (60),
Tricin 7-O-glucoside (61),
Tricetin 3′,4′,5′-trimethyl-7-O-glucoside (62),
Apigenin 7-O-p-coumaroyl glucopyranoside (not determined)
Aerial partsp-coumaroyl-glucosides (not determined) #[75]
Section Macrostachya
S. scardica Griseb. (=Betonica scardica Griseb.)Leaves #Apigenin 8-C-glucoside (9), Luteolin 7-O-glucoside (37),
Luteolin 6-C-glucoside (38),
Hypolaetin 7-O-glucoside (49),
Selgin 7-O-glucoside (59),
Tricin 7-O-glucuronide (60),
Tricin 7-O-glucoside (61),
Tricetin 3′,4′,5′-trimethyl-7-O-glucoside (isolation) (62),
Apigenin 7-O-p-coumaroyl glucopyranoside (not determined)
# identified compounds by means of HPLC, LC-MS, etc.
Table 3. Poly-methylated flavonoids from Stachys spp.
Table 3. Poly-methylated flavonoids from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Ambleia
S. aegyptiaca Pers.Aerial partsXanthomicrol (69), Sideritiflavone (70),
5-Hydroxy-6,7,8,3′,4′-pentamethoxyflavone (75), 5,4′-Dihydroxy - 6,7,8,3′-tetramethoxyflavone (76), 5,3′,4′-Trihydroxy-3,6,7,8-tetramethoxyflavone (82), Calycopterin (83), Chrysosplenetin (84), 5-Hydroxy-3,6,7,8,4′- pentamethoxyflavone (88), 5,4′-Dihydroxy -3,6,7,8,3′- pentamethoxyflavone (89)
Aerial parts5,7,3′-Trihydroxy-6,4′-dimethoxyflavone (67), 5,7,3′-Trihydroxy-6,8,4′-trimethoxyflavone (68)[70]
Aerial partsXanthomicrol (69), Eupatilin-7-methyl ether (73), Calycopterin (83), 5-Hydroxy-3,6,7,4′-tetramethoxy flavone (85), 5,8-Dihydroxy-3,6,7,4′-tetramethoxy flavone (86), 5-Hydroxy-auranetin (88), 4′-Hydroxy-3,5,7,3′- tetramethoxy flavone (90)[106]
S. schtschegleevii Sosn. ex Grossh.StemsCirsimaritin (66), Xanthomicrol (69) [74]
Section Aucheriana
S. glutinosa L. Xanthomicrol (69), Sideritiflavone (70), 8-Methoxycirsilineol (71), Eupatilin (72a)[107]
Section Candida
S. candida Bory & ChaubardAerial partsXanthomicrol (69), Calycopterin (83)[77,78]
S. chrysantha Boiss. and Heldr.Aerial partsXanthomicrol (69), Calycopterin (83)[77]
Section Swainsoniana
S. swainsonii Benth. subsp. swainsoniiAerial partsEupatorin (72), Penduletin (81), 5-Hydroxyauranetin (88)[102]
S. swainsonii subsp. argolica (Boiss.) Phitos and Damboldt Aerial partsXanthomicrol (69), Eupatorin (72),
Salvigenin (74)
S. swainsonii subsp. melangavica D. PerssonAerial partsEupatorin (72), 5-Hydroxyauranetin (88)[102]
S. swainsonii subsp. scyronica (Boiss.) Phitos and DamboldtAerial partsEupatorin (72), Penduletin (81), 5-Hydroxyauranetin (88)[102]
S. ionica HalácsyAerial partsXanthomicrol (69), Salvigenin (74), Chrysosplenetin (84), 5-Hydroxy-3,6,7,4′-tetramethoxyflavone (85), Casticin (87) [20]
S. lavandulifolia Vahl.Aerial partsVelutin (Luteolin 7,3′-dimethyl ether) (65), Viscosine (5,7,4′-trihydroxy-3,6-dimethoxyflavone (78), Kumatakenin (Kaempferol 3,7-dimethyl ether) (79), Pachypodol (Quercetin 3,7,3′-trimethyl ether) (80), Penduletin (81), Chrysosplenetin (84), [13]
Subgenus Betonica
Section Betonica
S. officinalis (L.) Trevis = (Betonica officinalis L.) 5,4′-Dyhydroxy-7,3′,5′-trimethoxyflavone (77)[20]
Table 4. Flavonols from Stachys spp.
Table 4. Flavonols from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Eriostomum
S. cretica subsp. smyrnaea Rech. f.Aerial parts #Kaempferol (91)[81]
Section Olisia
S. tetragona Boiss. & HayekAerial partsKaempferol (91)[100]
Section Swainsoniana
S. swainsonii Benth. subsp. swainsoniiAerial partsIsorhamnetin (92)[99]
S. swainsonii subsp. argolica (Boiss.) Phitos and DamboldtAerial partsIsorhamnetin (92)[99]
Section Stachys
S. palustris L.Leaves #Quercetin-3-O-rutinoside (93), Isorhamnetin-3-O-rutinoside (94)[5]
# identified compounds by means of HPLC, LC-MS, etc.
Table 5. Flavanones from Stachys spp.
Table 5. Flavanones from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Ambleia
S. aegyptiaca Pers.Aerial partsNaringenin (96)[69]
Section Eriostomum
S. cretica subsp. smyrnaea Rech. f.Aerial parts #Hesperidin (97)[81]
Section Swainsoniana
S. swainsonii Benth. subsp. swainsoniiAerial partsEriodictyol (95)[102]
S. swainsonii subsp. argolica (Boiss.) Phitos and Damboldt Aerial partsEriodictyol (95)[102]
S. swainsonii subsp. melangavica D. PerssonAerial partsEriodictyol (95)[102]
S. swainsonii subsp. scyronica (Boiss.) Phitos and DamboldtAerial partsEriodictyol (95)[102]
Table 6. Biflavonoid from Stachys spp.
Table 6. Biflavonoid from Stachys spp.
SpeciesPlant PartsCompoundRef
Subgenus Stachys
Section Ambleia
S. aegyptiaca Pers.Aerial PartsDiapigenin-7-O-(6″-trans,6″-cis-p,
p′-dihydroxy-µ-truxinyl)glucoside (stachysetin) (98)
Section Eriostomum
S. lanata Crantz. (=S. germanica L. subsp. germanica)Aerial partsStachysetin (98)[82]
Section Candida
S. iva Griseb.Flowering aerial partsStachysetin (98)[56]
Table 7. Phenolic derivatives from Stachys spp.
Table 7. Phenolic derivatives from Stachys spp.
SpeciesPlant PartsCompoundRef
Subgenus Stachys
Section Candida
S. candida Bory & ChaubardAerial partsChlorogenic acid (103)[78]
S. iva GrisebFlowering aerial partsChlorogenic acid (103)[56]
Section Eriostomum
S. cretica subsp. smyrnaea Rech. f.Aerial parts #Chlorogenic acid (103)[81]
S. cretica subsp. vacillans Rech. f.Aerial parts #Vanillic acid (100), Syringic acid (101), Chlorogenic acid (103)[105]
S. cretica subsp. mersinaea (Boiss.) Rech. f.Aerial parts #Chlorogenic acid (103)[108]
S. lanata Crantz. (=S. germanica L. subsp. germanica)RootsChlorogenic acid (103)[82]
S. tmolea BoissAerial parts #4-Hydroxybenzoic acid (99), Chlorogenic acid (103)[85]
S. thirkei K. KochAerial parts #Chlorogenic acid (103)[84]
S. germanica L. subsp. salviifolia (Ten.) Gams.Aerial partsArbutin (107)[109]
Section Olisia
S. atherocalyx C. Koch. Νeochlorogenic acid (105), p-Coumaric acid (106), Caffeic acid (108)[110]
S. recta L.Aerial parts #1-Caffeoylquinic acid (102),
Chlorogenic acid (103),
4-Caffeoylquinic acid (104)
Section Stachys
S. palustris L. 1-Caffeoylquinic acid (102), Chlorogenic acid (103), 4-Caffeoylquinic acid (104), Caffeic acid (108)[104]
Cryptochlorogenic acid (104), Neochlorogenic acid (105)[23]
Subgenus Betonica
Section Betonica
S. officinalis L. (=Betonica officinalis L.)Leaves #Chlorogenic acid (103)[111]
# identified compounds by means of HPLC, LC-MS, etc.
Table 8. Acetophenone glycosides from Stachys spp.
