233 results about "Ceramide" patented technology

The invention relates to a preparation method and application of an artificially synthesized exosome with an anti-aging effect, and belongs to the technical field of cosmetics and biology. The artificially synthesized exosome is prepared from hydrogenated lecithin, phytosphingosine, cholesterol, ceramide, squalane, sodium stearoyl glutamate, a surface modification structure, polyol, an active component and water. The preparation method comprises the steps of preparation of an alcohol phase, preparation of a water phase, preparation of a mixed solution and high-pressure homogenization treatment. The artificially synthesized exosome prepared by the preparation method provided by the invention is good in stability and high in anti-aging activity.

The invention relates to the technical field of cosmetics, and discloses an anti-inflammatory soothing cosmetic composition which comprises the following components in percentage by weight: 0.5%-4% of a barrier repairing component, 0.5%-3% of an immunoregulation component, 0.3%-2.5% of a nerve soothing component, 0.3%-3% of an anti-inflammatory plant compound, 1%-10% of a moisturizing soothing enhancer and the balance of auxiliary materials. According to the components, through a five-dimensional synergistic mechanism of barrier repair, immune tolerance, nerve desensitization, anti-inflammatory itching relieving, moisturizing and stability maintaining, anti-inflammatory relieving and barrier repair are remarkably enhanced; ceramide, rare ginsenoside, phytosterol ester and free fatty acid are introduced to synergistically construct a bionic liposome which is closer to the composition of human cuticle lipid, so that the transdermal absorption and stability are enhanced, and the repair efficiency is remarkably improved; the dipotassium glycyrrhizinate, the tamarix chinensis flower extract, the purslane extract, the dinoflaxanthine and the baicalin cooperate to quickly resist inflammation and relieve itching and strengthen barrier repair, so that the composition is suitable for highly sensitive skin.

The invention relates to the technical field of cosmetics, in particular to moisturizing and anti-aging nanoemulsion, a preparation method thereof and moisturizing essence. The moisturizing and anti-aging nanoemulsion comprises the following raw materials in percentage by mass: 90-99% of an anti-aging component and 1-10% of a moisturizing component, and the anti-aging component comprises the following raw materials in percentage by mass: 1-20% of a glycosylglycerol solution, 0.5-3% of nicotinamide adenine dinucleotide, 0.1-5% of sodium coramate and the balance of a solvent; the moisturizing component comprises ceramide lipidosome. The raw materials in the moisturizing and anti-aging nanoemulsion synergistically exert effects, the moisturizing and anti-aging effects of the moisturizing and anti-aging nanoemulsion are improved, meanwhile, the stability and applicability of the moisturizing and anti-aging nanoemulsion are enhanced, and the moisturizing and anti-aging nanoemulsion is mild and non-irritant to skin and safe to use. The preparation method of the moisturizing anti-aging nanoemulsion is simple in process, high in production efficiency and beneficial to industrial production. The moisturizing essence has more remarkable moisturizing and anti-aging effects by adding the moisturizing and anti-aging nanoemulsion, and is safe to use.

The invention discloses Kluffa yeast and application of the Kluffa yeast in preparation of red camellia fermentation liquor with anti-aging and repairing functions, the Kluffa yeast is used for repairing PR-LQX002, the Latin name of the Kluffa yeast is Lachancea kluyveri, and the preservation number of the Kluffa yeast is CCTCC NO: M 20241723. The invention also provides a red camellia fermentation broth, a composition containing the fermentation broth and application of the red camellia fermentation broth in preparation of products with anti-oxidation, anti-saccharification, anti-wrinkle or repair effects. The fermentation broth is prepared from the following raw materials: red camellia flowers, red camellia leaves and Kluffa yeast PR-LQX002. The Kluffa yeast can greatly promote fermentation of flowers and leaves of the red camellia, and the obtained red camellia fermentation liquor not only contains active substances such as flavone, polyphenol and free amino acid, but also contains lipid substances such as ceramide, and has multiple effects such as saccharification resistance, repair, wrinkle resistance and oxidation resistance.

The invention belongs to the technical field of microorganisms, and particularly relates to an extracellular vesicle of phytobacterium plantarum and application of the extracellular vesicle. Specifically, the plant lactobacillus extracellular vesicles can promote HaCaT cells to generate ceramide, up-regulate expression of key genes in a skin ceramide synthesis route and recover a skin barrier; the expression of proinflammatory factors in a cell inflammation model can be reduced, and a relatively good anti-inflammatory effect is achieved. A mouse skin injury model verifies that the EVs has good skin infiltration capacity and can remarkably reduce the skin injury score, relieve skin itch, improve the skin water content and reduce expression of proinflammatory factors in skin tissue and expression of pruritus-related cell factors.

