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Review

Rhodophyta as Potential Sources of Photoprotectants, Antiphotoaging Compounds, and Hydrogels for Cosmeceutical Application

by
Noer Kasanah
1,2,*,
Maria Ulfah
2,
Okmalisda Imania
2,
Annisa Nur Hanifah
2 and
Muhammad Idham Darussalam Marjan
3
1
Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
2
Integrated Agrocomplex Laboratory, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
3
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
*
Author to whom correspondence should be addressed.
Molecules 2022, 27(22), 7788; https://doi.org/10.3390/molecules27227788
Submission received: 21 October 2022 / Revised: 9 November 2022 / Accepted: 9 November 2022 / Published: 12 November 2022
(This article belongs to the Special Issue Bioactives and Functional Compounds from Marine Plants)

Abstract

:
Seaweeds are macroscopic, multicellular, eukaryotic and photosynthetic organisms, and are a source of chemical diversity with powerful biological activities for diversified industrial applications including cosmeceuticals. Red seaweeds (Rhodophyta) are good sources of Mycosporine-like amino acids (MAA) for photoprotectant and antiphotoaging compounds. In addition, Rhodophyta are also good sources for hydrogel compounds that are used widely in the food, pharmaceutical and cosmeceutical industries as gelling agents, moisturizers or for their antiphotoaging effects. Our survey and ongoing studies revealed that the biodiversity of Indonesian Rhodophyta is rich and is a treasure trove for cosmeceutical agents including MAA and hydrogels. This study delivers valuable information for identifying potential red seaweeds in screening and searching for cosmeceutical agents.

1. Introduction

Cosmetic products are an essential element in human society and have been used since civilization began. The Food and Drug Administration (FDA) defines a cosmetic as a product (excluding pure soap) intended to be applied to the human body for cleansing, beautifying, promoting attractiveness or altering the appearance [1]. European Commission (EC) regulation No 1223/2009 defines cosmetics as any substance or mixture intended to be placed in contact with the external parts of the human body (epidermis, hair, nails, lips and external genital organs) or with the teeth and the mucous membranes of the oral cavity with the exclusive or principal objective to clean, perfume or protect them, change their appearance or keep them in good condition. The term “cosmeceuticals” is not recognized by FDA the [1] but is used by the cosmetics industry and consumers to represent the cosmetic products that have medicinal or drug-like properties. The term contains words “cosmetic” and “pharmaceutical” and implies that the cosmetics product contains active ingredients or substances with therapeutic effects for treatment [2,3,4]. The active substances for skin benefit, such as phytochemicals, essential oils, vitamins, antioxidants, photoprotectants, etc., act on the skin to improve the skin’s health by reducing or treating skin problems such as wrinkles, dark spots, hyperpigmentation, skin aging and acne [5]. In the modern world, cosmetics are a part of one’s daily routine and personal care. The cosmetic industry is a competitive global trade with a market size valued at USD 341.1 billion in 2020 and is expected to be worth USD 480.4 billion by 2030 with a compound annual growth rate (CAGR) of 5.1% from 2021 to 2030 [6]. The global skincare products market size was valued at USD 130.50 billion in 2021 and is expected to expand at a compound annual growth rate (CAGR) of 4.6% from 2022 to 2030. Escalating demand for face creams, sunscreens and body lotions across the globe is expected to have a positive impact on the market growth over the forecast period [7].
In recent decades, the “back to nature” transformation of lifestyle has risen the interest in natural products for health, green environment and sustainability. As a result, consumers demand products from natural resources, safe, effective, healthy and eco-friendly processes [8]. The commitment of the cosmetics industry in the discovery of new natural bioactive compounds is triggered by market demand and the need to replace existing compounds. The targets are effective, non-allergenic, safe, inexpensive and made from sustainable natural compounds to deliver innovative products and solutions that meet consumers’ expectations [4,9,10]. Natural product-based cosmeceuticals are derived from a variety of sources such as plants, herbs, vegetables, legumes, oils, animals and marine biota. They are harvested from conventional agricultural production, mariculture mainly on fields or in greenhouses, biotechnological methods such as tissue cultures, hydroponic systems, fermentation of genetically modified organisms and microalgae cultures or re-use of food and agricultural waste [4,8,11].
Oceans cover over 70% of the Earth, being home to up to 90% of the organisms on the planet. Marine biotechnology (blue biotechnology) refers to the utilization of marine resources and biotechnology tools for various applications in industrial, human health, or environmental industries. Marine ecosystems harbor a largely unexplored biodiversity, which offers considerable potential for blue biotechnology and blue economy including cosmeceuticals [12]. The oceans supply material, new extracts and molecules for active ingredients, excipient or additive, for cosmeceutical formulas that meet the expectations of consumers attracted by natural products [13,14]. Marine organisms that are used in the cosmetics industry are sponges, seaweeds, shark fish, marine turtles, coral, jelly fish and hydras. They produce wide array molecules such as polysaccharides, fatty acids (sophorolipids, rhamnolipids and mannosylerythritol) and proteins that are widely used on the skin. Blue cosmeceuticals consist of a large number of natural compounds isolated from various marine resources [15,16,17]. Seaweeds offer excellent potential contributions for cosmeceuticals due to their valuable substances, sustainability, low cytotoxicity and low allergens [2,5,18].
Seaweeds are macroscopic alga (macroalgae), aquatic, photosynthetic organisms, which lack true roots, leaves and stems. Seaweeds are a primary producer and play a noteworthy role in the marine tropic chain and bioresources of the oceans. They have ecological functions in the marine ecosystem by supplying oxygen to the sea, providing shelter for marine microorganisms and fishes breeding. Their secondary metabolites have effects on intra- and inter-populational interactions for structuring the seaweed population. Some seaweeds absorb heavy metals and pollutants and thus can be applied for the bioremediation to remove pollutants from the water [19,20,21]. Seaweeds have the capacity to survive in the environmental stresses that they are exposed to. They produce organic osmolytes during stress conditions, which also act as antioxidants and heat protectants. Most seaweeds possess antioxidant activities due to their ability to live in stress conditions. Under UV exposure in the intertidal zone, seaweeds, mainly red seaweeds, synthesize UV-absorbing compounds to protect against UV radiation. Thus, red seaweeds are more resistant against UV than terrestrial plants [22,23]. Seaweeds have developed complex and unique metabolite pathways to produce primary and secondary metabolites. Proteins, amino acids, polysaccharides and fatty acids are primary metabolites involved in physiological functions under normal growth conditions. Alkaloid, terpenoid, polyphenolic and halogenated compounds are secondary metabolites which are synthesized by seaweeds during environmental pressure due to exposure to UV radiation, changes in temperature, salinity pollutants or pathogens [10].
Most seaweeds live almost exclusively in the shallow coastal waters at intertidal zones. They live as epiphytes or attach to substrates such as rocks, stones, pebbles, dead corals or other substrates (Figure 1). Seaweeds are found floating and submerged in the intertidal zone of ocean tropical waters to deep sea [10,24]. In the history of humans, seaweeds have been utilized for food, polysaccharide, biofertilizers, cosmetics, papermaking and, recently, as biobased fuels [25,26].
World aquaculture production is dominated by five genera: Saccharina, Undaria, Porphyra, Eucheuma/Kappaphycus and Gracilaria. The species Kappaphycus alvarezii and Eucheuma spp., Saccharina japonica, Gracilaria sp., Undaria pinnatifida, Porphyra (Pyropia) sp. and Sargassum fusiforme represent 98% of the world’s seaweed aquaculture [27,28]. Approximately 150 seaweed species are consumed as human food and about 250 seaweed species are commercially exploited worldwide [29,30]. Seaweeds have demonstrated benefits for human skin health, such as anti-melanogenesis, antiaging, photoprotection, antiwrinkle, moisturizer, anti-inflammatory, anticancer and antioxidant properties, as well as certain antimicrobial activities, such as antibacterial, antifungal and antiviral activities [4,31,32,33]. Molecules from seaweeds have been applied as a cosmetic active ingredient such as mycosporine-like amino acids, pigments and phenolic compounds, while primary metabolites such as agar, alginate and carrageenan are used for the products’ consistency [18]. Hydrocolloids from seaweeds are used as moisturizing and thickening agents for the formulation of cosmetics [34].
The best way to describe the potentialities of seaweed for the cosmetic industry is to start determining valuable bioactive compounds for cosmeceuticals. This review is designed to deliver an overview of the application of red seaweeds for cosmeceuticals by highlighting the main compounds responsible for photoprotective and antiphotoaging products and hydrogels. In addition, the potential and prospects of developing Indonesian red seaweeds for cosmeceuticals are also reviewed. The reference sources were searched by referring to Scopus, Science Direct and Google Scholar using keywords such as red seaweed, red seaweed cosmeceutical, Mycosporine-like amino acids, red seaweed gel, red seaweed polysaccharide, photoprotectant and antiphotoaging. We collected references from 2010 to 2022 from all regions in the world.

