103 results about "Glabridin" patented technology

The invention relates to the technical field of gel materials, and discloses whitening gel based on biological polysaccharide and a preparation method thereof, the whitening gel comprises the following raw materials: hyaluronic acid, deionized water and thunberg fritillary bulb polysaccharide microcapsules; wherein the bulbus fritillariae thunbergii polysaccharide microcapsule is prepared by taking konjac glucomannan, chitosan and perillaldehyde modified hyaluronic acid as a shell layer and embedding bulbus fritillariae thunbergii polysaccharide and glabridin as a core material; the perillaldehyde modified hyaluronic acid is prepared by reacting alkenyl hyaluronic acid with perillaldehyde under the action of an initiator; the alkenyl hyaluronic acid is prepared by reacting hyaluronic acid with glycidyl methacrylate under the action of a catalyst. The prepared whitening gel has excellent whitening, moisturizing, anti-oxidation and anti-aging effects, effective components are not prone to loss, and the whitening gel can be applied to the skin surface for a long time, plays a whitening role and delays the aging process of the skin.

The invention provides a glabridin flexible liposome, a glabridin flexible liposome mask liquid and a preparation method, and relates to the technical field of cosmetics. The glabridin flexible liposome provided by the invention comprises a flexible nano liposome and glabridin wrapped by the flexible nano liposome, the flexible nano liposome is a liposome modified by dipotassium glycyrrhizinate, and the liposome is formed by phospholipid and cholesterol. According to the invention, the dipotassium glycyrrhizinate is used as an edge active agent, and the glabridin is wrapped in the flexible liposome, so that the problems of poor solubility and poor stability of the glabridin are solved while the transdermal properties of the glabridin and the dipotassium glycyrrhizinate are improved. According to the glabridin flexible lipidosome mask liquid provided by the invention, the glabridin flexible lipidosome is uniformly dispersed in the mask liquid, and the obtained glabridin flexible lipidosome mask liquid has excellent stability and also has good moisturizing, soothing and whitening effects.

The invention relates to a lipidosome based on nonapeptide-1 targeted transdermal delivery as well as a preparation method and application of the lipidosome. The lipidosome comprises a lipidosome carrier, raspberry ketone glucoside, a glabridin clathrate compound, a camellia extract and nonapeptide-1, wherein the raspberry ketone glucoside, the glabridin clathrate compound and the camellia extract are wrapped in the lipidosome carrier, and the nonapeptide-1 is modified on the surface of the lipidosome. Water-soluble raspberry ketone glucoside, a camellia extract and fat-soluble glabridin are compounded and wrapped by using a liposome technology, nonapeptide-1 which can be in targeted combination with skin melanocytes is further added, and the nonapeptide-1 is anchored on the outer side of a liposome carrier through hydrogen bond interaction, so that the liposome based on nonapeptide-1 targeted transdermal delivery is obtained. The composition solves the problem of compatibility of a fat-soluble active matter glabridin, a water-soluble active matter raspberry ketone glucoside and a camellia extract, and enhances permeation of the active matter in skin, so that the active matter directly plays a role at an action target.

This invention belongs to the field of cosmetic technology, specifically a glycyrrhizin-based composite nanoparticle containing sclerotherapy, BPOXY, and collagen, along with its preparation method and applications. The invention first combines glycyrrhizin and glycyrrhizic acid via non-covalent bonds to obtain a glycyrrhizin-glycyrrhizic acid eutectic structure that overcomes the solubility problem of glycyrrhizin. Then, a BPOXY-collagen mixture is used to coat the glycyrrhizin-glycyrrhizic acid eutectic structure, yielding glycyrrhizin-based composite nanoparticles containing sclerotherapy, BPOXY, and collagen. The glycyrrhizin-based composite nanoparticles containing sclerotherapy, BPOXY, and collagen obtained using this method exhibit good water solubility of glycyrrhizin, a simple composition, high stability, and minimal risk of allergic reactions. Furthermore, it enhances the skin permeability of glycyrrhizin, collagen, and BPOXY, resulting in a synergistic effect and improved bioavailability.