Table 8. Acetophenone glycosides from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Eriostomum
S. lanata Crantz. (=S. germanica L. subsp. germanica)RootsAndrosin (109), Neolloydosin (110), Glucoacetosyringone (111)[82]
Table 9. Lignans from Stachys spp.
Table 9. Lignans from Stachys spp.
SpeciesPlant PartsCompoundRef
Subgenus Stachys
Section Stachys
S. mialhesii NoéAerial Parts(+) -Sesamin (112),
(+) -Paulownin (113)
Section Olisia
S. tetragona Boiss. & Heldr. Aerial parts(7S-8R)-Urolignoside (114)[100]
Table 10. Phenylethanoid glycosides from Stachys spp.
Table 10. Phenylethanoid glycosides from Stachys spp.
SpeciesPlant PartsCompoundRef
Subgenus Stachys
Section Ambleia
S. schtschegleevii Sosn. ex Grossh.StemsActeoside (118), Betunyoside F (128)[74]
Section Candida
S. candida Bory & ChaubardAerial partsActeoside (118)[78]
S. iva Griseb.Flowering aerial partsActeoside (118), Leucosceptoside A (131),
Lavandulifolioside (129)
Section Eriostomum
S. byzantina Κ. Koch Aerial partsVerbascoside (118), 2′-O-Arabinosyl verbascoside (122), Aeschynanthoside C (133)[33]
S. cretica L. subsp. vacillans Rech. f.Aerial parts #Verbascoside (118)[112]
S. germanica L. subsp. salviifolia (Zen.) GamsAerial partsVerbascoside (118)[109]
S. lanata Crantz (=S. germanica L. subsp. germanica)Aerial partsLeonoside B (134), Martynoside (135)[82]
RootsRhodioloside (115),
Verbasoside (116),
Verbascoside (118),
Isoacteoside (119), Darendoside B (120), Campneoside II (121), 2-Phenylethyl-D-xylopyranosyl-(1→6)-D-glucopyranoside (117), Campneoside I (136)
S. tymphaea Hausskn. (=S. germanica subsp. tymphaea (Hausskn.) R. Bhattacharjee)Flowering aerial partsVerbascoside (118), Stachysoside A (129)[86]
Section Olisia
S. recta L.Aerial partsActeoside (118),
Isoacteoside (119), β-OH-Acteoside (121),
Betunyoside E (127),
Campneoside I (136),
Forsythoside B (137),
β-OH-Forsythoside B methyl ether (138)
S. tetragona Boiss. & Heldr. Aerial partsActeoside (118), Betonioside F (128),
Leucosceptoside A (131), Stachysoside D (134),
Forsythoside B (137), Lamiophloside A (141)
Section Stachys
S. affinis Bunge (=S. sieboldii Miq.)Tubers Acteoside (118),
Leucosceptoside A (131),
Martynoside (135)
Stachysosides A (129), B (139), C (140)[113]
S. riederi Cham.Whole plantsActeoside (118), Campneoside II (121), Lavandulifolioside (129), Leonoside A (139)[114]
Section Zietenia
S. lavandulifolia VahlAerial partsActeoside (118),
Lavandulifolioside (129)
Aerial partsVerbascoside (118), Lavandulofolioside A (129),
Lavandufolioside B (130),
Leucosceptoside A (131)
Aerial partsActeoside (118)[116]
Subgenus Betonica
Section Betonica
S. macrantha (C. Koch.) Stearn (=Betonica grandiflora Willd.)Aerial partsVerbascoside (118),
Leucosceptoside A (131),
Martynoside (135),
Lavandulifolioside (129)
S. officinalis (L.) Trevis. (=Betonica officinalis L.)Aerial partsActeoside (118),
Acteoside isomer (isoacteoside) (119), Campneoside II (121), Betonyosides A-F (123–128),
Leucosceptoside B (132), Forsythoside B (137)
S. alopecuros (L.) Benth subsp. divulsa (Ten.) GrandeFlowering aerial partsVerbascoside (118)[119]
Former Stachys species
S. parviflora Benth. (=Phlomidoschema parviflorum (Benth.) Vved.)Whole plantParvifloroside A (142), Parvifloroside B (143)[120]
# identified compounds by means of HPLC, LC-MS, etc.
Table 11. Phenylpropanoid glucosides from Stachys spp.
Table 11. Phenylpropanoid glucosides from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Eriostomum
S. lanata Crantz. (=S. germanica L. subsp. germanica)RootsConiferin (144),
Syringin (145)
Table 12. Iridoids from Stachys spp.
Table 12. Iridoids from Stachys spp.
SpeciesPlant PartsCompoundRef
Subgenus Stachys
Section Ambleia
S. inflata Benth. Ajugol (146), Ajugoside (147), [121]
Section Aucheriana
S. glutinosa L.Aerial partsHarpagide (148),
Acetylharpagide (150), Monomelittoside (165),
Melittoside (166),
Allobetonicoside (161),
5-Allosyloxy-aucubin (167)
Section Campanistrum
S. ocymastrum (L.) Briq. (=S. hirta L.)Leaves6β-Acetoxyipolamiide (172), 6β-Hydroxyipolamiide (173), Ipolamiide (174), Ipolamiidoside (175), Lamiide (176)[123]
Section Candida
S. iva Griseb.Flowering Aerial partsHarpagide (148),
8-Acetylharpagide (150),
8-Epi-loganic acid (157),
Gardoside (160),
8-Epi-loganin (159),
Monomelittoside (165),
Melittoside (166)
Section Corsica
S. corsica Pers. Harpagide (148),
Acetylharpagide (150)
Section Eriostomum
S. alpina L.Stems, Leaves #Ajugoside (147),
Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Aucubin (164), Catalpol (163)
S. balansae Boiss. & Kotschy Ajugol (146), Ajugoside (147)[125]
S. germanica L. Harpagide (148)[125]
Leaf, Inflorescence #Ajugoside (147),
Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Aucubin (164), Catalpol (163)
S. spectabilis Choisy ex DC. Ajugol (146), Ajugoside (147), Harpagide (148)[125]
S. byzantina Κ. Koch. Aerial parts #Ajugoside (147),
Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Catalpol (163),
Aucubin (164)
S. germanica L. subsp. salviifolia (Zen.) GamsFlowering Aerial partsHarpagide (148)[86]
Aerial partsAjugol (146),
Harpagide (148),
7-Hydroxyharpagide (149),
5-Allosyloxy-aucubin (167)
S. lanata Crantz. (=S. germanica L. subsp. germanica)RootsStachysosides E (168), G (170), H (171) [82]
Aerial partsStachysosides E (168), F (169)[82]
S. tymphaea Hausskn. (=S. germanica subsp. tymphaea (Hausskn.) R. Bhattacharjee)Aerial partsHarpagide (148)[86]
Section Olisia
S. angustifolia M. Bieb. Ajugoside (147), Acetylharpagide (150),
Harpagide (148), Melittoside (166)
S. annua (L.) L. Ajugoside (147),
Acetylharpagide (150),
Melittoside (166)
S. atherocalyx C. Koch. Ajugol (146), Harpagide (148), Acetylharpagide (150),
Melittoside (166)
S. beckeana Dörfl. & Hayek Harpagide (148), Ajugol (146), Acetylharpagide (150),
Melittoside (166)
S. iberica M. Bieb. Ajugol (146), Ajugoside (147), Harpagide (148), Acetylharpagide (150)[121]
S. recta L. Ajugol (146), Harpagide (148), Acetylharpagide (150), Melittoside (166)[92]
Leaves8-Acetylharpagide (150), Melittoside# (166)[14]
Aerial parts #Ajugoside (147), Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Catalpol (163),
Aucubin (164)
S. baldaccii (Maly) Hand-Mazz (=S. recta L. subsp. baldaccii (K. Maly) Hayek) Ajugol (146), Ajugoside (147), Harpagide (148), Acetylharpagide (150), Melittoside (166)[92]
S. subcrenata Vis. (=S. recta subsp. subcrenata) Ajugol (146), Harpagide (148), Acetylharpagide (150), Melittoside (166)[92]
S. labiosa Bertol. Ajugol (146), Harpagide (148), Acetylharpagide (150), Melittoside (166)[92]
S. leucoglossa Griseb. Ajugol (146), Harpagide (148), Acetylharpagide (150), Melittoside (166)[92]