2. Red Seaweeds (Rhodophyta)

Seaweeds are classified based on their pigment composition: green (Chlorophyta), brown (Ocrophyta, Phaeophyceae) and red (Rhodophyta). Chlorophyta contain chlorophyll a and b, while Phaeophyta are rich in fucoxanthin and xanthophyll. Rhodophyta contain photosynthetic pigments, such as chlorophyll a, phycobilins, such as R-phycocyanin and R-phycoerythrin, and carotenoids such as β carotene, lutein, zeaxanthin (Figure 2) [35,36,37]. The biodiversity was counted as 1800 species of Phaeophyta, 6200 species of Rhodophyta and 1800 species of Chlorophyta [38].
The red seaweeds (Phylum Rhodophyta) Class Rhodophyceae is a very large group of species that are predominant in marine environments. The biodiversity of red seaweeds is higher than green and brown seaweeds. There are 6000 different species of Rhodophyta that live in the freshwater and marine environment. About 98% of the red seaweed species are marine organisms. They can be found in the intertidal zone, coral reef, tide pools and marine tropical areas. Most red seaweeds play vital roles in the food chain and produce about 40 to 60% of the total global oxygen. The pigment phycoerythrin facilitates some red seaweeds to be able to live in the deep ocean by absorbing blue light waves [39,40]. Our field studies on intertidal zones showed that red seaweeds can be found on rocky beaches. Common species that live in the coastal areas of Indonesia are Gracilaria spp., Laurencia spp., Gelidium spp., Acanthophora spp. and Palmaria spp. (Figure 3).
Red seaweeds have economic value and are worth billions of dollars every year. At least 125 different species of red seaweeds are used worldwide with different applications. It is estimated that, of the 125 species of red seaweed with economic applications, 79 are used as food for human consumption, 33 in agar production and 27 in carrageenan production [39]. Red seaweeds are the major sources of hydrocolloid agar and carrageenan for industrial purposes [41]. Other potential molecules are essential fatty acids, phycobiliproteins, vitamins, minerals and diverse types of secondary metabolites. Red seaweeds have been used as a source of food for thousands of years as they are high in vitamins and minerals and are a rich source of calcium, magnesium, carbohydrates and antioxidants. They are sources of dietary fiber as they have the ability to promote healthy circulation, lower bad cholesterol and regulate blood sugar levels [3,30,42]. They are also involved in nourishing skin, boosting the immune system and contributing to bone health [40]. Secondary metabolites of Rhodophyta are abundant and high in chemical diversity, often used for different applications such as photoprotectant and antiphotoaging products [43].

3. Photoprotectant and Antiphotoaging Properties

UV radiation causes harmful effects to human skin such as erythema, edema, hyperpigmentation, photoaging and skin cancer. Thus, the need to protect human skin has increased the demand of sun protection products that contain UV-absorbing molecules. Natural products have gained considerable attention for use in sunscreen products and have confirmed the trend of natural cosmetics. Seaweeds produce photoprotective substances such as sulfated polysaccharides, carotenoids, polyphenolic compounds and mycosporine-like amino acids [13,16,44]. This review focuses on mycosporine-like amino acids. Red seaweed is one of the natural resources containing an abundance of types of mycosporine-like amino acids, which have shown potential of photoprotection, antiphotoaging and antioxidant properties for safeguarding against the damaging effects of UV radiation exposure.

