44 results about "Ascorbyl glucoside" patented technology

The invention relates to the technical field of aquaculture, in particular to a leiocassis longirostris intestinal health functional additive based on spermaceti soxhlet metabolite. The Leiocassis longirostris intestinal health functional additive comprises the following functional components: chondroitin sulfate, N-acetyl-D-galactosamine, 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4'- The composition is prepared from the following raw materials: 4, 6-dihydroxyflavone, polydatin, ascorbic acid, glucoside, arabinogalactan, 3-O-beta-D-galactopyranosyl-L-arabinose, tyramine, 4A-hydroxytetrahydrobiopterin, hyaluronic acid and 3-mercapto-2-butanol. According to the technical scheme, the technical problem that an existing probiotic viable bacterium preparation is difficult to meet the intestinal health management requirement in intensive culture of the leiocassis longirostris can be solved. Compared with the prior art, the scheme is more efficient, stable and safe, healthy development of the Leiocassis longirostris breeding industry can be effectively promoted, and the method has ideal application and popularization prospects.

The invention provides a composite VC whitening and spot-fading composition, a preparation method thereof and application of cosmetics. The composition is prepared from the following components in parts by mass: 0.5 to 5 parts of magnesium ascorbyl phosphate, 0.5 to 5 parts of sodium ascorbyl phosphate, 1 to 5 parts of 3-o-ethyl ascorbic acid, 1 to 5 parts of ascorbic acid polypeptide, 0.5 to 5 parts of ascorbyl glucoside and 0.1 to 0.5 part of ergothioneine. The composition can achieve good whitening and spot-fading effects through synergistic cooperation of all the components. When the composition is applied to cosmetics, the whitening and spot-fading effects of the cosmetics can be effectively improved. Meanwhile, the preparation method of the composition is simple and easy to implement, does not need to depend on harsh conditions and complex equipment, and is easy to popularize and use.

The invention discloses recombinant escherichia coli for producing sucrose phosphorylase as well as a construction method and application of the recombinant escherichia coli, and belongs to the technical field of biological engineering. The sucrose phosphorylase is constructed, the amino acid sequence of the sucrose phosphorylase is shown as SEQ ID NO.11, a recombinant escherichia coli BdSP-L341V / L343F / V346P for expressing the sucrose phosphorylase is constructed, the sucrose phosphorylase expressed by recombinant bacteria or whole cells of the recombinant bacteria are used for carrying out catalytic reaction, and efficient production of ascorbyl glucoside can be realized. The invention also provides a method for producing ascorbic acid glucoside, the catalytic reaction is carried out at normal temperature and normal pressure, toxic and harmful organic solvents are not used, and the pollution to the environment is reduced; the whole catalytic process is a one-step reaction, has the advantages of high conversion rate, simple purification step and simple process, can better save the production cost, and has wide industrial application prospects.

The invention discloses whitening essence and a preparation method thereof, and belongs to the field of skin care products. The five-phase mixture comprises hydroquinone, tretinoin, fluocinonide, glabridin and vitamin C derivatives; the phase A is prepared from water, PCA sodium, butanediol, sodium hyaluronate and 1, 2-hexanediol; the phase B is prepared from ascorbyl glucoside, arginine, a skin conditioner, chlorphenesin, hydroxyethyl piperazine ethanesulfonic acid, alpha-arbutin, nicotinamide, dipotassium glycyrrhizinate and a skin conditioning and relieving agent; a phase C: 1, 3-propylene glycol and a preservative; a phase D: PEG-40 hydrogenated castor oil and rose oil; and a phase E: water, 1, 2-pentanediol, a peppermint leaf extract and glutathione. Compared with the existing whitening essence in the market, the whitening essence prepared by the invention can be applied to different skin types, and can be absorbed by different skin types when acting on different skin types, so that the whitening essence prepared by the invention can be used for whitening different skin types when being applied to users with different skin types, and the whitening essence can be used for whitening different skin types. The whitening and moisturizing effects are good.