The invention discloses an anti-oxidation, whitening and brightening composition as well as a preparation method and application thereof. The anti-oxidation, whitening and brightening composition is prepared from the following components in parts by weight: 2 to 6 parts of nicotinamide, 0.5 to 5 parts of tranexamic acid, 1 to 5 parts of nonapeptide-1 solution, 0.5 to 1 part of tetrahydromethylpyrimidine carboxylic acid, 0.5 to 2 parts of pink red plum compound essence, 0.01 to 0.5 part of hydroxyethyl piperazine ethanesulfonic acid, 0.01 to 0.5 part of glabridin and 0.0001 to 0.2 part of glutathione. According to the invention, the composition prepared from nicotinamide, tranexamic acid, nonapeptide-1, tetrahydromethylpyrimidine carboxylic acid, pink-red plum composite essence, hydroxyethyl piperazine ethanesulfonic acid, glabridin and glutathione is prepared into the essence, and the clearance rate of the essence to ABTS free radicals reaches 58% or above, which shows that the essence has very good antioxidant ability; the cell tyrosinase activity inhibition rate of the composition under the concentration of 1.2% (v / v) reaches 51% or above, which shows that the composition has very good whitening and brightening effects.

The invention discloses an anti-aging and anti-allergy spray suitable for pregnant women based on micro-ecology-barrier-immune synergistic repair and a preparation method of the anti-aging and anti-allergy spray. The spray is prepared from 2.00 percent to 4.00 percent of hydrolyzed quinoa protein, 1.00 percent to 5.00 percent of lactobacillus / soybean milk fermentation filtrate, 0.30 percent to 1.00 percent of radix stellariae extract, 0.20 percent to 1.50 percent of perilla leaf extract, 0.01 percent to 0.50 percent of three-layer liposome tetrahydrocurcumin, 1.00 percent to 10.00 percent of Tibetan plateau freeze-dried tricholoma matsutake extracting solution, an active peptide combination and a ceramide compound. According to a quadruple synergistic mechanism, (1) the pH value of the fermentation filtrate is adjusted to 5.3, and the fermentation filtrate and the hydrolyzed quinoa extract synergistically construct a micro-ecological foundation; (2) repairing the barrier by ceramide NP, cholesterol, phytosphingosine and the like; (3) multiple anti-allergy effects of radices stellariae dichotomae, purple perilla, asiaticoside and dipotassium glycyrrhizinate; and (4) liposome curcumin, glabridin liposome and active peptide cooperate to resist aging, and a'micro-ecological balance-barrier reconstruction-immunosuppression-targeted anti-aging 'quadruple synergistic effect system is constructed. The preparation method comprises the steps of A-phase / B-phase preparation, emulsification, active addition and sterile filling, and the skin requirements in the pregnancy period and the lactation period are met.

This invention discloses a mild and stable temperature-responsive microemulsion composition, its preparation method, and its applications, belonging to the fields of cosmetics and pharmaceutical technology. This invention uses a nonionic decyl glucoside and anionic sodium lauroyl glutamate, introducing tocopherol polyethylene glycol succinate and disodium EDTA, forming a dual stabilizing mechanism of "antioxidant + metal ion chelation," effectively protecting unstable active ingredients such as glycyrrhizin. Experiments show that in an accelerated test at 60℃, the retention rate of glycyrrhizin increased by more than 20%. The microemulsion composition prepared by this invention exhibits high stability, low irritation, and skin-targeted sustained-release properties.

The invention provides a whitening and spot-fading skin care composition and a preparation method thereof, and belongs to the technical field of whitening and skincare, and the composition comprises modified glabridin, a nicotinamide-tranexamic acid co-coating, an alhagi sparsifolia flower extract and an artemisia desertorum seed extract. The modified glabridin is obtained by modifying glabridin with tocopherol succinate, polyethylene glycol and artemisia desertorum seed gum. The nicotinamide-tranexamic acid co-coating is obtained by coating a mixture of nicotinamide and tranexamic acid with sodium alginate and chitosan hydrochloride. The alhagi sparsifolia extract is obtained by carrying out common enzymolysis on alhagi sparsifolia dry powder through compound enzyme and glucosidase and purifying through a mixed filler adsorption column, and the artemisia desertorum seed extract is obtained by fermenting artemisia desertorum seed powder through aspergillus oryzae, removing impurities through ADS-7 resin and purifying through a polyamide resin column. The effective components are prepared by adopting a special preparation and purification method and are matched according to a specific ratio for use, and the whitening effects of inhibiting tyrosinase, blocking melanin generation, scavenging free radicals and the like are achieved through multi-effect synergism.