3.1. Photoprotectant

The ground levels of ultraviolet radiation (UVR) are increasing gradually due to the high pollutant level and reduction of cloud cover in the stratospheric ozone layer [45]. Marine organisms that are exposed directly to the sunlight have evolved multiple photoprotective mechanisms to defend against the high level of UVR such as producing antioxidant compounds, repairing DNA and releasing UV-absorbing compounds [46,47,48]. High exposure of UVR creates the production of reactive oxygen species (ROS), oxidative stress and DNA damage. Marine organisms produce antioxidant compounds by catching free radicals to respond to the ROS [49] and accumulate photoprotective compounds such as mycosporine-like amino acids (MAAs) to absorb UVR [50]. Diverse aquatic organisms including seaweed, cyanobacteria, phytoplankton and marine animals produce MAAs. The photoprotective function of MAAs in marine organisms can be inferred from their efficiency in absorbing ultraviolet-A (320–400 nm) and ultraviolet-B (280–320 nm) radiation due to their high molar absorption coefficients and frequent observations correlating higher MAAs’ concentrations with higher levels of UVR [51,52,53,54].
Mycosporine-like amino acids are group of secondary metabolites with a core structure of a cychlohexenone ring or cyclohexenimine ring. The compounds are of small molecular weight (less than 400 Da), water soluble, colorless, uncharged and are a strong UVR absorber. The UV absorption maximum spectrum of MAAs appears between 310 and 360 nm depending their molecular structure [55]. MAAs also have high molecular absorptivity (ε = 12.400–58.800 M−1·cm−1). MAAs are the strongest UVA-absorbing compounds in nature, and they are also effective against UVB radiations, which explains their potential role in photoprotection. Unique characteristics and bioactivities that have been attributed to MAAs make them good candidates for cosmeceutical applications such as photoprotectant agents [56]. These molecules are excellent UV-absorbing compounds with low toxicity, especially high stability and good antioxidant activity [57,58]. Due to its high water solubility, MAAs are predominantly present and dispersed in the cytoplasm and can be easily extracted using polar solvents ethanol, methanol or in combination with water [59].
The structures of MAAs are varied and classified based on the amino acids substituents and the ring system. The different amino acid substituents into the core structures are the key to the diversity of MAAs. The first group is a cychlohexenone ring with a single modified amino acid and the second is a cyclohexenimine ring which has two amino acid substituents [52]. Organisms’ biosynthesis of MAA is through the shikimate pathway or pentose phosphate pathway. In the shikimate pathway, the parent molecule 3-deoxy-D-arabinoheptulosinate 7-phosphate (DAHP) produced 3-dehydroquinate (3-DHQ) through 3-dehydroquinate synthase (DHQS) and it is transformed into gadusol and then into 4-deoxygadusol (4-DG). In the pentose phosphate pathway, the sedoheptulose 7-phosphate (SH 7P) yields 4-deoxyadiosol (4-DG) [60]. Harsh environment and UV light induce the biosynthesis of a wide array of MAAs as a natural sunscreen and antioxidant.
Red seaweeds are considered the most productive and rich sources for MAAs; thus, they are considered as promising sources of MAAs for the cosmeceutical industry, especially by their photoprotection capacity. A comprehensive study by [55] concluded that there are 572 species of seaweeds that produce MAA, primarily found in Rhodophyta (486 species), Chlorophyta (45 species) and Phaeophyta (41 species). The content of MAAs is varied in different species of red seaweeds. Genus Gracilaria is the source of different types of MAAs. Gracillaria birdiae and G. domingensis produce shinorine, palythine and porphyra 334, while G. tenuispitata produces the same compounds with the addition of asterina 330 and palythinol [61]. Gracilaria confervoides as well as Gelidium amansii were reported to contain gadusol, shinorine palythine porphyra-334, palythenic acid and three unknown MAAs detected at 328, 330 and 331 nm. Analysis of Bangia fuscopurpurea yielded shironine, palythine, porphyra-334 and palythenic acid [62]. Palmaria palmata or Dulse is an edible seaweed and source of shinorine, palythine, asterina-330, porphyra-334, usujirene and palythene based on analysis by employing shinorine, palythine, asterina-330, porphyra-334, usujirene and palythene [63]. Determination of MAAs from 23 species of red seaweeds of Australia found that shinorine, palythine, asterina-330 and porphyra-334 are the most common MAAs in all species. In addition, there are a few red seaweeds that produce aplysiapalythine A, mycosporine-glycine, mycosporine-alanine-glycine, aplysiapalythine B, mycosporine-methylamine-threonine, usujirene and palythine [52]. Other studies on red seaweeds have identified different types of MAAs such as palythene, catenelline, mycosporine-2-glycine, palythenic acid, palythinol, prasiolin and bostrychines A–F. Some seaweeds produce specific types of MAAs such as aplysiapalythine A, aplysiapalythine B (Gigartina macrocarpa, Pyropia columbina, Porphyra umbilicalis), catenelline (Catenella repens) and bostrychines A–F (Bostrychia calliptera) [50,62,64,65]. The list and structure of MAAs from red seaweeds are presented in Table 1 and Figure 4.
The chemical diversity and the accumulation of MAAs in seaweeds depend on different parameters such as water depth, harvest time, nutrient availability, pH, temperature and irradiation [66,67]. The exposure to solar radiation is correlated to the highest concentration of MAAs. Intertidal seaweed at low latitudes contains high MAAs concentration rather than species inhabiting the subtidal zone and a high latitude. Intertidal seaweeds are exposed to a variety of abiotic and biotic factors which cause chemical diversity not only between individuals but also within individuals [68]. Extensive studies on the content of MAAs in red seaweeds have classified three groups of red seaweed-producing MAAs. The first group, including 65 species, belong to order Balliales, Ceramiales, Corallinales, Nemaliales and Rhodymeniales, exhibited low total MAAs contents (<1 mg/g DW). A second group with a higher concentration of total MAAs (1~2 mg/g DW) consists of 52 species. The last group, including 216 species and the orders Bangiales, Gelidiales, Gigartinales and Gracilariales macroalgae, showed the highest total MAAs (>2 mg/g DW) [55]. Several research studies showed the variation of the level of MAAs in species of red seaweeds. The endemic red seaweed of New Zealand Pyropia plicata produced porphyra-334 and shinorine with the total amount varying between 8.4 and 13.7 mg/g DW [69]. Chondracanthus chamissoi (Gigartinales) and Gelidium lingulatum (Gelidiales) from the southeast Pacific coast yielded shinorine and palythine in both species ranging from 0.8 to 6.8 mg/g [70]. Porphyra umbilicalis is a potential producer of MAAs which has been used in commercial sunscreen products Helioguard 395 and Helinori due to photoprotective and antiaging activities. The concentrations of MAAs of Porphyra umbilicalis (5.2 ± 0.40 mg/g DW) consist of myc-glutamine, palythine, palythinol, asterina-330, shinorine and porphyra-334 [71]. Porphyra umbilicalis from the southern Iberian Peninsula produced >10 mg/g DW of MAAs (asterina-330, palythine, palythinol, shinorine and porphyra-334). Asterina-330 and porphyra-334 represented 72% and 23% of the total MAAs, respectively [72]. Six types of MAAs (palythine, asterina-330, porphyra-334, mycosporine-glycine, mycosporine-alanine-glycine and aplysiapalythine B) were detected in P. umbilicalis collected from Heligoland, Germany. The concentration of mycosporine-glycine was reported as 10.21 ± 0.24 mg/g DW [73]. The methods and solvent systems for extracting MAAs from red seaweeds contribute to the yields of MAAs [62].
The chemical diversity of MAAs in red seaweeds differs in one species in response to geographic regions. The investigation of Bostrychia calliptera revealed a different phytochemical profile corresponding to three categorized lineages. The first lineage was found in North and South America and Australia. Lineage 2 was found in Australia and Southeast Asia and lineage 3 was encountered in Central and South America. The contents of MAAs in samples of each lineage are presented in Table 2. Therefore, the type of MAAs could be varied within the species in different spatial distributions [74].
Seasons have contributed to the level of accumulation of MAAs in wild seaweeds. Three species of sub-Antarctic seaweeds, Nothogenia fastigiate, Iridaea tuberculosa and Corallina officinalis, exhibited the highest MAA content in different seasons of the year. The highest content of MAAs (>1 mg/g) was detected in N. fastigiata collected during spring and I. tuberculosa during winter. The calcareous C. officinalis showed the lowest total of MAAs not exceeding 0.4 mg/g during summer. Porphyra-334 was the main component in N. fastigiata, whereas I. tuberculosa and C. officinalis exhibited a high content of palythine [75]. The low amount of MAAs in C. officinalis was associated with the cell wall containing calcium carbonate, which effectively reduces the absorption level of UV radiation [76]. A survey of three red intertidal seaweeds from New Zealand showed that Bostrychia arbuscula and Schizymenia spp. produced higher MAA concentrations in summer, while Champia novae-zelandiae displayed the lowest level of MAAs in summer [77]. The different seasonal dynamics in MAAs’ accumulation is not specifically related to the seasonality of solar radiation but to the variation of environmental conditions at local levels. The results occurring in natural conditions revealed a high seasonal variability that can be related to a combination of environmental parameters, including light, nutrients, temperature, salinity and pH, which may have synergistic or antagonistic effects. The total MAAs content was significantly influenced by the increase in light and irradiance. A study reported the changes in MAAs composition of the red edible seaweed Palmaria palmata with the higher MAAs content occurring in April and May, due to the light increase [78]. Increasing light and irradiance also directly affected MAAs content in Palmaria palmata, Chondrus crispus and Palmaria dioica during the spring season [51].
The nutrient availability could have a significant influence on MAAs since their synthesis seemed to be limited in summer, despite significant exposure to light. A positive relationship between N availability and accumulation of photoprotective compounds, such as mycosporine-like amino acids (MAAs), has been reported in different species of red seaweed. MAAs content in Gracilaria tenuistipitata increased up to eightfold with the gradual addition of NO3 to a concentration of 0.5 mM [79]. Agarophyton vermicullophylum from Portugal produced high MAAs content in spring, due to the nitrogen (N)-enriched waters [80]. The study of carrageenan-producing red seaweed Mazzaella laminarioides revealed that the highest MAAs content is available with the supply of NO3. Four MAAs were identified from M. laminaroides: asterina-330, shinorine, palythine and mycosporine-glycine, while the accumulation of shinorine and palythine varied according to NO3 supply [81].
MAAs possess multiple roles to aid against environmental stress conditions such as osmotic regulation, desiccation, control reproduction, nitrogen reservoir, thermal and salt stresses and toxicity by heavy metals [22,23,82,83]. MAAs from red seaweeds are reported as versatile metabolites with multiple functions including antioxidant, anti-inflammatory, antiaging, anticancer, and wound healing properties [63,84,85,86]. Investigation of porphyra-334 isolated from Porphyra yezoensis exhibited a protective effect on human skin fibroblasts against exposure to UV-A radiation by increasing cell viability up to 88%. Based on the dose-dependent manner similar to 40 µM, porphyra-334 also inhibited the intracellular accumulation of ROS in human skin fibroblasts damaged by UVA-induced oxidant stress [87]. Orfanoudaki et al. [88] provided evidence of the ability of shinorine, porphyra-334, mycosporine-glycine-alanine and bostrychine B from Bostrychia scorpioides to stimulate human keratinocyte migration in vitro. All tested MAAs in two concentrations of 1 µM and 10 µM showed significant migration and narrowing of the scratch area after 24 h (p < 0.05). The interaction between MAAs with human keratinocytes indicates wound closure ability. Palythine isolated from Chrondus yendoi provided protection from UVR-induced ROS production and exhibited antioxidant properties. Palythine showed significant activity (p = 0.004) compared with established antioxidant Trolox (29.1%) and asorbic acid (34.8%). Palythine also significantly reduced the SSR-irradiated (20 J cm−2) production of oxidizing species in Ha-CaT immortal human keratinocytes [89].
Mycosporine-like amino acids are a large family of natural UV-absorbing compounds. The significant diversity of MAAs has attracted attention since they can provide a wide range of advantages in cosmeceutical applications as photoprotectants, antiphotoaging compounds, cell proliferation activators, anti-inflammatory or anticancer agents and skin cell renewal stimulators (Figure 5). Interest in MAAs for cosmeceutical applications has been growing in the past decades [83]. Moreover, the pharmacological activities such as antibacterial, anticancer, antiviral and anti-allergic properties are promising for application in the biomedical field [90].

