Special Issue "Medicinal Plant Extracts"
Deadline for manuscript submissions: 30 June 2022 | Viewed by 22419
Interests: pharmaceutical technology; plant extracts; nanotechnology; pharmacology
In recent decades, pharmaceuticals based on phytocomplexes have become of interest to health professionals as an alternative to conventional drugs. Recent research has focused on the optimization of herbal medicines and nutritional supplements. Current studies employing new methods of analysis are disclosing new information about the composition of phytocomplexes, which is essential to improving their therapeutic effect, reducing their side effects, and increasing their safety. This Special Issue of Plants aims to present the most recent results of research on plant extracts and their biological activity.
Prof. Laura Grațiela Vicaș
Prof. Mariana Eugenia Mureșan
Manuscript Submission Information
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- medicinal plant extracts
- cell cultures
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: Study of the properties of the medicinal plant Dactylorhiza inaculata extracts
Authors: Svetlana Ivanova
Affiliation: Kemerovo State University: Kemerovo, RU
Abstract: Medicinal plant Dactylorhiza inaculata is used to treat gastritis, colic, diseases of the gastrointestinal tract and bladder. The recommended parameters for producing Dactylorhiza inaculata extract were determined: temperature 60 °C, process duration 60 min, hydromodule 1:100. It is recommended to carry out the extraction with an aqueous ethyl alcohol solution with a mass fraction of the parent substance of 70%. It was found that such biologically active substances as rutin, quercetin, 3,3',4',5,5',7-hexahydroxyflavonone, 3,3',4',5,5',7-hexahydroxyflavonone-3-O-glycoside, gallic acid, ferulic acid were dominant in Dactylorhiza inaculata. High phosphorus content was noted (2410.8 mg/kg dry matter). The studied Dactylorhiza inaculata samples contained a large number of organic acids and water-soluble vitamins. The tested extracts were safe in terms of the content of heavy metals, pesticides, aflatoxin B1, radionuclides, as well as pathogenic and opportunistic microorganisms. All studied Dactylorhiza inaculata BAS complex extracts had antimicrobial properties. It was found that the antioxidant activity of the samples was 217.89±10.89 mg AA/g. The high BAS content and antimicrobial and antioxidant properties of Dactylorhiza inaculata extracts determine the potential for their use as components of feed additives for livestock.
Title: An overview of the extraction methods and bioactive compounds in Etlingera coccinea (Tuhau) as an indigenous plant species in Sabah, Malaysia
Authors: MD. SHAFIQUZZAMAN SIDDIQUEE
Affiliation: Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
Abstract: Etlingera coccinea (E. coccinea) or locally known to Dusun as “Tuhau” in Sabah, Malaysia. Tuhau is traditional cuisine for ethnics Kadazan-Dusun in Sabah. Secondary metabolites in E. coccinea's leaves, roots, and rhizomes are available. However, no alkaloids bioactive compounds are reported, cardiac glycosides and steroids are found in all plant sections. Leaves and stems have saponins, anthraquinones and a group of polyphenols found, but rhizomes were not found. E. coccinea showed good antimicrobial, antioxidant and antifungal activities. The antioxidant properties of the leaves suggest that it could be used as an alternative to synthetic compounds as a food and medicinal additive. There are four types of extraction which are liquid-liquid extraction (LLE), solid phase extraction (SPE), leaching or solid liquid and supercritical fluid extraction (SFE) to increase the extraction of bioactive compounds from plant sources on a large scale. This review article described a group of bioactive compounds that are rich in E. coccinea and the various extraction procedures for extracting bioactive compounds from plants with their basic mechanisms, benefits, and drawbacks.
Title: Morus species as medicinal plant with valuable effects on human health
Authors: Vicas Simona-Ioana
Affiliation: Department of Food Engineering Faculty of Environmental Protection,Oradea, Bihor, University of Oradea
Abstract: Botanical parts of Morus sp.(fruits, leaves, branch, roots) provide important levels of secondary metabolites with health benefits. Many studies are focused on the phytochemical composition and health benefits of mulberry fruits. The novelty of this review is the presentation of the chemical composition of the individual botanical parts of Morus sp. and highlight its health benefits, which include antioxidant, anticancer, antidiabetic, immunomodulators effects. We have selected scientific articles from the last ten years and also suggested some future perspectives on Morus-based products as functional foods for health-promoting effects.
Title: Study of the antioxidant properties of Filipendula ulmaria and Alhus glutinosa
Authors: Svetlana Ivanova
Affiliation: Universidad de Sevilla
Abstract: Aging is caused by a combination of genetics and external conditions, with genetic factors accounting for around 25% of human aging and environmental influences, including lifestyle, accounting for the remaining 75%. This research aimed to study the antioxidant properties of Filipendulaulmaria and Alhus glutinosa. Samples of both Alhus glutinosa and Filipendulaulmaria extracts demonstrated high antioxidant activity, however the activity of Alhus glutinosasamples was higher. For Alhus glutinosa, the highest antioxidant activity of ABTS reached 1094.02±14.53 µmol TE/g (methanol extract samples), ABTS radical scavenging activity – 579.07±41.87 µmol TE/g (water extract samples), DPPH radical scavenging activity – 584.45±35.31 µmol TE/g and reducing power of FRAP - 471.63±7.06 µmol TE/g (methanol extract samples), which is consistent with the total yields of extracts and the content of ellagic acid in them. Significant activities were also found in samples of the aqueous extract. Samples of ethyl acetate extract showed little antioxidant activity. Synthetic antioxidants (dibunol, probucol, cystalitis, mexamine, etc.) have not found application in clinical practice. Plant-derived antioxidants have great potential because they are less toxic to humans. This creates good prospects for the further use of herbal extracts of Filipendulaulmaria and Alhus glutinosa as a source of natural antioxidants.
Title: Medicinal Plant Extracts
Authors: kerstin andrae
Affiliation: Department of Biological Science; Block 235/Office 251; University of Botswana; Gaborone; Botswana
Abstract: Schistosomiasis and soil-transmitted helminths are some of the priority NTDs targeted for elimination by the World Health Organisation (WHO). They are prevalent in Botswana and although Botswana has begun mass drug administration with the hope of eliminating soil transmitted helminths, the prevalence of schistosomiasis does not meet the threshold required to warrant large scale interventions. Although Botswana has a modern healthcare system, many people in Botswana still rely on traditional medicine to treat worm infections and schistosomiasis. In this study, ten plant species used by traditional medicinal practitioners against worm infections were collected and tested against Ancylostoma duodenale (Old World hookworm), Heligmosomoides polygyrus (roundworm of rodents), Necator americanus (New World hookworm), Schistosoma mansoni (blood fluke) [adult and newly transformed schistosomules (NTS)], Strongyloides ratti (threadworm), and Trichuris muris (nematode parasite of mice). Two plants, Laphangium luteoalbum and Commiphora pyaracanthoides displayed promising anthelmintic activity against NTS and adult S. mansoni respectively.