The invention provides a glabridin micro-emulsion, a glabridin micro-emulsion mask liquid and a preparation method, and relates to the technical field of cosmetics. The glabridin microemulsion provided by the invention is prepared from the following raw materials: glabridin, tween-80, 1, 2-hexanediol, ethyl oleate and water, and the mass ratio of the glabridin to the tween-80 to the 1, 2-hexanediol to the ethyl oleate to the water is (0.25 to 2.5) to (12.5 to 25) to (12.5 to 50) to (5 to 12.5) to 19. According to the glabridin microemulsion, 1, 2-hexanediol is used as a surfactant, tween-80 is used as a cosurfactant, ethyl oleate is used as an oil phase, glabridin is wrapped in the microemulsion, the solubility and skin permeability of glabridin can be improved, and cosmetics can efficiently play skin care functions such as whitening and relieving. The invention provides a glabridin micro-emulsion mask liquid which has good whitening, moisturizing and soothing effects.

The application discloses a glabridin-nicotinamide co-crystal as well as a preparation method and application thereof, belongs to the technical field of co-crystals, and comprises nicotinamide and glabridin molecules. 26 H 26 N2O5, and the molar ratio of the nicotinamide and the glabridin is 1:1.The application prepares a glabridin-nicotinamide co-crystal, and the co-crystal is completely characterized, and it is proved that the co-crystal has certain physical and chemical stability, the stability of the nicotinamide is improved after being made into the co-crystal, and no stimulating substance nicotinic acid is found in the co-crystal stability experiment. The co-crystal is generally neutral, mild and non-irritating, and is naturally suitable for cosmetics or health products.

The present invention relates to a self-assembled inclusion of glabridin with an ultra-small particle size, a preparation method, and an application thereof, and belongs to the field of cosmetic technology. The composition of the present invention comprises the following components in parts by weight: 0.5-5 parts of glabridin, 10-30 parts of polyol, 0.4-6.5 parts of a licorice carrier component, 1.5-3 parts of a nonionic emulsifier A, 0.45-1.8 parts of a nonionic emulsifier B, and 53.7-87.15 parts of water; the licorice carrier component comprises at least one of glycyrrhizic acid, ammonium glycyrrhizate, and glycyrrhetinic acid; the nonionic emulsifier A is a nonionic emulsifier with a hydrophilic-lipophilic balance value (HLB) greater than 9; the nonionic emulsifier B is a nonionic emulsifier with a hydrophilic-lipophilic balance value (HLB) of 2-4. The self-assembled inclusion of glabridin of the present invention has a smaller particle size, good encapsulation performance, and good targeting; it has good stability, the glabridin encapsulation does not precipitate, and the transdermal absorption rate is higher.

The application belongs to the technical field of glabridin preparation, and particularly relates to a preparation method of R-glabridin, which comprises the following steps: S1, under a protective gas atmosphere, dissolving a glabridin racemate in an organic solvent A, and reacting with a halogenated reagent through a substitution reaction, and after purification, preparing a halogenated intermediate I; S2, under the protective gas atmosphere, dissolving the halogenated intermediate I prepared in S1 in an organic solvent B, and under alkaline conditions, preparing an intermediate II through a dehalogen olefination reaction, and after purification; S3, under a hydrogen atmosphere, dissolving the intermediate II prepared in S2 in an organic solvent C, and under the action of a catalyst, preparing R-glabridin through an asymmetric hydrogenation reaction, and after purification. The method has the advantages of multiple raw material sources, obvious cost advantage, convenient preparation method, high total yield, less waste and high purity, and is beneficial to industrialization.