3.2. Antiphotoaging

Skin aging is a natural biological process that causes wrinkles, dark spots, a decrease in skin elasticity, skin dullness and skin roughness [91]. Ultraviolet radiance is an extrinsic factor that induces a high production of reactive oxygen species (ROS) that can promote premature skin aging [92]. Ultraviolet radiation decreases skin elasticity due to collagen degradation [93]. Recent research has concentrated on marine-derived natural products as a promising source of natural bioactive molecules and some UV-absorbing compounds. Seaweed compounds are being discovered as potential new natural sunscreens, photoprotectants and antiphotoaging agents [94,95]. The use of photoprotective agents is primarily responsible for postponing the effects of photoaging by reducing the negative effects of free radicals [94]. The various categories of natural antiaging ingredients include moisturizing agents, antioxidants, sunblock ingredients, vitamins, hydroxy acids and skin-lightening agents [8].
The rising of interest in the usage of marine components over the last decades can be observed in the preliminary analysis of the presence of these ingredients in all 293 antiaging cosmetics under study, representing a total of 40 brands. Extracts from red seaweeds Kappaphycus alvarezii and Chondrus crispus are the “top 3” marine components. Chondrus crispus has been used since 2011, and Kappaphycus alvarezii application has increased in use since 2018 [95]. Kappaphycus alvarezii and Acanthophora spicifera extracts used in textile face masks for antiaging applications were reported in the cosmetic sector [96].
Red seaweed’s compounds that have potential as sources of antiphotoaging agents are carrageenan, mycosporine-like amino acids and phenolic compounds [84,93,97,98]. Carrageenan indicated potential antiphotoaging properties that were mediated by intracellular reactive oxygen species (ROS) scavenging activity [99]. Carrageenan activities correlate with the modulations of inflammatory responses. Modulation of inflammatory responses and antioxidant activities of carrageenan play an important role in antiphotoaging activities [98]. Carrageenan is also used to moisturize the skin. Moisturization is the first step in protecting the skin from aging. It contributes to the preservation of its appearance and to the elasticity of the skin [34].
Polyphenols act as reducing agents to protect the body’s tissues against oxidative stress. The antioxidant activity of seaweed polyphenols was found to be correlated with phenolic compounds and flavonoids, indicating their roles as free radical scavengers and ferric ion-reducing agents [100,101]. Antioxidant activity can be evaluated using a 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging assay. Some red seaweeds possess antioxidant activity. An ethyl acetate extract of G. changii showed a DPPH radical scavenging effect EC50 of 0.51 ± 0.09 mg/mL, total phenolics content (TPC) was 21.57 ± 2.58 mg/g PGE, total flavonoids content (TFC) was 200.87 ± 3.61 mg/g RE and total carotenoids content (TCC) was 7343.59 ± 148.65 µg/g BE [101]. Ethanol: dH2O (4:1) extracts of Gracilaria corneum and Osmundea pinnatifida showed DPPH assays with a result of 4 µmol/g DW [71]. Antioxidant activities were measured from an extract of Halymenia durvillaei and determined by ferric reducing antioxidant power (FRAP) and trolox equivalent antioxidant capacity (TEAC) assays. The results from the FRAP and TEAC assays were 182.29 ± 13.35 µM/mg dry extract and 1.67 ± 0.04 mM/mg dry extract [100].
The major phenolic acids such as gallic acids, protocatechuic acid, chlorogenic acid and gentisic acid that are useful as antiaging agents have been identified in the extracts of Palmaria palmata, Porphyra purpurea, Chondrus crispus, Mastocarpus stellatus, Gracilaria vermiculophylla and Polysiphonia fucoides [102]. Gallic acid reduced skin dryness and wrinkle formation by inhibiting MMP (matrix metalloproteinase)-1 secretion and regulating elastin, type I procollagen and transforming growth factor-1 [103]. Protocatechuic acid has been reported to be high in antioxidants. Protocatechuic acid has potential as an antiwrinkle and antiaging agent. Protocatechuic acid showed the ability to encourage the production of type 1 collagen in human dermal fibroblasts [104]. Chlorogenic acid is well-known for its ability to face oxidative stress. By reducing ROS levels, chlorogenic acid has the potential to be utilized as a substance that prevents aging [105]. The DPPH scavenging activities (EC50, µg/mL) of Palmaria palmata, Porphyra purpurea, Chondrus crispus, Mastocarpus stellatus, Gracilaria vermiculophylla and Polysiphonia fucoides extracted with ethanol were 1166.7 ± 18.0 µg/mL, 1233.3 ± 24.0 µg/mL, 1000.0 ± 25.0 µg/mL, 1366.7 ± 33.0 µg/mL, 1033.3 ± 2.6 µg/mL and 7.5 ± 1.4 µg/mL. On the other hand, EC50 aqueous extracts were 571.4 ± 11.4 µg/mL, 729.1 ± 80.0 µg/mL, 530.7 ± 27 µg/mL, 1500 ± 19.3 µg/mL, 166.7 ± 17.0 µg/mL and 111.4 ± 2.2 µg/mL [102].
Flavonoids are used in antiaging treatments because they have antioxidant and antiaging properties. Flavonoids help to increase skin hydration, skin elasticity and collagen content [106]. Jania rubens extract contains two such anthocyanins (malonylshisonin and 4′-demalonylsalvianin), which belong to the class of flavonoids. Anthocyanins potentially give protection from UV radiation, reduce the appearance of skin aging and inhibit inflammatory and lipid peroxidation [97]. Table 3 shows antiphotoaging agents from red seaweed and the structure of antiphotoaging compounds from red seaweed are presented in Figure 6.
The biodiversity of seaweeds in Indonesia has not been fully explored and identified for economic value and utility in human life. In the survey on Indonesian seaweed biodiversity, we identified that red seaweeds might be potential MAAs-producing and antiphotoaging species. Red seaweeds were collected from the coastal area of Indonesia including Gunungkidul and Nusa Tenggara Timur [120,121]. The biodiversity of Indonesian red seaweeds is presented in Figure 7. The potential of Indonesian red seaweeds as sources of photoprotective and antiphotoaging compounds is compiled in Table 4.

4. Hydrogel

The majority of the primary metabolites found in seaweed, which count for about 60% of cell weight, are polysaccharides. Carbohydrates showed various biological activities against skin disorders including hyperpigmentation, wrinkles, dry skin disorders, skin inflammation and skin cancer [134]. The primary component of polysaccharides is a chain of monosaccharides connected by glycosidic linkages. The majority polysaccharides from red seaweeds are sulphated galactan, agar, carrageenan and porphyran with a primary structure composed mainly of galactose units with varying degrees of sulfation [3]. Red seaweeds contained types of sulfated polysaccharides, which are used in the cosmeceutical industry and act as an antiaging, anti-inflammatory, antiredness/anticouperose, antimicrobial, antioxidant, moisturizing, protective and sunscreen agents [135]. Natural sulfated polysaccharides are non-irritant and are recommended for use in anti-acne, decorative cosmetics, sun care, skincare and antiaging products. Polysaccharides from red seaweeds offer a variety of applications in the food and cosmetic industries [135]. In the present studies, sulfated polysaccharides significantly reduced intracellular ROS (reactive oxygen species) levels and they also improved the survival of UVB-irradiated cells in vitro in human skin in a dose-dependent manner [136]. These substances often function as moisturizing and antioxidant components in cosmeceuticals [32]. Table 5 and Figure 8 show polysaccharides from red seaweed that are used for cosmeceutical purposes.

4.1. Agar

Agar is a hydrophilic compound formed of agarose and agaropectin derived from many species of red seaweeds. In the pharmaceutical field, agar is used as a thickening agent and as a component of tablets or capsules that contain and release medications [5]. Gelidium spp. and Gracilaria spp. (Figure 9a.) are the most popular seaweeds used for the industrial production of food-grade agar [137]. Agar can be used to regulate the viscosity and emollience of cosmetic products. As a substitute for cocamide DEA (diethanolamine), agar from Gracilaria sp. has a gelling ingredient that can have a thickening effect on some products, including liquid bath soap. In the cosmetic industries, agar is frequently used as a key component in creams, as an emulsifier and stabilizer, and to regulate the moisture content in cosmetic products such as hand lotions, deodorants, foundations, exfoliants and scrubs, cleansers, shaving creams, antiaging products, facial moisturizers, liquid soaps, acne treatments, body washes and facial powders [32].