S. spinosa L. Aerial partsAjugol (146), Harpagide (148), 7-O-Acetyl-8-epi-loganic acid (158)[98]
S. tetragona Boiss. & Heldr. Ajugol (146), Ajugoside (147), Harpagide (148), Acetylharpagide (150), Melittoside (166)[92]
Aerial parts8-Acetyl-harpagide (150), 5-O-Allopyranosyl-monomelittoside (167)[100]
Section Stachys
S. affinis Bunge (= S. sieboldii Miq.)TubersHarpagide (148), Acetylharpagide (150), Melittoside (166), 5-Allosyloxy-aucubin (167)[27]
S. palustris L.Aerial parts #Ajugoside (147), Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Catalpol (163), Aucubin (164)
S. sylvatica L.Aerial parts #Ajugoside (147), Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Catalpol (163),
Aucubin (164)
Section Swainsoniana
S. anisochila Vis. & Pancic Acetylharpagide (150),
Melittoside (166)
S. ionica Halácsy 8-epi-loganic acid (157),
Gardoside (160)
S. menthifolia Vis. (= S. grandiflora Host.) Ajugol (146), Harpagide (148), Acetylharpagide (150),
Melittoside (166)
Aerial parts #Ajugoside (147) Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Catalpol (163), Aucubin (164)
Section Zietenia
S. lavandulifolia Vahl. Ajugol (146), Ajugoside (147)[125]
Aerial partsMelittoside (166), Monomelittoside (165), 5-O-Allopyranosyl-monomelittoside (167) [12]
Section Betonica
S. alopecuros (L.) Benth subsp. divulsa (Ten.) GrandeFlowering aerial partsHarpagide (148), Acetylharpagide (150),
4′-O-β-D-galactopyranosyl-teuhircoside (162)
S. foliosa Rupr. (=S. betoniciflora Rupr.; Betonica foliosa Rupr.) Harpagide (148), Acetylharpagide (150)[126]
S. betonicaeflora Rupr. Harpagide (148), Acetylharpagide (150)[126]
S. macrantha (C. Koch.) Stearn (=Betonica grandiflora Steph. ex Willd.)Aerial partsAjugol (146),
Ajugoside (147),
Harpagide (148),
8-O-Acetyl-harpagide (150),
Reptoside (153),
Macranthoside [=8-O- (3, 4-dimethoxy-cinnamoyl-harpagide)] (156), Allobetonicoside (161)
S. officinalis (L.) Trevis. (=Betonica officinalis L.)Aerial partsAcetylharpagide (150),
Reptoside (153),
6-O-Acetylmioporoside (155), Allobetonicoside (161)
Harpagide (148), Acetylharpagide (150)[128]
Aerial parts #Ajugoside (147), Harpagide (148), Acetylharpagide (150),
Harpagoside (154), Catalpol (163), Aucubin (164)
Unknown Section
S. grandidentata Lindl. **Aerial partsAjugol (146), Harpagide (148), Acetylharpagide (150), 5-Desoxy-harpagide (151),
5-Desoxy-8-acetyl-harpagide (152),
Monomelittoside (165),
Melittoside (166)
# identified compounds#identified compounds by means of HPLC, LC-MS, etc; ** endemic species of Chile.
Table 13. Diterpenes from Stachys spp.
Table 13. Diterpenes from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
section Ambleia
S. aegyptiaca Pers. Stachysolone (177), 11a,18-Dihydroxy-ent-kaur-16-ene (210)[130]
Aerial partsStachysperoxide (189), Stachysolone (177), 7,13-Diacetyl-stachysolone (180)[131]
Aerial partsStachaegyptin A-C (190–192),
Roseostachenone (184),
Stachysolone (177),
7,13-Diacetyl-stachysolone (180)
Aerial partsStachaegyptins D, E (193, 194)[132]
Aerial partsStachaegyptins A (190), F-H (195–197), Stachysperoxide (189)[133]
S. inflata Benth. Annuanone (181), Stachylone (182), Stachone (183)[134]
Section Aucheriana
S. glutinosa L.Aerial partsRoseostachenone (184), 3α,4α-Epoxyroseostachenol (188)[107]
Section Eriostomum
S. balansae Boiss. & Kotschy Annuanone (181), Stachylone (182)[134]
S. lanata Crantz. (=S. germanica L. subsp. germanica) Ent-3α-acetoxy-kaur-16-en-19-oic acid (207),
Ent-3α,19-dihydroxy-kaur-16-ene (208),
Ent-3α-hydroxy-kaur-16-en-19-oic acid (209)
Section Mucronata
S. mucronata Sieb.Aerial partsRibenone [=3β-hydroxy-13-epi-ent-manoyl oxide] (198), Ribenol [=3-keto-13-epi-ent-manoyl oxide] (199)[57]
Section Olisia
S. annua (L.) L. Stachysolone (177)[136,137]
Annuanone (181), Stachylone (182), Stachone (183) [138]
S. atherocalyx C. Koch. Annuanone (181),
Stachylone (182),
Stachone (183)
S. distans BenthAerial parts(+)-6-Deoxyandalusol (201)[139]
S. iberica M. Bieb. Annuanone (181),
Stachylone (182),
Stachone (183)
S. recta L.Aerial parts7,13-Diacetate stachysolone (180), 7-Acetate stachysolone (178), 13-Acetate stachysolone (179)[140]
Section Roseostachys
S. rosea Boiss.Aerial partsRoseostachenone (184), Roseostachone (185), 13-epi-sclareol (200), Roseostachenol (186), Roseotetrol (187)[141]
Section Stachys
S. mialhesii NoéAerial partsHorminone (211)[103]
S. palustris L. Annuanone (181)[134]
S. sylvatica L. Stachysic acid (204)[142]
Annuanone (181),
Stachylone (182),
Stachone (183)
Stachysic acid (204),
6β-Hydroxy-ent-kaur-16-ene (205),
6β,18-Dihydroxy-ent-kaur-16-ene (206)
Betolide (214)[143]
Section Swainsoniana
S. ionica HalácsyAerial parts(+)-6-Deoxyandalusol (201)[139]
S. plumosa Griseb.Aerial parts(+)-6-Deoxyandalusol (201),
13-Epi-jabugodiol (202),
(+)-Plumosol (203)
Section Zietenia
S. lavandulifolia Vahl.Aerial partsStachysolone (177)[116]
Subgenus Betonica
Section Betonica
S. officinalis (L.) Trevis. (=Betonica officinalis L.) Betolide (214)[145]
Betonicolide (215),
Betonicosides A-D (216–219)
RootsBetolide (214)[143]
S. scardica (Griseb.) Hayek (=Betonica scardica Griseb.)RootsBetolide (214)[143]
Former Stachys species
S. parviflora Benth. (=Phlomidoschema parviflorum (Benth.) Vved.)Whole plantStachyrosane 1 (212)
Stachyrosane 2 (213)
Table 14. Triterpene derivatives, Phytosterols and Phytoecdysteroids from Stachys spp.
Table 14. Triterpene derivatives, Phytosterols and Phytoecdysteroids from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Eriostomum
S. byzantina K. Koch Aerial partsStigmasterol (220),[17]
β-Sitosterol (221), Lawsaritol (223),
Stigmastan-3,5-dien-7-one (224)
S. hissarica Regel-20-Hydroxyecdysone (239), Polipodin B (240), Integristeron A (241), 2-Desoxy-20-hydroxyecdysone (242), 2-Desoxyecdyson (243)[67]
Section Olisia
S. annua (L.) L.Aerial partsβ-Sitosterol (221), Ursolic acid (226) [95]
S. spinosa L.Aerial partsStigmasterol (220),
β-Sitosterol (221), Oleanolic acid (227),
12α-Hydroxy-oleanolic lactone (228)
S. tetragona Boiss. & Heldr. Aerial partsStigmasterol (220),
β-Sitosterol (221),
Oleanolic acid (227),
Section Stachys
S. palustris L. β-Sitosterol (221),
α-amyrin (225)
S. riederi Cham.Whole plantStachyssaponins I-VIII (231–238)[147]
Subgenus Betonica
Section Betonica
S. alopecuros (L.) Benth subsp. divulsa (Ten.) GrandeFlowering aerial parts3-O-β-Sitosterol-glucoside (222)[119]
Former Stachys species
S. parviflora Benth. (=Phlomidoschema parviflorum (Benth.) Vved.)Aerial partsStachyssaponin A (229),
Stachyssaponin B (230)
Table 15. Megastigmane derivatives from Stachys spp.