The invention relates to a whitening and anti-aging composition which is characterized by comprising a solvent, a vitamin C derivative and an active agent, and the vitamin C derivative comprises 3-o-ethyl ascorbic acid, ascorbyl glucoside, magnesium ascorbyl phosphate, sodium ascorbyl phosphate and ascorbic acid polypeptide. By the adoption of the technical scheme, the whitening and anti-aging composition and the cosmetic containing the composition are high in stability, good in transdermal absorbability, lasting in effect, mild and capable of whitening skin and resisting aging in a synergistic mode.

Disclosed is a method of reducing fine lines or wrinkles on skin. The method can include applying a topical skin care composition to skin with fine lines or wrinkles. The composition can include lactobacillus ferment, ascorbyl glucoside, Terminalia ferdinandiana fruit extract, Helianthus annuus (Sunflower) seed extract, glycerin, Persea gratissima (avocado) oil, Butyrospermum parkii (shea) butter, coco-caprylate / caprate, Sclerotium gum, sodium benzoate, and tocopherol.

The invention discloses an antioxidant composition based on pH response type microcapsules as well as a preparation method and application of the antioxidant composition. Wherein the antioxidant composition contains ferulic acid, L-ascorbic acid-2-glucoside and tocopheryl acetate, and the mass ratio of the ferulic acid to the L-ascorbic acid-2-glucoside to the tocopheryl acetate is 1 to (3 to 5) to (5 to 10). A composition of ferulic acid, L-ascorbic acid-2-glucoside and tocopheryl acetate in a specific ratio is used as a core material, and a chitosan-sodium alginate compound is used as a wall material. The microcapsule can effectively protect the stability of antioxidant active ingredients in the storage period, and can specifically respond to a weak acidic pH environment of skin to release active matters so as to realize intelligent delivery. Components of the core material have a synergistic anti-oxidation effect, so that the final effect of the product is remarkably improved. The cosmetic composition containing the microcapsules has the advantages of being high in stability, remarkable in effect, good in skin feeling and the like.

The present invention provides an enhanced whitening cosmetic composition comprising (A) concentrated birch sap and (B) one or more substances selected from arbutin, tranexamic acid, niacinamide, glabridin, ascorbic acid, ascorbyl glucoside, ascorbyl dipalmitate and ascorbyl tetraisopalmitate, wherein the concentrated birch sap is concentrated at a multiple of about 1.05-6 times, preferably about 1.1-5 times, and more preferably about 1.2-4 times.

To provide a method for producing a stable composition comprising an alkali metal salt of ascorbyl 2-glucoside and a basic amino acid salt of ascorbyl 2-glucoside without browning.SOLUTION: The present invention provides a method for producing a composition comprising an alkali metal salt of ascorbyl 2-glucoside and a basic amino acid salt of ascorbyl 2-glucoside that involves adding an alkali metal bicarbonate or an alkali metal carbonate to an ascorbyl 2-glucoside aqueous solution, and then adding a basic amino acid to adjust the pH to 5-8.SELECTED DRAWING: None

To provide an oral cavity biofilm formation-inhibiting and / or dispersion-promoting agent which is stable and has a biofilm formation-inhibiting or dispersion-promoting action.SOLUTION: A composition for inhibiting the formation of oral biofilm and / or promoting the dispersion of oral biofilm, comprising one or more components selected from the group consisting of a basic amino acid salt of ascorbic acid 2-glucoside, an alkali metal salt of ascorbic acid 2-glucoside, and a basic amino acid salt of ascorbic acid.SELECTED DRAWING: None

The invention discloses a moisturizing and whitening essence, and belongs to the technical field of cosmetics, the moisturizing and whitening essence comprises the following raw materials: glycerol, 1, 3-propylene glycol, trehalose, xylitol, and a moisturizing and whitening composition. Wherein the moisturizing and whitening composition is prepared from a callicarpa bodinieri extract, ray proteoglycan, ascorbyl glucoside and squalane, and the content of the moisturizing and whitening composition is 2-10 wt%. The invention further discloses a preparation method of the moisturizing and whitening essence. The essence disclosed by the invention is mild to skin, non-irritant and stable in property, can provide all-around care for the skin after being used insist, and achieves the effects of deeply moisturizing, whitening and fading spots.