The present application relates to a kind of moisturizing whitening anti-aging cosmetic composition containing hyaluronic acid derivative and glabridin and its application, belong to the field of cosmetics.The cosmetic composition includes glabridin and hyaluronic acid derivative;Wherein, the hyaluronic acid derivative includes hydrolyzed hyaluronic acid or its salt, acetylated hyaluronic acid or its salt and silanized hyaluronic acid or its salt.The present application simultaneously uses hydrolyzed hyaluronic acid or its salt, acetylated hyaluronic acid or its salt and silanized hyaluronic acid or its salt as hyaluronic acid derivative, greatly improve the stability and moisturizing, whitening, anti-aging efficacy of the cosmetic composition provided by the present application, with unexpected synergistic effect.

This invention belongs to the field of pesticide and fertilizer technology, specifically a pesticide and fertilizer for controlling papaya gall disease. It includes a synergistic bactericidal composition, the active ingredient of which is a combination of glycyrrhizin and fluoxastrobin. This pesticide and fertilizer for controlling papaya gall disease contains both bactericidal and boron fertilizer. The bactericidal component enhances the control effect against papaya anthracnose, while the boron fertilizer supplements the boron element needed for papaya growth, thus effectively preventing papaya gall disease. This single application can control both anthracnose and papaya gall disease, promoting the normal and healthy growth of papaya.

The present application relates to the field of skin care products, and discloses a whitening and anti-aging composition for skin care products and application thereof, and an essence oil and a preparation method thereof. The whitening and anti-aging composition for skin care products contains an active substance combination and a compound essential oil and plant oil combination; the active substance combination contains glabridin, 4-butyl resorcinol, undecylenoyl phenylalanine, natural bisabalol, ascorbic acid tetraisopalmitate and teprenone; the compound essential oil and plant oil combination contains Damascus rose essential oil, magnolia essential oil, frankincense essential oil, Roman chamomile essential oil, carrot seed essential oil, passion fruit seed oil, red wolfberry seed oil, rose fruit oil and sea buckthorn fruit oil. The skin care product prepared from the whitening and anti-aging composition has a more moderate and efficient transdermal absorption rate, and has excellent anti-photoaging effect and whitening and freckle-removing effect.

The present disclosure relates to the technical field of pharmaceutical preparation, and particularly relates to a preparation method of glabriden; the preparation method comprises the following steps: providing licorice raw materials, crushing and sieving, and then performing a solid state fermentation process to obtain licorice powder after solid state fermentation; then adding into a first mixed organic solution for soaking, and then adding into a first mixed aqueous solution for soaking, and then adding a second mixed organic solution for extraction, collecting the organic phase, and then adding the solid product into the second mixed organic solution for extraction after enzyme inactivation and impurity removal; combining the organic phases and performing dialysis, purification and concentration to obtain a licorice flavone extract; and then performing extraction of the licorice flavone extract by a third mixed organic solution containing imidazolyl sulfonate to obtain a product containing a higher proportion of glabriden.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a method for simultaneously extracting and purifying glabridin, glycyrrhizic acid and isoliquiritigenin. The method comprises the following steps: (1) adding ethanol into glycyrrhiza glabra, and extracting to obtain an extracting solution; (2) extracting the extracting solution with ethyl acetate to obtain an organic phase and a water phase; and (3) purifying the organic phase by using a rapid preparative liquid chromatograph, carrying out gradient elution by using 30%-70% of ethyl acetate-cyclohexane as a mobile phase, and collecting the eluent, thereby obtaining the glabridin. (4) carrying out acidification and centrifugal precipitation on the water phase to obtain a glycyrrhizic acid crude product and a supernatant, adding absolute ethyl alcohol into the glycyrrhizic acid crude product, and carrying out ultrasonic extraction and centrifugation to obtain a glycyrrhizic acid ethanol solution; and (5) extracting and purifying the supernate to obtain the isoliquiritigenin.