Table 15. Megastigmane derivatives from Stachys spp.
Species Plant PartsCompoundRef
Subgenus Stachys
Section Eriostomum
S. byzantina K. Koch. Aerial partsByzantionoside A (244),
Byzantionoside B (245),
Icariside B2 (246),
(6R, 9R)- and (6R, 9S)-3-oxo-α-ionol glucosides (247), Blumeol C glucoside (248)
S. lanata Crantz (=S. germanica L. subsp. germanica)Aerial partsVomifoliol (249), Dehydrovomifoliol (250)[82]
RootsCitroside A (251)[82]
Table 16. Chemical structures of flavones isolated from Stachys spp.
Table 16. Chemical structures of flavones isolated from Stachys spp.
Medicines 07 00063 i001
Apigenin (1)HHOHHHOHH
Apigenin 7-O-β-D-glucoside (cosmoside) (2)HHO-glcHHOHH
Apigenin 7-O-[6′″-O-acetyl]-β-D-allosyl-(1→2)-β-D-glucoside (3)HHO-[6′″-acetyl-allosyl]-(1→2)-glcHHOHH
Apigenin 7-(3″-E-p-coumaroyl)-β-D-glucoside (4)HHO-(3″-E-p-coumaroyl)-glcHHOHH
Apigenin 7-(3″-Z-p-coumaroyl)-β-D-glucoside (5)HHO-(3″-Z-p-coumaroyl)-glcHHOHH
Apigenin 7-(6″-E-p-coumaroyl)-β-D-glucoside (6)HHO-(6″-E-p-coumaroyl)-glcHHOHH
Apigenin 7-(6″-Z-p-coumaroyl)-β-D-glucoside (7)HHO-(6″-Z-p-coumaroyl)-glcHHOHH
Apigenin 7-(3″,6″-p-dicoumaroyl)- β-D-glucoside (Anisofolin A) (8)HHO-(3″,6″-p-dicoumaroyl)-glcHHOHH
Apigenin 8-C-glucoside (9)HHOHC-glcHOHH
Apigenin 6,8-di-C-glucoside (Vicenin-2) (10)HC-glcOHC-glcHOHH
Isoscutellarein (11)HHOHOHHOHH
Isoscutellarein 7-O-glucoside (11a)HHO-glcOHHOHH
4′-Methyl-isoscutellarein (12)HHOHOHHOCH3H
Isoscutellarein 7-O-allosyl-(1→2)-glucoside (13)HHO-allosyl-(1→2)- glcOHHOHH
3′-Hydroxy-isoscutellarein-7-O-[6′″-O-acetyl]-β-D-glucoside (14)HHO-[6′″-O-acetyl]- glcOHOHOHH
Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allosyl-(1→2)-β-D-glucoside (15)HHO-[6′″-O-acetyl]-allosyl-(1→2)-glcOHHOHH
Isoscutellarein 7-O-β-D-allosyl-(1→2)-[6″-O-acetyl]-β-D-glucoside (16)HHO-[6″-O-acetyl]-allosyl-(1→2)-glcOHHOHH
Isoscutellarein 7-O-[6′″-O-acetyl]-β-D-allosyl-(1→2)-[6″-O-acetyl]- β-D-glucoside (17)HHO-[6′″-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glcOHHOHH
Isoscutellarein 8-O-(6″-trans-p-coumaroyl)-β-D-glucoside (18)HHOHO-(6”-trans-p-coumaroyl)-glcHOHH
4′-Methyl-isoscutellarein 7-O-β-D-allosyl-(1→2)-β-D-glucoside (19)HHO-allosyl-(1→2)-glcOHHOCH3H
4′-Methyl- isoscutellarein 7-O-β-D-allosyl-(1→2)-[6″-O-acetyl]-β-D-glucoside (20)HHO-allosyl-(1→2)-[6″-O-acetyl]-glcOHHOCH3H
4′-Methyl-isoscutellarein 7-O-β-D-[6′″-O-acetyl]-allosyl-(1→2)-β-D-glucoside (21)HHO-[6′″-O-acetyl]-allosyl-(1→2)-glcOHHOCH3H
4′-Methyl-isoscutellarein 7-O- [2″-O-acetyl]-β-D-allosyl-(1→2)-β-D-glucoside (22)HHO-[2″-O-acetyl]-allosyl-(1→2)-glcOHHOCH3H
4′-Methyl-isoscutellarein 7-O-β-D-[4′′′-O-acetyl]-allosyl]-(1→2)-β-D-glucoside (annuoside) (23)HHO-[4′′′-O-acetyl]-allosyl-(1→2)-glcOHHOCH3H
4′-Methyl-isoscutellarein 7-O-[6′′′-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glucoside (24)HHO-[6′′′-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glcOHHOCH3H
Isostachyflaside (25)HHOHOHHO-mannosyl- (1→2)-glcH
Acetyl-isostachyflaside (26)HHOHOHHO-[acetyl]-mannosyl- (1→2)-glcH
Di-acetyl- isostachyflaside (27)HHOHOHHO-[diacetyl-mannosyl]- (1→2)-glcH
Spectabiflaside (28)HHO-mannosyl- (1→2)-glcOHOCH3OHH
Scutellarein (29)HOHOHHHOHH
Scutellarein 7-O-β-D-glucoside[5,6, 4′-trihydroxyflavone-7-O-β-D-glucoside] (30)HOHO-glcHHOHH
Scutellarein 7-O-β-D-mannnosyl- (1→2)-β-D-glucoside (stachyflaside) (31)HOHO-mannosyl- (1→2)-glcHHOHH
7-O-β-D-glucopyranosyl-5,6-dihydroxy-4′-methoxyflavone (Stachannin A) (32)HOHO-glcHHOCH3H
4′-Methoxy-scutellarein 7-[O-β-D-mannosyl-(1→2)-β-D-glucoside (Stachannoside B) (33)HOHO-mannosyl- (1→2)-glcHHOCH3H
Luteolin (34)HHOHHOHOHH
Luteolin 7-methyl ether (35)HHOCH3HOHOHH
Luteolin 7-O-β-D-glucuronide (36)HHO-glcAHOHOHH
Luteolin 7-O-β-D-glucoside (37)HHO-glcHOHOHH
Luteolin 6-C-glucoside (isoorientin) (38)H-C-glcOHHOHOHH
Luteolin 7-O-[6′′′-O-acetyl]-allosyl-(1→2)-glucoside (39)HHO-[6′′′-O-acetyl]-allosyl-(1→2)-glcHOHOHH
6,8 Di-C-β-D-glucopyranosyl luteolin (Lucenin-2) (40)HC-glcOHC-glcOHOHH
3′,4′-Dimethyl-luteolin-7-O-β-D-glucoside (41)HHO-glcHOCH3OCH3H
Chrysoeriol (42)HHOHHOCH3OHH
Chrysoeriol 7-O-β-D-glucoside (43)HHO-glcHOCH3OHH
Chrysoeriol 7-O-[6′′′-O-acetyl]-β-D-allosyl-(1→2)-glucoside (Stachyspinoside) (44)HHO-[6′′′-O-acetyl]- allosyl-(1→2)-glcHOCH3OHH
Chrysoeriol 7-O-[6″-O-acetyl]-β-D-allosyl-(1→2)-glucoside (Isostachyspinoside) (45)HHO-[6″-O-acetyl]- allosyl-(1→2)-glcHOCH3OHH
Chrysoeriol 7-(3″-E-p-coumaroyl)-β-D-glucoside (46)HHO-(3″-E-p-coumaroyl)-glcHOCH3OHH
Chrysoeriol 7-(6″-E-p-coumaroyl)-β-D-glucoside (47)HHO-(6″-E-p-coumaroyl)-glcHOCH3OHH
Hypolaetin (48)HHOHOHOHOHH
Hypolaetin-7-O-glucoside (49)HHO-glcOHOHOHH
Hypolaetin-7-O-glucuronide (49a)HHO-glcAOHOHOHH
Hypolaetin 7-O-allosyl-(1→2)-glucoside (50)HHO-allosyl-(1→2)-glcOHOHOHH
Hypolaetin 7-O-[6′′′-O-acetyl]-β-D-allosyl-(1→2)-β-D-glucoside (51)HHO-[6′′′-O-acetyl]- allosyl-(1→2)- glcOHOHOHH
Hypolaetin 7-O-[6″-O-acetyl]-allosyl-(1→2)glucoside (52)HHO-[6″-O-acetyl]- allossyl-(1→2)- glcOHOHOHH
Hypolaetin 7-O-[6′′′-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glucoside (53)HHO-[6′′′-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]- glcOHOHOHH
Hypolaetin 7-O-[6′′′-O-acetyl]-allosyl-(1→2)-[3″-O-acetyl]-glucoside (54)HHO-[6′′′-O-acetyl]-allosyl-(1→2)-[3″-O-acetyl]- glcOHOHOHH
4′-Methyl-hypolaetin-7-O-allosyl-(1→2)-glucoside (55)HHO-allosyl-(1→2)-glcOHOHOCH3H
4′-Methyl-hypolaetin-7-O-[6′′′-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (56)HHO-[6′′′-O-acetyl]-allosyl-(1→2)- glcOHOHOCH3H
4′-Methyl-hypolaetin-7-O-[6″-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucopyranoside (57)HHO-[6″-O-acetyl]-allosyl-(1→2)- glcOHOHOCH3H
4′-Methyl-hypolaetin-7-O-[6′′′-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]-glucoside (58)HHO-[6′′′-O-acetyl]-allosyl-(1→2)-[6″-O-acetyl]- glcOHOHOCH3H
Selgin 7-O-glucoside (59)HHO-glcHOCH3OHOH
Tricin 7-O-glucuronide (60)HHO-glcAHOCH3OHOCH3
Tricin 7-O-glucoside (61)HHO-glcHOCH3OHOCH3
Tricetin 3′,4′,5′-trimethyl-7-O-glucoside (62)HHO-glcHOCH3OCH3OCH3
R=O-glcA-glc (21)
Palustrin (63)HOHOCH3HHHH
Palustrinoside (64)HOHOCH3HHHH
glc: glucose, glcA: glucuronide.