The invention discloses a small nucleic acid freckle-removing essence, which is carefully matched with active ingredients such as siRNA, NARDOSTACHYS CHINENSIS extract, nicotinamide, ascorbyl glucoside, tranexamic acid and the like, not only can block the generation of melanin from the source, but also can promote the metabolism of skin, accelerate the metabolism of generated melanin, and achieve internal and external synergism, so that the freckle-removing essence has the effects of removing freckle, removing freckle and removing freckle. A good removing effect is achieved on freckles, chloasma and other color spots.

To provide an effective and safe composition for promoting muscle regeneration.SOLUTION: A composition for promoting muscle regeneration contains ergothioneine, and may optionally further contain ascorbic acid 2-glucoside and / or ascorbic acid.SELECTED DRAWING: None

The invention relates to the technical field of detergents, and discloses an enzyme-containing detergent composition. The enzyme-containing detergent composition comprises the following components: an enzyme stabilizer, a surfactant and an enzyme, the enzyme stabilizer comprises triethanolamine citrate and vitamin C glucoside. The triethanolamine citrate and the vitamin C glucoside adopted by the invention can improve the stability of enzyme in the detergent to a large extent, are wide in application range, are applicable to surfactant types and enzyme types commonly used in the detergent, and can still play a good role when the content of the surfactant is high.

This invention relates to a method for synthesizing ascorbate glucoside via yeast lysate and its application, belonging to the field of cosmetic technology. The invention discloses a Bifida ferment lysate, which is a fermentation product lysate of *Bifidobacterium longum*, wherein the *Bifidobacterium longum* is at least one of *Bifidobacterium longum* HJ-005, *Bifidobacterium longum* subsp. *CGMCC* 1.2186, and *Bifidobacterium longum* subsp. *infant* CGMCC 1.15639; the nucleotide sequence of the 16S rRNA of *Bifidobacterium longum* HJ-005 is shown in SEQ ID NO: 1. This invention uses a specific fermentation product lysate of *Bifidobacterium longum* to catalyze the transglycosylation reaction of vitamin C, obtaining a reaction product containing AA2G, thereby increasing the yield of AA2G, significantly reducing the preparation cost of AA2G, and significantly inhibiting the production of melanin in zebrafish embryos, exhibiting a whitening effect. It can be used as a cosmetic raw material without purification.

The present invention relates to a high-throughput screening method for a cyclodextrin transferase that catalyzes the synthesis of L-ascorbic acid-2-glucoside, comprising the steps of: adding β-cyclodextrin and ascorbic acid to the culture system of the strain to be screened, adjusting the pH to 5.0-6.0 for catalytic reaction; removing the strain after the catalytic reaction, adding an oxidant for oxidation reaction; adding a color developer of L-ascorbic acid-2-glucoside for color development after the oxidation reaction. The present invention removes unreacted ascorbic acid through a pre-oxidation strategy, then adds a substance that can develop color with L-ascorbic acid-2-glucoside, reacts under certain conditions, and can be easily detected in an ELISA instrument after the reaction, so as to accurately quantify the content of L-ascorbic acid-2-glucoside in the reaction solution system, bringing convenience to high-throughput screening of mutant strains.

The invention provides application of ascorbyl glucoside in health food and oral care products, and belongs to the field of health food and oral care, and the configuration of the ascorbyl glucoside is 2-O-alpha-D-glucosyl-L-ascorbic acid (AA2G). The AA2G can be used for effectively inhibiting the activity of alpha-glucosidase and has a relatively high binding rate to bile acid; animal experiments show that AA2G can significantly reduce the blood sugar concentration, serum triglyceride (TG) concentration and serum total cholesterol (TC) concentration of diabetic model mice, and has the efficacy of assisting in reducing blood sugar and blood fat. In addition, the AA2G also has an inhibiting effect on streptococcus mutans and porphyromonas gingivalis, and has a decayed tooth resisting effect. In addition, the AA2G can continuously and stably exert the effect of assisting in reducing blood sugar, and the long-acting blood sugar reducing capacity of the AA2G is obviously superior to that of VC and beta-configuration ascorbic acid glucoside (AA-2beta G). The AA2G is applied to health-care food and oral care products, and can effectively reduce blood sugar and blood fat and effectively improve the problem of decayed teeth.