The application discloses a recombinant engineering strain for biosynthesis of glabridin and a construction method and application thereof, and belongs to the technical field of synthetic biology and enzyme engineering. The recombinant engineering strain comprises a recombinant plasmid pRSFDuet-SiDR-SiTR-PmGDH; wherein the nucleotide sequence of SiTR is shown as SEQ ID NO:1, the nucleotide sequence of SiDR is shown as SEQ ID NO:2, and the nucleotide sequence of PmGDH is shown as SEQ ID NO:3. Through technical means such as optimization of gene sequences, construction of expression vectors and in-vivo directed evolution, the application successfully constructs the recombinant functional strain pTDG- E. coli BL21(DE3) and its evolution strain pTDGm258- E. coli BL21(DE3). The strains can efficiently catalyze the conversion of a substrate into glabridin, and have important industrial application value.

The present invention relates to the field of cosmetics, and in particular to a supramolecular eutectic gel that efficiently targets MC1R, and its preparation and application. The supramolecular eutectic gel that efficiently targets MC1R according to the present invention comprises the following components in parts by weight: 1-5 parts of glabridin, 1-6.5 parts of glycyrrhetinic acid, 3-23 parts of C3-C4 alcohol, and 0.001-0.1 parts of a targeting active substance. The present invention compounds glabridin and glycyrrhetinic acid, with glycyrrhetinic acid serving as a hydrogen bond acceptor and glabridin serving as a hydrogen bond donor. In a small amount of C3-C4 alcohol, supramolecular eutectics can be formed through π-π stacking and hydrogen bonding, thereby improving the stability and skin permeability of glabridin. The targeting active substance has a significant binding effect with MC1R, achieving the effect of synergistically promoting efficient whitening. The present invention combines supramolecular eutectic and nanoliposome technology to obtain whitening liposomes, which have excellent whitening efficacy, clear targets, efficient penetration, high utilization rate, and are easy to mass produce.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a method for simultaneously extracting and purifying glabridin, glycyrrhizic acid and isoliquiritigenin by a column chromatography extraction method. The method comprises the following steps: adding an ethanol solution into glycyrrhiza glabra, extracting by adopting a column chromatography extraction method, extracting an extracting solution by using dichloroethane, enabling an organic phase to pass through a silica gel column, and crystallizing an eluent to obtain glabridin. Acidifying and centrifuging the extracted water phase, and dissolving the precipitate with acetone to obtain glycyrrhizic acid; and extracting and purifying the filtrate to obtain the isoliquiritigenin. The invention provides a simple and efficient new extraction technology which is low in energy consumption, small in solvent dosage and high in extraction rate compared with traditional ultrasonic extraction and the like, and aims to extract glycyrrhizic acid and glabridin in glycyrrhiza glabra at the same time, separate glycyrrhizic acid and glabridin, separate isoliquiritigenin from the remaining part through simple conversion, and improve the purity of glycyrrhizic acid and glabridin in glycyrrhiza glabra. The comprehensive development and utilization of the glycyrrhiza glabra are achieved.

This invention belongs to the field of materials preparation, specifically relating to a functionalized MOF composite material and its preparation method and its application in the purification of glycyrrhizin. The preparation steps of the functionalized MOF composite material of this invention are as follows: (1) 5-sulfonic acid isophthalic acid is added to a solvent, dissolved, mercaptoacetic acid is added, stirred, and a ligand solution is obtained; then a zinc salt solution is added, stirred, acetic acid is added to adjust the pH to 4-5, and an ion exchange resin is added to form a suspension; (2) the suspension is heated in a closed environment, reacted at a constant temperature, cooled, the precipitate is collected, washed, soaked, activated and dried to obtain Zn-MOF-SH; (3) Zn-MOF-SH is dispersed in a buffer solution, EDC and NHS are added sequentially, activated, and then glucosamine is added. The reaction is shaken at 30-45℃ for 6-12 hours, centrifuged, washed, and the functionalized MOF composite material is obtained. The MOF material of this invention can specifically recognize and adsorb glycyrrhizin molecules, achieving efficient and selective separation and purification of them.