Table 17. Chemical structures of poly-methylated flavonoids from Stachys spp.
Table 17. Chemical structures of poly-methylated flavonoids from Stachys spp.
Medicines 07 00063 i002
Velutin (luteolin 7,3′-dimethyl ether) (65)HHOCH3HOCH3OHH
Cirsimaritin (66)HOCH3OCH3HHOHH
5,7,3′-Trihydroxy-6,4′-dimethoxyflavone (67)HOCH3OHHOHOCH3H
5,7,3′-Trihydroxy-6,8,4′-trimethoxyflavone (68)HOCH3OHOCH3OHOCH3H
Xanthomicrol (69)HOCH3OCH3OCH3HOHH
Sideritiflavone (70)HOCH3OCH3OCH3OHOHH
8-Methoxycirsilineol (71)HOCH3OCH3OCH3OCH3OHH
Eupatorin (72)HOCH3OCH3HOHOCH3H
Eupatilin (72a)HOCH3OHHOCH3OCH3H
Eupatilin-7-methyl ether (73)HOCH3OCH3HOCH3OCH3H
Salvigenin (74)HOCH3OCH3HHOCH3H
5-Hydroxy-6,7,8,3′,4′-pentamethoxyflavone (75)HOCH3OCH3OCH3OCH3OCH3H
5, 4′-Dihydroxy - 6,7,8,3′-tetramethoxyflavone (76)HOCH3OCH3OCH3OCH3OHH
5, 4′-Dihydroxy-7,3′,5′-trimethoxyflavone (77)HHOCH3HOCH3OHOCH3
Viscosine (5,7,4′-trihydroxy-3,6-dimethoxyflavone) (78)OCH3OCH3OHHHOHH
Kumatakenin (kaempferol 3,7-dimethyl ether) (79)OCH3HOCH3HHOHH
Pachypodol (quercetin 3,7,3′-trimethyl ether) (80)OCH3HOCH3HOCH3OHH
Penduletin (81)OCH3OCH3OCH3HHOHH
5,3′,4′-Trihydroxy-3,6,7,8-tetramethoxyflavone (82)OCH3OCH3OCH3OCH3OHOHH
Calycopterin (83)OCH3OCH3OCH3OCH3HOHH
Chrysosplenetin (84)OCH3OCH3OCH3HOCH3OHH
5-Hydroxy-3,6,7,4′-tetramethoxyflavone (85)OCH3OCH3OCH3HHOCH3H
5,8-Dihydroxy-3,6,7,4′-tetramethoxyflavone (86)OCH3OCH3OCH3OHHOCH3H
5-Hydroxy-3,6,7,8,4′- pentamethoxyflavone
(5-hydroxyauranetin) (88)
5,4′-Dihydroxy -3,6,7,8,3′- pentamethoxyflavone (89)OCH3OCH3OCH3OCH3OCH3OHH
4′-Hydroxy- 3,5,7,3′-tetramethoxyflavone (90)OCH3HOCH3HOCH3OHH
Table 18. Chemical structures of flavonols from Stachys spp.
Table 18. Chemical structures of flavonols from Stachys spp.
Medicines 07 00063 i003
Kaempferol (91)OHOHHOH
Isorhamnetin (92)OHOHOCH3OH
Quercetin 3-O-rutinoside (93)O-rutOHOHOH
Isorhamnetin 3-O-rutinoside (94)O-rutOHOCH3OH
rut: rutinoside.
Table 19. Chemical structures of flavanones from Stachys spp.
Table 19. Chemical structures of flavanones from Stachys spp.
Medicines 07 00063 i004
Eriodictyol (95)OHOHOH
Naringenin (96)HOHOH
Hesperidin (97)OHOCH3O-rut
rut: rutinoside.
Table 20. Chemical structure of biflavonoid from Stachys spp.
Table 20. Chemical structure of biflavonoid from Stachys spp.
Stachysetin (98)
Medicines 07 00063 i005
Table 21. Chemical structures of phenolic derivatives from Stachys spp.
Table 21. Chemical structures of phenolic derivatives from Stachys spp.
Medicines 07 00063 i0064-Hydroxybenzoic acid R=H, R1=H, R2=H (99)
Vanillic acid R=H, R1=H, R2=OCH3 (100)
Syringic acid R=H, R1= OCH3, R2=OCH3 (101)
Medicines 07 00063 i0071-Caffeoylquinic acid R1=caffeoyl-, R2=R3=R4=H (102)
3-Caffeoylquinic acid (Chlorogenic acid) R1=H, R2=caffeoyl-, R3=R4=H (103)
4-Caffeoylquinic acid (cryptochlorogenic acid) R1=R2=H, R3=caffeoyl-, R4=H (104)
5-Caffeoylquinic acid (neohlorogenic acid) R1=R2=R3=H, R4=caffeoyl- (105)
Medicines 07 00063 i008
p-Coumaric acid (106)
Medicines 07 00063 i009
Arbutin (107)
Medicines 07 00063 i010
Caffeic acid (108)
Glc: glucose.
Table 22. Chemical structures of acetophenone glycosides from Stachys spp.
Table 22. Chemical structures of acetophenone glycosides from Stachys spp.
Medicines 07 00063 i076
Androsin R=R1=H (109)
Neolloydosin R=H, R1=Xyl (110)
Glucoacetosyringone R=OCH3, R1=H (111)
Xyl: xylose.
Table 23. Chemical structures of lignans from Stachys spp.
Table 23. Chemical structures of lignans from Stachys spp.
Medicines 07 00063 i011 Medicines 07 00063 i012
Sesamin R=H (112)
Paulownin R=OH (113)
(7S-8R)-Urolignoside (114)
Table 24. Chemical structures of phenylethanoid glycosides from Stachys spp.
Table 24. Chemical structures of phenylethanoid glycosides from Stachys spp.