The present invention relates to atopical detergent composition comprising ascorbyl glucoside and ascorbyl palmitate, a washing and transcutaneous absorption-promoting base comprising at least one non-ionic surfactant, at least one anionic surfactant, glycerol, in combination with suitable excipients and / or diluents.

The invention discloses a composite VC skin whitening and brightening dressing, a preparation method thereof and application of cosmetics. The dressing comprises a supporting body and a gel layer located on the surface of the supporting body. The gel layer comprises a first gel sub-layer and a second gel sub-layer which are arranged on the surface of the supporting body in a stacked mode. The first gel sub-layer comprises a first hydrogel base material and an ascorbic acid derivative located in the first hydrogel base material, and the second gel sub-layer comprises a second hydrogel base material and ergothioneine located in the second hydrogel base material. The ascorbic acid derivative comprises at least one of magnesium ascorbyl phosphate, sodium ascorbyl phosphate, 3-o-ethyl ascorbic acid, ascorbic acid polypeptide and ascorbic acid glucoside. Wherein the mass ratio of the ascorbic acid derivative to the ergothioneine is (1-250): 1. The dressing can effectively solve the possible problems of long onset time of ergothioneine and possible skin sensitivity of ascorbic acid derivatives.

The invention discloses a sucrose phosphorylase mutant and application thereof in preparation of L-ascorbyl glucoside, and belongs to the field of enzyme engineering modification. According to the invention, sucrose phosphorylase is semi-rationally modified, homologous modeling is used for mutant prediction, a small mutant library is constructed, and a mutant with improved thermal stability is obtained after screening. The mutants are used for synthesizing the L-ascorbyl glucoside, reaction conditions are optimized, the yield of the L-ascorbyl glucoside is improved, and a foundation is laid for improving stability and large-scale application of industrial production.

The invention discloses a preparation method and application of high-oxidation-resistance copper paste, and belongs to the technical field of solar cells. In order to solve the problem that the conductivity is reduced due to the fact that copper powder is extremely easy to oxidize in an environmental atmosphere, the invention provides a solution that the conductive paste comprises 73-90% of conductive powder and 10-15% of a dispersion carrier based on 100% of the total mass of the conductive paste; wherein the conductive powder is copper powder modified by antioxidant such as VC, ascorbyl palmitate, ascorbyl glucoside or glucose. Stable sintering in a non-high-purity nitrogen environment (the oxygen content is 2000 ppm) is achieved, and the use efficiency of the copper paste on an HJT battery reaches 24.2% and is equal to that of silver-coated copper; in the application of TOPCON battery overprinting, the efficiency is only less than 0.05% lower than that of pure silver, the efficiency attenuation is less than 0.1% after a bare chip is placed at room temperature for one month, the silver can be saved by 80%, and the cost of the photovoltaic slurry is greatly reduced.

To provide an external composition superior in stability of ectoine.SOLUTION: An external composition containing ectoine and at least one selected from the group consisting of a heparin analogue, glycyrrhizic acid and / or a salt thereof, ascorbyl glucoside, and allantoin.SELECTED DRAWING: None

To provide a carbon dioxide gas foamable external preparation for skin capable of efficiently exerting skin condition improvement effect by a specific active ingredient.SOLUTION: A carbon dioxide gas foamable external preparation for skin of the present invention is a carbon dioxide gas foamable external preparation for skin containing an acid substance, a carbon dioxide gas generating substance which reacts with the acid substance to generate carbon dioxide gas, and thickener, in the same agent or 2 or more agents, and furthermore contains ascorbic acid glucoside or the like (note that in the case where the carbon dioxide gas foamable external preparation for skin consists of 1 agent, it should be mixed with a water-containing substance when in use, and in the case where the carbon dioxide gas foamable external preparation for skin consists of 2 or more agents, any agent should contain water). It is preferable that the carbon dioxide gas foamable external preparation for skin furthermore contain polyhydric alcohol.SELECTED DRAWING: None