The invention belongs to the technical field of functional compositions, and particularly relates to a composition containing glabridin and application and a product thereof. The composition disclosed by the invention consists of glabridin and procyanidine, wherein the mass ratio of the glabridin to the procyanidine in the composition is 1: (1-100). The composition disclosed by the invention can effectively reduce the MDA level and has an anti-oxidation effect; the melanogenesis and tyrosinase activity can be effectively inhibited, and the melanin index can be reduced. The composition disclosed by the invention is relatively good in safety, can be applied to preparation of cosmetics, health-care products or foods and medicines with antioxidant or whitening effects, and has a wide industrial application prospect.

The utility model discloses a chromatographic device for glabridin production, which relates to the technical field of chromatography, and comprises a chromatographic column, the bottom of the chromatographic column is fixedly connected with a base, the top of the chromatographic column is provided with a screening mechanism, and the outer wall of the chromatographic column is provided with an extraction mechanism. In the chromatography process, a filler is needed to help separation of a glabridin mixture, firstly, the filler is placed above a sieve plate, then a motor is started to drive a rotating shaft to rotate, when the rotating shaft rotates, a convex block can be driven to rotate, when the convex block makes contact with the sieve plate, the sieve plate can be driven to slide in a sliding groove, and the filter screen can be separated. And when the contact between the convex block and the sieve plate is finished, the sieve plate can be extruded due to the counter-acting force of the spring, so that the mechanism can enable the small-particle filler to smoothly enter the chromatographic column, the contact between the filler and a mobile phase is increased, and finer separation can be realized.

The invention relates to the field of daily chemical products, in particular to skin-tendering and freckle-removing essence and a preparation method thereof. The essence is prepared from the following raw materials in percentage by weight: 0.01 to 0.5 percent of alpha-arbutin, 0.01 to 0.5 percent of glabridin, 0.01 to 0.5 percent of asiaticoside, 0.2 to 1.5 percent of an uncaria chinensis leaf extract, 0.2 to 1.5 percent of a phyllanthus emblica leaf extract, 0.2 to 1.5 percent of a beetroot extract, 0.2 to 1.5 percent of a holy basil leaf extract, 5 to 20 percent of polyhydric alcohol, 1 to 3 percent of a solubilizer, 0 to 2 percent of auxiliary materials and the balance of water. Alpha-arbutin, glabridin and asiaticoside are adopted to endow the essence with the effects of whitening, removing freckles, moisturizing, tendering skin and the like, and meanwhile, a large amount of polyhydric alcohols are added to endow the skin with better moisturizing and tendering effects; meanwhile, active ingredients such as uncaria chinensis leaf extract, phyllanthus emblica leaf extract, beet root extract and ocimum shengbasil leaf extract are further added, so that the whitening and freckle removing effects of the essence can be remarkably improved, the updating effect of skin epidermal cells can be effectively improved, and the skin is endowed with a tender effect.

The present application relates to a kind of organosilicon alcohol compositions and its preparation method and application, belong to medical instrument field, medical or dressing preparation field, the specific therapeutic activity of pharmaceutical preparation, the specific use or preparation manufacturing technology field of cosmetic or similar dressing preparation technical field.The organosilicon alcohol composition includes organosilicon alcohol, active ingredient and solvent;The active ingredient includes at least one of ergothioneine, retinol, glutathione, 4-butyl resorcinol, hexyl resorcinol, phenylethyl resorcinol and glabridin.The organosilicon alcohol composition provided by the present application forms complex by using organosilicon alcohol and active ingredient, constructs stable supramolecular system, greatly improves the stability of the obtained composition, and improves skin permeability, and has excellent whitening effect.

The invention provides a recombinant collagen patch for treating facial dermatitis and eczema and fading pigmentation and a preparation method of the recombinant collagen patch. The application comprises a base material layer and a functional composition loaded on the base material layer, wherein the functional composition comprises recombinant human collagen III, an anti-inflammatory active component and a whitening active component. Wherein the anti-inflammatory active component is a compound of ganoderma sinensis spore powder zymolyte, dipotassium glycyrrhizinate and asiaticoside in a specific mass ratio, and the whitening active component is an alpha-arbutin-ferulic acid condensate and a compound of tranexamic acid and glabridin in a specific mass ratio. And the base material layer is alginate-sodium carboxymethyl cellulose composite hydrogel which is modified by gamma-ray irradiation. Through the synergistic effect of all the active ingredients and the optimized preparation process, the multiple effects of resisting inflammation, repairing a barrier and fading hyperpigmentation are achieved, and the product is good in biocompatibility and remarkable in effect.