Medicines 07 00063 i013
Medicines 07 00063 i014Caffeic acid Medicines 07 00063 i015Ferulic acid
Rhodioloside (Salidroside) (115)HHHHHOHH
Verbasoside (decaffeoyl-acteoside) (116)HHRhaHOHOHH
2-Phenylethyl-D-xylopyranosyl-(1→6)-D-glucopyranoside (117)XylHHHHHH
Acteoside (Verbascoside) (118)HCafRhaHOHOHH
Isoacteoside (119)CafHRhaHOHOHH
Darendoside B (deacyl-martynoside) (120)HHRhaHOHOCH3H
β-OH-Acteoside (Campneoside II) (121)HCafRhaOHOHOHH
2′-O-Arabinosyl verbascoside (122)HCafRhaHOHOHAra
Betonyoside A (123)HFerRhaOHOHOHH
Betonyoside B/C (isomers) (124/125)FerHRhaOHOHOHH
Betonyoside D (126)ApiCis-ferRhaHOHOCH3H
Betonyoside E (127)ApiFerRhaOHOHOHH
Betonyoside F (128)HCafRha-ApiHOHOHH
Lavandulifolioside A (Stachysoside A) (129)HCafRha-AraHOHOHH
Lavandulifolioside B (130)H4′-methyl-FerRha-AraHOCH3OHH
Leucosceptoside A (131)HFerRhaHOHOHH
Leucosceptoside B (132)ApiFerRhaHOHOCH3H
Aeschynanthoside C (133)HFerXylHOHOCH3H
Leonoside B (Stachysoside D) (134)HFerRha-AraHOHOCH3H
Martynoside (135)HFerRhaHOHOCH3H
Campneoside I (136)HCafRhaOCH3OHOHH
Forsythoside B (137)ApiCafRhaHOHOHH
β-OH-Forsythoside B methyl ether (138)ApiCafRhaOCH3OHOHH
Leonoside A (Stachysoside B) (139)HFerRha-AraHOHOHH
* Stachysoside C (140)HFerRha-AraHOHOHH
Lamiophloside A (141)ApiFerRhaHOCH3OHH
Parvifloroside A (142)HCafHHOHOHRha
Parvifloroside B (143)CafHHHOHOHRha
Caf: Caffeic acid, Fer: Ferulic acid, Api: Apioside, Rha: Rhamnoside, Ara: Arabinoside, Xyl: Xyloside, *: might be synonym of Leonoside B.
Table 25. Chemical structures of phenylpropanoid glucosides from Stachys spp.
Table 25. Chemical structures of phenylpropanoid glucosides from Stachys spp.
Medicines 07 00063 i016
Coniferin R=H (144)Syringin R=OCH3 (145)
Table 26. Chemical structures of iridoids from Stachys spp.
Table 26. Chemical structures of iridoids from Stachys spp.
Medicines 07 00063 i017
Ajugol (146)HOHHHH
Ajugoside (147)HOHAcHH
Harpagide (148)HOHHOHH
7-Hydroxyharpagide (149)HOHHOHOH
8-Acetylharpagide (Acetylharpagide) (150)HOHAcOHH
5-Desoxyharpagide (151)OHOHHHH
5-Desoxy-8-acetylharpagide (152)OHOHAcHH
Reptoside (153)HHAcOHH
Harpagoside (154)HOHCinnamoyl-OHH
6-O-Acetylmioporoside (155) AcOHHHH
Macranthoside (156)HOH3,4-dimethoxy cinnamoyl-OHH
Medicines 07 00063 i0188-Epi-loganic acid R=R′=H (157)
7-O-Acetyl-8-epi-loganic acid R=Ac, R′=H (158)
8-Epi-loganin R=H, R′=CH3 (159)
Medicines 07 00063 i019Gardoside (160)
Medicines 07 00063 i020Allobetonicoside R=Allose, R1=Glc (161)
4′-O-β-D-galactopyranosyl-teuhircoside R=H, R1=Glc-Gal (162)
Medicines 07 00063 i021Catalpol (163)
Medicines 07 00063 i022Aucubin R=H (164)
Monomelittoside R=OH (165)
Melittoside R=O-Glc (166)
R=O-Alo (167)
Medicines 07 00063 i023NameR1R2R3
Stachysoside E (168)Hp-(E)-coumaroyl-H
Stachysoside F (169)Hp-(Z)-coumaroyl-H
Stachysoside G (170)HHp-(E)-coumaroyl-
Stachysoside H (171)p-(E)-coumaroyl-HH
Medicines 07 00063 i024NameR1R2R3
6β-Acetoxyipolamiide (172)OAcHOH
6β-Hydroxyipolamiide (173)OHHOH
Ipolamiide (174)HHOH
Ipolamiidoside (175)HHOAc
Glc: Glucose, Gal: Galactose, Alo: Allose.
Table 27. Diterpenes from Stachys spp.
Table 27. Diterpenes from Stachys spp.
Medicines 07 00063 i025
Stachysolone (177)HH
7-Monoacetyl-stachysolone (178)AcH
13-Monoacetyl-stachysolone (179)HAc
7,13-Diacetyl-stachysolone (180)AcAc
Medicines 07 00063 i026 Medicines 07 00063 i027 Medicines 07 00063 i028
Annuanone (181)Stachylone (182)Stachone (183)
Medicines 07 00063 i029 Medicines 07 00063 i030 Medicines 07 00063 i031
Roseostachenone (184)Roseostachone (185)Roseostachenol (186)
Medicines 07 00063 i032 Medicines 07 00063 i033
Roseotetrol (187)3α,4α-Epoxyroseostachenol (188)
Medicines 07 00063 i034
Stachysperoxide (189)
Medicines 07 00063 i035 Medicines 07 00063 i036
Stachaegyptin A (190)Stachaegyptin B (191)
Medicines 07 00063 i037 Medicines 07 00063 i038
Stachaegyptin C (192)Stachaegyptin D (193)
Medicines 07 00063 i039 Medicines 07 00063 i040
Stachaegyptin E (194)Stachaegyptin F (195)
Medicines 07 00063 i041 Medicines 07 00063 i042
Stachaegyptin G (196)Stachaegyptin H (197)
Medicines 07 00063 i043 Medicines 07 00063 i044
Ribenone R=O (198)
Ribenol R=αOH,βH(199)
13-Epi-sclareol (200)
Medicines 07 00063 i045 Medicines 07 00063 i046
(+)-6-Deoxyandalusol (201)13-Epi-jabugodiol (202)
Medicines 07 00063 i047
(+)-Plumosol (203)
Medicines 07 00063 i048
Stachysic acid (204)COOHCH3HOAcH
6β-hydroxy-ent-kaur-16-ene (205)CH3CH3HOHH
6β,18-dihydroxy-ent-kaur-16-ene (206)CH2OHCH3HOHH
Ent-3α-acetoxy-kaur-16-en-19-oic acid (207)CH3COOHOAcHH
3α,19-Dihydroxy-ent-kaur-16-ene (208)CH3CH2OHOHHH
Ent-3α-hydroxy-kaur-16-en-19-oic acid (209)CH3COOHOHHH
11a,18-Dihydroxy-ent-kaur-16-ene (210)CH2OHCH3HHOH
Medicines 07 00063 i049
Horminone (211)
Medicines 07 00063 i050
Stachyrosane 1 (212)
Medicines 07 00063 i051
Stachyrosane 2 (213)
Medicines 07 00063 i052
Betolide (214)
Medicines 07 00063 i053
Betonicolide (215)
Medicines 07 00063 i054NameR1R2R3
Betonicoside A (216)O-GlcCH2OHO-Glc
Betonicoside B (217)O-GlcCH2OHOH
Betonicoside C (218)OHCH2OHO-Glc
Betonicoside D (219)OHCH2O-GlcOH
Glc: Glucose.
Table 28. Triterpene derivatives, Phytosterols and Phytoecdysteroids from Stachys spp.
Table 28. Triterpene derivatives, Phytosterols and Phytoecdysteroids from Stachys spp.