The invention provides an anti-ultraviolet functional composition and application thereof, and the anti-ultraviolet functional composition comprises the following components in parts by weight: 10-40 parts of a small-leaf camellia oleifera extract, 10-40 parts of a loquat leaf extract, 10-20 parts of an olive leaf extract, 10-20 parts of a wild chrysanthemum flower extract, 10-20 parts of a coptis root extract and 5-15 parts of ascorbyl glucoside. According to the present invention, the lobular camellia oleifera extract (CAMELLIA MEIOCARPA EXTRACT), the folium eriobotryae extract (ERIOBOTRYA JAPONICA LEAF EXTRACT), the olive leaf extract (CANARIUM ALBUM), the chrysanthemum indicum flower extract (CHRYSANTHMUM INDICUM), the coptis chinensis root extract (COPTIS CHINENSIS) and the ascorbyl glucoside (ASCORBYL GLUCOSIDE) are combined and matched so as to achieve the good synergistic effect, such that the good anti-oxidation and anti-inflammatory activity can be provided, the skin barrier can be strengthened, the ultraviolet resistance of the skin can be effectively improved, and the anti-aging and anti-aging effects can be provided; the healthy and young state of the skin is maintained.

The invention belongs to the technical field of cosmetics, and particularly discloses cream containing ascorbyl glucoside and a preparation method of the cream. The cream is prepared from the following raw material components: an emulsifier, grease, a humectant, a thickening agent, a preservative, an active matter and water, the active matters comprise ascorbyl glucoside and arginine. The cream provided by the invention can effectively ensure the stability of ascorbyl glucoside, so that a good skin care effect can be obtained.

The present invention relates to a topical detergent composition comprising ascorbyl glucoside and ascorbyl palmitate, a matrix for washing and promoting transdermal absorption, said matrix comprising at least one nonionic surfactant, at least one anionic surfactant, and glycerol, in combination with suitable excipients and / or diluents.

The present application relates to emulsions of ascorbic acid salts. In some embodiments, a composition includes water and oil. The composition includes two or more ascorbic acid derivatives in a total amount of about 9 wt % to about 15 wt %. The ascorbic acid derivatives are selected from the group consisting of sodium ascorbyl phosphate (SAP), magnesium ascorbyl phosphate (MAP), and ascorbyl glucoside (AA2G). The composition includes an emulsifier and a functional polymer.

The present invention relates to a composition with good permeability and whitening effect and a preparation method thereof, belonging to the technical field of skin care products. The composition of the present invention comprises the following components: by weight percentage, 0.5-3% niacinamide, 0.1-0.5% ascorbyl glucoside, 0.1-1% tetrahydromethylpyrimidine carboxylic acid, 0.1-10% shiitake mushroom mycelium extract solution, 0.05-5% raspberry extract solution, 0.05-5% wheat germ extract solution, 0.01-0.1% decapeptide-4 solution, 0.001-1% borneol solution, 0.05-1.2% preservative, 0.05-2% thickener and the balance deionized water. The active ingredients of the composition prepared by the present invention have good permeability, excellent whitening effect, and have very good market application prospects.

The invention relates to the technical field of medicine and cosmetic equipment, in particular to a whitening micro-emulsion preparation and a preparation device thereof, and the preparation comprises the following components in parts by weight: 2-3 parts of nicotinamide, 1-2 parts of ascorbyl glucoside, 0.5-1 part of fisetin, 65-75 parts of a water phase solvent, 8-12 parts of an oil phase solvent, 3-5 parts of an emulsifier and 0.5-1 part of a stabilizer. The stability of the whitening preparation under extreme temperature and humidity conditions can be improved, meanwhile, the preparation device is optimized, and the stirring uniformity of the whitening preparation in the production stirring process is improved.

The invention belongs to the technical field of cosmetics, and particularly discloses a wrinkle-fading eye cream containing ascorbyl glucoside and a preparation method of the wrinkle-fading eye cream. The wrinkle fading eye cream is prepared from the following raw material components: a component A, a component B, a component C, a component D and water, wherein the component A comprises a first emulsifier, an emollient, a first thickener and a first antioxidant; the component B comprises a first humectant, a second thickener, a chelating agent and a second emulsifier; the component C comprises a second antioxidant and a second humectant; the component D is prepared from ascorbyl glucoside and acetylated sodium hyaluronate. The wrinkle-fading eye cream provided by the invention not only can improve the stability of ascorbic acid glucoside, but also can obtain a good eye skin care effect through effective compounding of the raw materials.