4.2. Carrageenan

Carrageenans are polysaccharides that are isolated from various families of the Gigartinales order (Betaphycus gelatinum, Chondrus crispus, Eucheuma denticulatum, Gigartina skottsbergii, Kappaphycus alvarezii, Hypnea musciformis, Mastocarpus stellatus, Mazzaella laminaroides, Sarcothalia crispate). These polygalactans are sulfated and contain a linear structure made of alternating galactose and glucose residues. From a commercial point of view, kappa, iota, and lambda are the three main forms of extracted carrageenan that are significant. Iota, kappa, and lambda carrageenans are viscosifiers and gelling carrageenans, respectively [32]. The primary source of kappa-carrageenan is the tropical seaweed Kappaphycus alvarezii or Eucheuma cottonii (Figure 9b), which is grown for food and is also referred to as “cottonii” in the trade. The primary species for the production of iota-carrageenan is Eucheuma denticulatum (also known as “spinosum” in trade). Under the trade name “IrishMoss”, many species of the genera Gigartina and Chondrus are used to produce lambda-carrageenan [138]. Indonesia produces the largest amount of carrageenan seaweed worldwide and the species Kappaphycus sp. and Eucheuma sp. have been cultured for decades [139,140]. Carrageenan plays significant roles in the cosmetic industry as a thickener, stabilizer and water-binding agent in cosmetic products. Their diverse biological activities make them suitable for use as active ingredients because of their antioxidant, photoprotective, antiaging properties, and antimelanogenic property is important for cosmeceutical agents [134,141,142]. The carrageenans (kappa, iota, and lambda) exhibited photoprotective properties in UVB-induced human keratinocytes (HaCaT) cells. Carrageenan significantly reduced the production of reactive oxygen species (ROS) and protected against the negative effects of UVB-induced apoptosis. Excess ROS buildup has been linked to various skin conditions, including cancer and aging of the skin. Antioxidants are typically thought of as protective measures against UV-related skin disorders as a result [143]. In HaCaT cells and mouse embryonic fibroblasts (MEFs), the antioxidative and photoprotective properties of a compound of κ -COSs and collagen peptide (CP) were shown. Through lowering the level of intracellular ROS, a compound of κ -COSs and CP (100 g/mL) may considerably attenuate UV-induced cell death and apoptosis in HaCaT and MEF. By inhibiting the mitogen-activated protein kinases (MAPKs) signaling pathway, a compound of κ -COSs and CP largely prevented the UV-induced decrease of type 1 pro-collagen and rise in MMP-1. A compound of CP and κ -COSs may have photoprotective properties against skin aging when used together [144].

4.3. Porphyran

Porphyran is a polisaccharide produced by Porphyra spp. The linear structure of the porphyran is composed of units of glycosidically substituted -D-galactopyranose at carbon 3 and -L-galactopyranose at carbon 4 in a repeated alternating disaccharide arrangement. Porphyran is a galactose that has undergone 6-O-sulfation of L-galactose units and 6-O-methylation of D-galactose units to a significant extent [3]. The main element of Porphyra is porphyran, a water-soluble sulfated polysaccharide found in the intercellular spaces and cell walls. Numerous studies have discovered various compositions and structures of porphyran obtained from various Porphyra species with interesting medicinal effects [145]. Porphyrans are used as a gelling agent, dietary supplement, antioxidant, and anti-allergic agent. They also exhibit tyrosinase inhibitory activity (the skin-whitening effects of red seaweed), protection from ultraviolet-B radiation, anti-inflammatory, antioxidant, and anticancer activity [5,134]. Porphyra yezoensis is used in cosmetic formulations by activating the NF-jB-dependent signal transduction pathway and downregulating the expression of inducible nitric oxide synthase (iNOS); it can decrease NO generation in LPS-induced RAW264.7 cells [146].

4.4. Galactan Sulfate

Complex galactans are also D/L-hybrids with galactose sugar substituted by other monosaccharides such as mannose, glucose, xylose and arabinose, as well as charged residues in the form of sulfate, methoxyl and pyruvic acid [147]. Galactans from red seaweeds are applied as gelling or thickening agents in cosmetic products [137,148].
Table 5. Polysaccharides from red seaweeds.
Table 5. Polysaccharides from red seaweeds.
SpeciesPolysaccharidesCosmetic BenefitsReferences
Neopyropia yezoensisPorphyranAnti-inflammatory, antioxidant, antiaging [149]
Halymenia durvilleiSulfated polysaccharidesAntiaging and antiwrinkle[110]
Gracilaria corticataSulfated polysaccharidesAntioxidant [115]
PorphyrayezoensisPorphyranAnti-inflammatory [146]
Eucheuma denticulatumCarrageenanAntioxidant, photoprotection[143]
Acanthophora muscoidesSulfated polysaccharides Carrageenan Anticoagulant, antinociceptive,
anti-inflammatory, gel agents
[150]
Chondrus crispusCarrageenanGel and thickening agent, skin moisturizer[151]
Gracilaria chouae,
G. blodgetti
AgarAntioxidant, thickeners antitumor, radiation protector, antiaging[137]
Acanthophora muscoidesCarrageenan Anticoagulant, anti-inflammatory, gelling agents[32]
Pyropia yezoensisPorphyranAntioxidant and anti-inflammatory[32]
Gigartina skottsbergiiGalactan sulfateAntioxidant[152]

5. Prospects for Indonesia

Indonesia is one of the megadiversity countries in world and the diversity of Indonesian marine life is bountiful. The Indonesian coastal zone is rich in tropical marine ecosystems such as estuarial beaches, mangroves, coral reefs, seagrass and seaweeds. The high level of biodiversity of the Indonesian fauna and flora provides opportunities for diversification of production. This provides opportunities for a wide range of species to be produced in aquaculture. The diversity of Indonesian seaweeds is abundant and red seaweeds are more diverse than green and brown seaweeds [120,121]. To date, only a few species of red seaweeds in Indonesia have been used for economic benefits as producers of phycocoloid compounds. Carragenophyte species Kappaphycus alvarezii, K. striatus, Eucheuma denticulatum and E. cottonii are cultured in coastal areas in 10 provinces in Indonesia [153]. Gracilaria spp. and Gelidium spp. are cultured in Indonesia for producing agar. Most Gracilaria culture is undertaken in brackish water ponds, usually in polyculture with milkfish, shrimp or other species [154]. Carragenan and agar are raw materials widely used in the food, pharmaceutical, cosmetic and biotechnology industries. Indonesia is one of the big five global producers of the red seaweeds Kappaphycus spp. and Eucheuma spp. and is a major producer of Gracilaria sp. worldwide [155]. Seaweeds aquaculture is a part of livelihood to increase household income in the coastal areas of Indonesia (Figure 10).
Marine biodiversity provides promising sources of active compounds for cosmeceutical purposes. Among them, seaweeds represent a sustainable and renewable resource, gaining increasing attention for cosmeceutical applications. This review presents species of Indonesian red seaweeds’ potential as a producer of mycosporine-like amino acids and hydrogels. The general pattern of MAAs’ accumulation is a very variable and species-specific mechanism. These studies consider which species could potentially produce MAAs in a high concentration from different environments. There are a few steps for developing red seaweeds for cosmeceuticals in Indonesia. First, research on Rhodophyta is fundamental to expedite the opportunity to discover new chemical entities from Indonesia Rhodophyta. The results of this research will contribute to the selection of potential red seaweeds for further development. The existing potential will be utilized for the diversification of seaweed cultivation and development of industrial materials. Second, the introduction of potential seaweed cultivation farming through program socialization and seaweed farmer assistance is required. Third, the involvement of government and industry for application is needed.
Indonesia is a potential global and local market for cosmeceutical products. Revenue of the beauty and personal care market in Indonesia was about 7 billion USD in 2020. The Statista Consumer Market Outlook estimates that the number is predicted rise to roughly 9.6 billion USD by 2025 [156]. Skincare is one of the most profitable product categories, as it is projected to generate roughly 177 billion USD in 2025. Therefore, cosmeceuticals for photoprotectant and antiphotoaging effects and moisturizers are a potential market. Application of MAAs from red seaweed in cosmeceutical products is expected to increase due to their excellent properties as natural UV photoprotectors, such as high photo- and thermo-stability and the lack of oxidant photoproducts after UV absorption. In addition, in Muslim countries, most consumers will check products for the “halal” label, meaning that they comply with Islamic law and do not contain pork or derivates. Cosmeceuticals from seaweed meet the criteria of being halal, natural, safe, nontoxic and allergen-free.