Medicines 07 00063 i055Stigmasterol (220) R=
Medicines 07 00063 i056
β-Sitosterol (221) R= Medicines 07 00063 i057
R1= H
3-O-β-Sitosterol-glucoside (222)R= Medicines 07 00063 i058
Medicines 07 00063 i059
Lawsaritol (223)
Medicines 07 00063 i060
Stigmastan-3,5-dien-7-one (224)
Medicines 07 00063 i061
α-Amyrin R=CH3 (225)
Ursolic acid R=COOH (226)
Medicines 07 00063 i062
Oleanolic acid (227)
Medicines 07 00063 i063
12α-hydroxy-oleanolic lactone (228)
Medicines 07 00063 i064
Stachyssaponin A (229)R=Glc-Rha, R1=H, R2=Glc-Ara, R3=H, R4=OH
Stachyssaponin B (230)R=Glc, R1=Ara, R2=H, R3=Glc, R4=H
Medicines 07 00063 i065Stachyssaponin I R=OGlc-Ara, R1=Ara (231)
Stachyssaponin II R=OGlc-Ara, R1=Ara-Rha (232)
Stachyssaponin III R=OGlc-Xyl, R1=Ara-Rha (233)
Stachyssaponin IV R=OGlc-Ara, R1=Ara-Rha-Xyl (234)
Stachyssaponin V R=OGlc-Ara, R1=Ara-Rha-Xyl-3Ac (235)
Stachyssaponin VI R=OGlc-Ara, R1= Ara-Rha-Xyl-4Ac (236)
Stachyssaponin VII R=OGlc-Ara, R1=Ara-Rha-(3Glc)-Xyl (237)
Stachyssaponin VIII R=OGlc-Xyl, R1=Ara-Rha-Xyl (238)
Medicines 07 00063 i06620-Hydroxyecdysone (239) R1=R2=R3=R5=H, R4=OH, R6=CH3
Polipodin B (240) R1=R2=R5=H, R3=R4=OH, R6=CH3
Integristeron A (241) R2=R3=R5=H, R1=R4=OH, R6=CH3
Medicines 07 00063 i0672-Desoxy-20-hydroxyecdysone (242) R1=OH, R2=H
2-Desoxyecdyson (243) R1=R2=H
Glc: Glucose, Xyl: Xylose, Rha: Rhamnose, Ara: Arabinose.
Table 29. Chemical structures of megastigmane derivatives from Stachys spp.
Table 29. Chemical structures of megastigmane derivatives from Stachys spp.
Medicines 07 00063 i068 Medicines 07 00063 i069
Byzantionoside A (244)Byzantionoside B (245)
Medicines 07 00063 i070 Medicines 07 00063 i071
Icariside B2 (246)(6R, 9R)- and (6R, 9S)-3-oxo-α-ionol glucosides (247)
Medicines 07 00063 i072 Medicines 07 00063 i073
Blumeol C glucoside (248)Vomifoliol (249)
Medicines 07 00063 i074 Medicines 07 00063 i075
Dehydrovomifoliol (250)Citroside A (251)
Glc: Glucose.
Table 30. Pharmacological activities of Stachys spp.
Table 30. Pharmacological activities of Stachys spp.
SpeciesExtract or CompoundActivity aRef
S. aegyptiaca Pers.Stachysolon diacetate (180)Cytotoxicity
HepG2 cell line IC50: 59.5 μM
S. affinis Bunge (=S. sieboldii Miq.)Ethyl acetate fractionAntioxidant
DPPH IC50: 0.85 ± 0.04 μg/mL
Superoxide radical scavenging activity: 38.63–61.41%
K562 cell line; SH-SY5Y cell line; Caco-2 cell line: n.a.
K562 cell line; SH-SY5Y cell line; Caco-2 cell line EC50: 0.0023 mg/mL; 0.05 mg/mL; 0.026 mg/mL
S. byzantina K. Koch. MethanolAntioxidant
Phosphomolybdenum (mmol TEs/g extract): 1.49 ± 0.12
ABTS (mg TEs/g extract): 143.85 ± 0.47
Nitric oxide (mmol TEs/g extract): 1.84 ± 0.02
CUPRAC (mg TEs/g extract): 134.73 ± 10.37
WaterDPPH (mg TEs/g extract): 125.26 ± 1.47
Superoxide anion (mg TEs/g extract): 50.68 ± 2.05
FRAP (mg TEs/g extract): 98.73 ± 2.14
Chelating effect (mg EDTAEs/g extract): 16.69 ± 0.96
Ethyl acetateAnti-Alzheimer’s
AChE inhibition (mg GALAEs/g extract): 2.08 ± 0.01
BChE inhibition (mg GALAEs/g extract): 4.09 ± 0.04
Tyrosinase inhibition (mg KAEs/g extract): 33.27 ± 0.54
α-Amylase inhibition (mmol ACEs/g extract): 0.31 ± 0.01
α-Glucosidase inhibition (mmol ACEs/g extract): 1.95 ± 0.20
S. cretica L. subsp. smyrnaea Rech. f.Methanol Antioxidant
Ferrous ion chelating (mg EDTAEs/g dp): 4.82 ± 0.04
Phosphomolybdenum (mg TEs/g dp): 71.94 ± 4.56
DPPH (mg TEs/g dp): 9.10 ± 0.04
ABTS (mg TEs/g dp): 17.36 ± 0.07
CUPRAC (mg TEs/g dp): 14.67 ± 0.02
FRAP (mg TEs/g dp): 12.98 ± 0.11
AChE inhibition (µg GALAEs/g dp): 343.78 ± 10.79
Ethyl acetateBChE inhibition (µg GALAEs/g dp): 167.68 ± 2.68
Ethyl acetate Anti-tyrosinase
Tyrosinase inhibition (mg KAEs/g dp): 2.45 ± 0.05
Methanol Anti-diabetic
α-Amylase inhibition (mg ACEs/g dp): 61.47 ± 0.05
α-Glucosidase inhibition (mg ACEs/g dp): 47.84 ± 0.78
S. cretica L. subsp. mersinaea (Boiss.) Rech. f.WaterAntioxidant
Phosphomolybdenum (mmol TEs/g extract): 2.17 ± 0.21
DPPH (mg TEs/g extract): 176.21 ± 2.52
MethanolABTS (mg TEs/g extract): 292.67 ± 1.53
CUPRAC (mg TEs/g extract): 256.79 ± 2.02
FRAP (mg TEs/g extract): 236.44 ± 2.96
Ferrous ion chelating (mg EDTAEs/g extract): 18.57 ± 0.04
Methanol Anti-Alzheimer’s
AChE inhibition (mg GALAEs/g extract): 2.03 ± 0.15
Ethyl acetateBChE inhibition (mg GALAEs/g extract): 0.39 ± 0.01
Ethyl acetate Anti-tyrosinase
Tyrosinase inhibition (mg KAEs/g extract): 16.58 ± 0.31
Ethyl acetateAnti-diabetic
α-Amylase inhibition (mg ACEs/g extract): 396.50 ± 4.63
Methanolα-Glucosidase inhibition (mg ACEs/g extract): 734.47 ± 4.32
S. cretica L. subsp. vacillans Rech. f.MethanolAntioxidant
(mg TE/g extract)
DPPH: 191.47 ± 5.77
ABTS: 213.93 ± 21.83
CUPRAC: 579.23 ± 13.99
FRAP: 254.40 ± 8.58
WaterFerrous ion chelating (mg EDTAE/g extract): 68.72 ± 0.80
Tyrosinase inhibition (mg KAE/g extract): 314.04 ± 2.05
α-Amylase inhibition (mg ACE/g extract): 433.99 ± 5.10
S. ehrenbergii Βoiss.MethanolAntioxidant
ABTS IC50: 52 ± 7.5 mg/mL
A549 cell line IC50: 420 ± 104 μg/mL
S. glutinosa L.Dichloromethane; Xanthomicrol (69)Opioid Receptors binding affinity (in silico)
Ki for MOR = 10.3 μg/mL, Ki for
DOR = 9.0 μg/mL; Ki for MOR = 0.83 μM, Ki for DOR = 3.6 μM
Antinociceptive (in vivo)
S. guyoniana Noë ex Batt.Chloroform
β-carotene IC50: 2.30 ± 1.27 μg/mL
DPPH IC50: 2.91 ± 0.14 μg/mL
ABTS IC50: 7.29 ± 0.23 μg/mL
CUPRAC A0.50: 0.15 ± 0.05 μg/mL
Metal chelating assay (%) of inhibition at 100 μg/mL: 48.00 ± 1.71
AChE inhibition IC50: 5.78 ± 0.01 μg/mL
BChE inhibition IC50: 39.10 ± 1.41 μg/mL
MIC value: S. aureus 32 ± 0.90 μg/mL, E. aerogenes 32 ± 0.70 μg/mL; E. coli 64 ± 0.60 μg/mL
S. hissarica Regel-Wound Healing (in vivo)[67]
S. iberica var. densipilosa R. Bhattacharjee Ethyl acetate;Antioxidant