The invention relates to the technical field of cosmetics and external preparations, in particular to a phenethyl resorcinol-containing composition as well as a preparation method and application thereof. The composition containing phenylethyl resorcinol is prepared from the following raw materials in parts by mass: 0.5 to 3 parts of recombinant collagen, 0.1 to 1 part of sodium hyaluronate, 0.1 to 1 part of phenylethyl resorcinol, 0.01 to 0.1 part of glabridin, 0.2 to 1 part of beta-glucan wrapped by lipidosome, 1 to 3 parts of composite antioxidant, 0.1 to 1 part of chitosan, 0.5 to 2 parts of emulsifier, 3 to 8 parts of humectant and the balance of water, totaling 100 parts by mass. The composite antioxidant contains 40 wt% or more of shea butter modified by polyhydric alcohol, and the number-average molecular weight of the polyhydric alcohol is 50-200. Through the synergistic effect of beta-glucan and PEG modified shea butter, the transdermal absorption effect of the composition is remarkably enhanced, the blackening phenomenon of the skin is effectively improved, and the moisture content of the skin is increased.

The invention relates to the field of extraction, separation and purification of natural products, in particular to a method for purifying glabridin from glycyrrhiza glabra waste residues. According to the method, the glycyrrhiza glabra waste residues are taken as raw materials, and efficient purification is realized through a three-step core process: firstly, heating reflux extraction is performed by adopting a specific small-polarity organic solvent; secondly, carrying out primary purification by utilizing polyamide resin column chromatography; finally, specific ultra-pure microsphere polymer adsorption resin or two types of C18 reverse-phase silica gel fillers are innovatively selected for refining chromatography. Through optimized combination of a filler system, the key problems of low purification efficiency, high solvent consumption, difficulty in large-scale production and the like in a traditional process are solved, the process flow is simple and stable, the solvent can be recycled, a high-purity product with the glabridin content not lower than 92% can be efficiently prepared from the waste residues, high-value utilization of waste resources is achieved, and the method is suitable for industrial production. And the method has remarkable economic and environmental benefits.

This invention provides a traditional Chinese medicine (TCM) whitening and freckle-removing composition and its application in the preparation of skincare products. The TCM whitening and freckle-removing composition comprises the following raw material components by weight percentage: Dendrobium nobile extract (principal ingredient) 0.1-5.0%; Astragalus membranaceus extract (assistant ingredient) 0.5-8.0%; Papaya extract 0.1-3.0%; Polygonum multiflorum extract 0.1-3.0%; Ginseng extract 0.05-2.0%; Ligusticum chuanxiong extract 0.05-2.0%; oil-soluble licorice extract (Glycyrrhiza glabra, containing glycyrrhizin) 0.01-1.0%; Carthamus tinctorius (Saffron) extract 0.01-0.5%; and Angelica sinensis extract 0.05-1.0%. Based on TCM principles, this invention uses authentic Chinese medicinal materials and modern extraction and formulation techniques to create various formulations of skincare products that offer both external whitening effects and gentle repair, thus solving the technical problem of long-term, safe, and effective whitening and freckle-removing treatment.

The invention provides high-solubility and high-stability glabridin whitening oil as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. By introducing the specific natural glycolipid, the solubility and long-term stability of glabridin in various common oils and fats can be remarkably improved, and a uniform oil phase system which is clear and transparent in appearance and light in texture is formed. The composition avoids turbid feeling, sticky skin feeling and safety worries caused by traditional chemical solubilizers or emulsifiers, conforms to the development trend of natural, safe and efficient cosmetics, and provides a core solution for developing high-quality and transparent-appearance skin-nourishing-with-oil whitening effect products. The requirements of the market on high-end skin care oil with excellent efficacy and pleasant sensory experience are met.