6. Conclusions

The interest in seaweeds for cosmeceuticals is increasing since lifestyle has become influenced by being “back to nature” and the demand for natural resources for health and life have increased. Cosmeceutical industries are exploring natural products and discovering new compounds derived from natural products due to consumers’ preference for natural cosmeceuticals. The advantages of seaweeds as natural resources are that they are rich in valuable cosmeceutical agents, versality, have many functions and sensory properties for skin care, have a wide distribution and are renewable resources. Seaweed provides natural compounds which can be used as ingredients, as additives, and as active agents in the formulation of skincare products. This review shows the importance of red seaweed-derived compounds in cosmeceuticals as photoprotectant agents, antiphotoaging agents and as source of hydrogels. Even though hydrocolloids from red seaweeds have already been used, mainly as thickening or gelling agents, they have a lot more unexplored potential, especially as sunscreens due to their photoprotectant and antiphotoaging effects. Natural compounds from seaweeds are effective and safe to be used in cosmeceuticals. Further studies are important to understand the mechanisms of actions of these compounds. In order to improve the quality of cosmetic products, more clinical trials have to be carried out to determine skin absorption, irritation, genetic and phototoxicity and allergen contents. Natural products have been proven characteristically safe and effective for various effects such as antiaging, antioxidant and UV-protective effects. They are abundant and sustainable in nature. The review clearly indicates that Rhodophyta are rich sources of MAAs with a UV-protective effect and antioxidant activity. Therefore, Rhodophyta is an excellent treasure trove for sunscreen and antiphotoaging applications.
Indonesia is one of the big five producers of seaweeds worldwide. Research on the optimization of seaweed diversity for utilization as food, feed, pharmaceuticals and cosmeceuticals is important to maximize the potential of red seaweed in Indonesia for improving economic value. There are still large opportunities to explore MAAs from seaweed as antiphotoaging agents in the skincare and cosmetic industries. Furthermore, more studies need to be carried out on the sustainable culture of seaweeds and their optimization in order to obtain an optimal content of MAAs.

Author Contributions

Conceptualization, N.K.; methodology, N.K. and M.U.; validation, N.K. and M.I.D.M.; formal analysis, M.U., O.I., A.N.H. and M.I.D.M.; investigation, M.U., O.I. and A.N.H.; resources, N.K.; data curation, N.K. and M.I.D.M.; writing—review and editing preparation, N.K., M.U., O.I. and A.N.H.; writing—original draft, N.K. and M.I.D.M.; visualization, M.U., O.I. and A.N.H.; supervision, N.K. and M.I.D.M.; project administration, M.U.; funding acquisition, N.K. All authors have read and agreed to the published version of the manuscript.

Funding

This research and the APC were funded by PDUPT batch 2 Indonesian Ministry of Education and Universitas Gadjah Mada Grant contract number 193/E5/PG.02.00.PT/2022; 2689/UN1/DITLIT/Dit-Lit/PT.01.03/2022.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

Not applicable.

Acknowledgments

The authors would like to thank to Universitas Gadjah Mada and the Indonesian Ministry of Education for providing grant PDUPT 2022 batch 2.

Conflicts of Interest

The authors have no conflict of interest to disclose. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.