ABTS (mg TEs/g extract): 138.16 ± 0.49,
Nitric oxide (mmol TEs/g extract): 1.81 ± 0.01,
Superoxide anion (mg TEs/g extract): 41.31 ± 1.64,
CUPRAC (mg TEs/g extract): 111.47 ± 4.67;
WaterDPPH (mg TEs/g extract): 82.52 ± 1.62
FRAP (mg TEs/g extract): 89.15 ± 0.82
Chelating effect (mg EDTAEs/g extract): 9.24 ± 0.87
Ethyl acetateAnti-Alzheimer’s
AChE inhibition (mg GALAEs/g extract): 2.16 ± 0.01
BChE inhibition (mg GALAEs/g extract): 4.20 ± 0.01
Tyrosinase inhibition (mg KAEs/g extract): 16.59 ± 0.33
α-Amylase inhibition (mmol ACEs/g extract): 0.34 ± 0.02
α-Glucosidase inhibition (mmol ACEs/g extract): 6.17 ± 0.51
S. iva Griseb.Stachysetin (98)Anti-diabetic (in silico)
Dipeptyl peptidase IV, peroxisome proliferator-active receptor gamma, aldose reductase, glycogen kinase, pancreatic alpha amylase
S. mialhesii Noén-Butanol; Isoscutellarein-7-O-[6”′-O-acetyl]-β-D-allopyranosyl-(1→2)-β-D-glucoside (15)Antioxidant
DPPH IC50: 0.047 ± 0.0048 mg/mL; 0.066 ± 0.002 mg/mL
n-ButanolAcute toxicity (in vivo)
Not toxic (10 g/kg of extract)
Antinociceptive(in vivo)
Inhibition of the writhing response induced by acetic acid (dose: 10,000; 5000 mg/kg) 77.11%, 58.22%
Antiinflammatory (in vivo)
Carrageenan-induced paw edema (dose: 5000 mg/kg) 52.03%
Ulcerogenic (in vivo)
S. mucronata Sieb.n-Butanol fractionAnti-radical[156]
S. lavandulifolia Vahl.Methanol Soxhlet extract; Arbutin (107),
Ethanol; Arbutin (107),
Methanol Soxhlet extract; Arbutin (107),
DPPH IC50: 25.0 ± 1.1 μg/mL; 62.5 ± 0.9 μg/mL,
ABTS IC50: 19.9 μg/mL; 45.7 μg/mL,
FRAP (μM Fe(II)/g): 44.5 ± 1.0; 12.2 ± 0.6,
Methanol; Ethanol β-carotene IC50: 29.3 µg/mL (30 min), 60.3 µg/mL (60 min); 33.0 µg/mL (30 min), 34.6 µg/mL (60 min)
Tyrosinase inhibition IC50: 33.4 ± 0.8 μg/mL
AChE inhibition IC50:13.7 ± 1.2 μg/mL
BChE inhibition IC50: 143.9 μg/mL
Brine Shrimp lethality test: 121.8 ± 5.6 μg/mL
Apigenin (1); Chrysosplenetin (84)MRC-5 cell line IC50: 35.67 μg/mL; MDA-MB-231 cell line IC50: 88.23 μg/mL, HT-29 cell line IC50: 116.50 μg/mL
S. officinalis (L.) Trevis (=Betonica officinalis L.)Acetone
S. ocymastrum (L.) Briq. (=S. hirta L.)6β-Acetoxyipolamiide (172); 6β-Hydroxyipolamiide (173); Ipolamiide (174); Ipolamiidoside (175)Antiangiogenic(in vivo)[123]
S. parviflora Benth. (=Phlomidoschema parviflorum (Benth.) Vved.)Methanol Antioxidant
DDPH IC50: 76.87 ± 0.57 µg/mL
BCB IC50: 188.47 ± 0.76 µg/mL
A2780 cell line IC50: n.a
HCT cell line IC50: n.a
B16F10 cell line IC50: n.a
MIC: Bacillus cereus 0.12 mg/mL
S. pilifera Benth. Terpenoid fraction Cytotoxicity
HT29 cell line IC50: 46.44 μg/mL
70% Methanol
Alkaloid fraction
Caspase-8 increased 99%
Caspase-9 increased 85.38%
70% EthanolHepatoprotective (in vivo)[158]
HydroalcoholicAntioxidant(in vivo)
Hepatoprotective(in vivo)
HydroalcoholicAntioxidant (in vivo)
Renoprotective (in vivo)
WaterNeuroprotective (in vivo)[152]
S. riederi var. japonica (Miq.) H. Hara80% Ethanol Antioxidant/Cytoprotective
UVA-irradiated human dermal fibroblasts (HDFs)
HDFs: l.a./n.a
S. sieboldii Miq. (=S. affinis Bunge)n-Hexane fraction
n-Hexane; 85% MeOH; n-BuOH; water fractions
ROS inhibition: 63%
Increased GSH levels
Inhbited oxidative DNA damage >90%
(Root powder)Anti-obesity (in vivo)
Anti-dyslipidemic (in vivo)
20% Ethanol Memory protective (in vivo)[162]
S. sylvatica L.HydroalcoholicPolycystic ovary syndrome(in vivo) (500 mg/kg) (mIU/mL),
FSH 5.95 ± 0.02 mIU/mL,
LH 6.48 ± 0.09 mIU/mL,
Estrogen 0.9 ± 0.07 mIU/mL,
LH/FSH 6.48/5.59 mIU/mL
S. thirkei K. Koch.MethanolAntioxidant
β-carotene IC50: 47.79 ± 0.59 μg/mL
DPPH IC50: 49.31 ± 0.38 μg/mL
ABTS IC50: 13.34 ± 0.02 μg/mL
CUPRAC absorbance%: 1.88 ± 0.02
Acetone Anticholinesterase
AChE inhibition IC50: 52.46± 1.26%
BChE inhibition IC50: 75.04 ± 1.91%
A549 and L929 Fibroblast cells (100 mg/mL): n.a.
Acetone; MethanolAntimicrobial
Inhibition zone diameter: S. aureus (11 mm), S. pyogenes (10 mm), E. coli (10 mm), P. aeruginosa (n.a.), C. albicans: n.a.; S. aureus (10 mm), S. pyogenes (10 mm), E. coli (10 mm), P. aeruginosa (n.a.), C. albicans: n.a.
MIC values: 250 ± 0.6 μg/mL, 300 ± 0.4 μg/mL, 250 ± 0.3 μg/mL, n.a., n.a.; 300 ± 0.1 μg/mL, 250 ± 0.2 μg/mL, 250 ± 0.4 μg/mL, n.a., n.a.
S. tmolea Boiss.Water Antioxidant
DPPH (mg TEs/g dp): 50.88 ± 1.55
ABTS (mg TEs/g dp): 44.39 ± 3.24
CUPRAC (mg TEs/g dp): 87.57 ± 0.83
FRAP (mg TEs/g dp): 51.80 ± 2.17
Phosphomolybdenum (mg TEs/g dp): 40.58 ± 3.45
Ferrous ion chelating (mg EDTAEs/g dp): 1.10 ± 0.03
a Only the highest activity; n.a.:no activity; l.a.: low activity.
Table 31. General characteristics of the analyzed studies in the current review.
Table 31. General characteristics of the analyzed studies in the current review.
Type of DataNo of Studies *Years of Publication
Ethnobotanical48since 1914
Phytochemical 91since 1968
Pharmacological 22 (in vitro)since 2015
8 (in vivo)
2 (in silico)
Clinical studies4since 2013
Reviews4since 1994
* N.B. It could be found more than one type of data in the same article.
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Tomou, E.-M.; Barda, C.; Skaltsa, H. Genus Stachys: A Review of Traditional Uses, Phytochemistry and Bioactivity. Medicines 2020, 7, 63.

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Tomou E-M, Barda C, Skaltsa H. Genus Stachys: A Review of Traditional Uses, Phytochemistry and Bioactivity. Medicines. 2020; 7(10):63.

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Tomou, Ekaterina-Michaela, Christina Barda, and Helen Skaltsa. 2020. "Genus Stachys: A Review of Traditional Uses, Phytochemistry and Bioactivity" Medicines 7, no. 10: 63.

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