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Figure 1. Red seaweeds grow on (a) rocky substrate and (b) float in water.
Figure 1. Red seaweeds grow on (a) rocky substrate and (b) float in water.
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Figure 2. Pigments of Rhodophyta.
Figure 2. Pigments of Rhodophyta.
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Figure 3. The diversity of red seaweeds and potential applications for cosmeceuticals.
Figure 3. The diversity of red seaweeds and potential applications for cosmeceuticals.
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Figure 4. Structure of MAAs from red seaweed.
Figure 4. Structure of MAAs from red seaweed.
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Figure 5. Mycosporines and the applications for cosmeceuticals.
Figure 5. Mycosporines and the applications for cosmeceuticals.
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Figure 6. Structures of antiphotoaging compounds from red seaweeds.
Figure 6. Structures of antiphotoaging compounds from red seaweeds.
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Figure 7. Red seaweed species from Indonesia with potential photoprotectant and antiphotoaging properties. (a) Acanthophora spicifera; (b) Ahnfeltiopsis sp.; (c) Amansia sp.; (d) Amphiroa sp.; (e) Dichotomaria marginata; (f) Ganonema sp.; (g) Eucheuma cottonii; (h) Gelidiella acerosa; (i) Gymnogongrus sp.; (j) Hypnea sp.; (k) Eucheuma spinosum; (l) Gelidium sp.; (m) Galaxaura sp.; (n) Gracilaria sp.; (o) Jania rubens; (p) Laurencia sp.; (q) Mastocarpus stellatus; (r) Palmaria palmata.
Figure 7. Red seaweed species from Indonesia with potential photoprotectant and antiphotoaging properties. (a) Acanthophora spicifera; (b) Ahnfeltiopsis sp.; (c) Amansia sp.; (d) Amphiroa sp.; (e) Dichotomaria marginata; (f) Ganonema sp.; (g) Eucheuma cottonii; (h) Gelidiella acerosa; (i) Gymnogongrus sp.; (j) Hypnea sp.; (k) Eucheuma spinosum; (l) Gelidium sp.; (m) Galaxaura sp.; (n) Gracilaria sp.; (o) Jania rubens; (p) Laurencia sp.; (q) Mastocarpus stellatus; (r) Palmaria palmata.
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Figure 8. Chemical structures of agar, iota carrageenan, kappa carrageenan, lambda carrageenan and porphyran.
Figure 8. Chemical structures of agar, iota carrageenan, kappa carrageenan, lambda carrageenan and porphyran.
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Figure 9. (a) agarophyte (Gracilaria sp.) and (b) caragenophyte (Eucheume spp.) from Indonesia.
Figure 9. (a) agarophyte (Gracilaria sp.) and (b) caragenophyte (Eucheume spp.) from Indonesia.
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Figure 10. Activities of seaweed farming (Eucheuma spp. and Halymenia spp.) in Bali, Indonesia.
Figure 10. Activities of seaweed farming (Eucheuma spp. and Halymenia spp.) in Bali, Indonesia.
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Table 1. Mycosporine-like Amino Acids (MAA) from red seaweed.
Table 1. Mycosporine-like Amino Acids (MAA) from red seaweed.
MAAλmax (nm)m/z
4-deoxygadusol268174.05
Gadusol 269205.07
Mycosporine-taurine309295.07
Mycosporine-glycine310245.09
Mycosporine-alanine-glycine310259.11
Mycosporine-serine310275.12
Palythine320244.11
Bostrychines A322315.14
Bostrychines C322316.13
Prasiolin 324333.11
Mycosporine-methylamine-threonine328304.16
Asterina-330330288.13
Palythinol332302.15
Aplysiapalythine A332289.14
Aplysiapalythine B332273.14
Bostrychines F332360.15
Bostrychines E333371.17
Mycosporine-2-glycine334306.14
Porphyra-334334364.14
Shinorine334332.12
Catenelline334382.1
Bostrychines B335417.17
Palythenic acid337332.16
Bostrychines D337418.16
Usujirene357284.14
Palythene360284.14
Table 2. Biogeography distribution of MAAs from Bostrychia calliptera.
Table 2. Biogeography distribution of MAAs from Bostrychia calliptera.
LineageGeographyMAAs
1North America, South America, AustraliaUnpurified MAAs detected at 332 and 308 nm
2Australia, Southeast AsiaPalythine-threonine
3Central and South AmericaPalythine-threonine, Porphyra-334
Table 3. Antiphotoaging agents of various red seaweeds.
Table 3. Antiphotoaging agents of various red seaweeds.
SpeciesCompoundActivityReferences
Gracilaria lemaneiformisPolysaccharidesAntiaging [107]
Porphyra yezoensisPYP1–5; Porphyra-334
Extract
Antiphotoaging
Remediate skin aging
[87]
[57]
Porphyra umbilicalisExtract; polyphenols Antioxidant,
Antiaging properties
[71,108,109]
Gelidium corneumEthanol:dH2O (4:1) extractAntioxidant [71]
Osmundea pinnatifidaEthanol:dH2O (4:1) extractAntioxidant [71]
Porphyra teneraPorphyra-334; shinorine Antiphotoaging[93]
Jania rubensMalonylshisonin;
4′′′-demalonylsalvianin
Antiaging [97]
Flavonoid Antiwrinkle[97]
Halymenia durvilleiSulphate polysaccharides
Methanol extract
Antiaging and
antiwrinkle
[100,110,111]
Corallina piluliferaMethanol extractAntiaging [112]
Porphyra columbinaPhenolic extractsPhotoprotectant, antiaging[113]
Gigartina skottsbergiiPhenolic extractsPhotoprotectant, antiaging[113,114]
Sarcothalia radulaPhenolic extractsPhotoprotectant, antiaging[113]
Gigartina chamisoiExtracts Antioxidant, antiaging[114]
Gigartina radulaExtractsAntioxidant, antiaging[114]
Gigartina chilensisExtractsAntioxidant, antiaging[114]
Gracilaria changiiPolyphenol Antioxidant [101]
Gracilaria corticataSulfated polysaccharide
(galactose)
Antioxidant [115]
Polysiphonia fucoidesPhenolic from ethanolic extract Antioxidant[102]
Furcellaria lumbricalisAqueous extractAntiaging [116]
Gracilaria birdiaeApigenin and gallic acid Antioxidant [117]
Gracilaria corneaApigenin and gallic acid Antioxidant [117]
Gracilaria birdiaeSulfated polysaccharide Antioxidant [118]
Pyrophia haitanesisPorphyrin Antioxidant; antiaging[119]
Gelidium sesquipedaleExtract Restoring elasticity and softness[109]
Corallina officinalisExtractAntioxidant; antiaging[109]
Palmaria palmata, Porhyra purpurea, Chondrus crispus, Mastocarpus stellatus, Gracilaria vermiculophyllaGallic acid, Protocatechuic acid, chlorogenic acids, gentisic acidAntiaging [102]
Table 4. Red seaweeds of Indonesia as potential MAAs producers.
Table 4. Red seaweeds of Indonesia as potential MAAs producers.
Rhodophyta CollectionType of MAAReferences
Acanthophora speciferaAS, MG, PE, PL, PR, PI[122]
Ahnfeltiopsis sp.AS, PI, SH[123]
Amansia sp.AS, PR, PI, SH[55]
Amphiroa sp.PI, SH [124]
Dichotomaria marginataAS, PI, SH[55]
Eucheuma sp.PR[125]
Galaxaura sp.PR, SH[122]
Ganonema sp.PR, SH[122]
Gelidiella acerosaAS, PR, PI, SH[122]
Gelidium sp. AS, PL, PR, PI, SH [126]
Gracilaria sp.AS, MG, PE, PL, PR, PI, SH, US, PA[62,127,128,129]
Gymnogongrus sp. APA, APB, AS, M2G, MGV, MG, MMT, PE, PI, PGA, PS, PL, PR, SH, US[130]
Hypnea sp.AS, MG, PR, PI, SH[131]
Jania rubensAS, MG, PR, PI, SH[55]
Laurencia sp.AS, MG, PR, PI, SH, PL, US[131,132]
Mastocarpus stellatusAPA, AS, MAG, PL, PR, PI, SH, US[52,73,133]
Palmaria palmataAS, MG, PE, PL, PR, PI, SH, US[63,78]
AS: Asterina-330, APA: Aplysiapalythine A, APB: Aplysiapalythine B, M2G: Mycosporine-2-glycine, MGV: Mycosporine-glycine-valine, MAG: Mycosporine-alanine-glycine, MG: Mycosporine-glycine, MMT: Mycosporine-methylamine threonine, PE: Palythene, PA: Palythenic acid, PI: Palythine, PGA: Palythine-glutamic acid, PS: Palythine-serine, PL: Palytinol, PR: Porphyra-334, SH: Shinorine, US: Usujirene.
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Kasanah, N.; Ulfah, M.; Imania, O.; Hanifah, A.N.; Marjan, M.I.D. Rhodophyta as Potential Sources of Photoprotectants, Antiphotoaging Compounds, and Hydrogels for Cosmeceutical Application. Molecules 2022, 27, 7788. https://doi.org/10.3390/molecules27227788

AMA Style

Kasanah N, Ulfah M, Imania O, Hanifah AN, Marjan MID. Rhodophyta as Potential Sources of Photoprotectants, Antiphotoaging Compounds, and Hydrogels for Cosmeceutical Application. Molecules. 2022; 27(22):7788. https://doi.org/10.3390/molecules27227788

Chicago/Turabian Style

Kasanah, Noer, Maria Ulfah, Okmalisda Imania, Annisa Nur Hanifah, and Muhammad Idham Darussalam Marjan. 2022. "Rhodophyta as Potential Sources of Photoprotectants, Antiphotoaging Compounds, and Hydrogels for Cosmeceutical Application" Molecules 27, no. 22: 7788. https://doi.org/10.3390/molecules27227788

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