Provided herein are lipid nanoparticles composition comprising a lipid component which comprises: (i) a first ionizable cationic lipid, (ii) a PEG-lipid, wherein the PEG-lipid comprises a PEG-Ceramide. Further provided are lipid nanoparticle compositions comprising a lipid component which comprises: (i) a first ionizable cationic lipid, (ii) a PEG-lipid, wherein the PEG-lipid comprises a PEG-Ceramide selected from: N-octanoyl-sphingosine-1-{succinyl[methoxy(polyethylene glycol)5000]} (C8 PEG5000-Ceramide), N-octanoyl-sphingosine-1-{succinyl[methoxy(polyethylene glycol)2000]}(C8 PEG2000-Ceramide), N-octanoyl-sphingosine-1-{succinyl[methoxy(polyethylene glycol)750]} (C8 PEG750-Ceramide), N-palmitoyl-sphingosine-1-{succinyl[methoxy(polyethylene glycol)5000]} (C16 PEG5000-Ceramide), N-palmitoyl-sphingosine-1-{succinyl[methoxy(polyethylene glycol)2000]} (C16 PEG200-Ceramide), and N-palmitoyl-sphingosine-1-{succinyl[methoxy(polyethylene glycol)750]} (C16 PEG750-Ceramide) (iii) a phospholipid, and (iv) a permanently cationic lipid, an anionic lipid, or a second ionizable cationic lipid separate from the first ionizable cationic lipid.

The invention relates to an artificially synthesized no-load exosome capable of promoting permeation and having a repairing effect as well as a preparation method and application of the artificially synthesized no-load exosome, and belongs to the technical field of cosmetics and biology. The artificially synthesized no-load exosome comprises a membrane core structure, the membrane structure of the artificially synthesized exosome comprises hydrogenated lecithin, phytosphingosine, cholesterol, ceramide, squalane, sodium stearoyl glutamate and a surface modification structure, and the core of the artificially synthesized exosome comprises water. The artificially synthesized no-load exosome provided by the invention has good particle size uniformity, particle size stability, permeation enhancing performance, permeation enhancing effect stability and skin repairing effect.

The invention belongs to the technical field of exosome freeze-dried powder, and discloses exosome freeze-dried powder and a preparation method thereof, the exosome freeze-dried powder contains mesenchymal stem cell exosome, trehalose, sodium hyaluronate, hydroxypropyl-beta-cyclodextrin, glutathione, ceramide and fructo-oligosaccharide. According to the exosome freeze-dried powder, hydroxypropyl-beta-cyclodextrin, glutathione, ceramide and fructo-oligosaccharide are added, the membrane structure integrity of the exosome is effectively protected, the retention rate of active substances in the exosome freeze-dried powder is high, and therefore the effects of resisting inflammation, regulating cell metabolism, promoting tissue repair and the like of the exosome can be fully exerted. In addition, glutathione can directly remove skin free radicals and inhibit oxidative stress injury, and has an anti-oxidation effect; ceramide can also supplement skin lipid barrier, enhance the water locking capacity and enhance the moisturizing effect of sodium hyaluronate; fructo-oligosaccharide can also regulate skin micro-ecological balance, and has anti-inflammatory and bacteriostatic effects.

Provided herein are lipid nanoparticle (LNP) compositions (e.g., pharmaceutical compositions) comprising a therapeutic nucleic acid (TNA), wherein the LNP comprises an ionizable lipid; a "helper" lipid, e.g., a ceramide or distearoylphosphatidylcholine (DSPC); a structural lipid, e.g., a sterol; and one or more types of lipid-anchored polymers, as well as uses thereof.

The invention provides an external application medicine for incontinent dermatitis and a preparation method thereof. The composition is prepared from active ingredients such as a radix sophorae flavescentis extract, calamine, vitamin E, ceramide, a herba portulacae extract, glycyrrhizic acid, chitosan and colloidal oat powder according to a specific proportion. Moisturizing matrixes such as sodium hyaluronate and glycerol and functional components such as tea tree essential oil are supplemented. And through a preparation process of matching high-speed shearing with ultrasonic dispersion, uniform dispersion and stability of each component are ensured. Experimental results show that the composition shows a remarkable synergistic effect in the aspects of anti-inflammation, antibiosis, skin barrier repair and the like, the comprehensive relieving and repairing effect of the composition is superior to that of a conventional drug control, and all the components and a special preparation process are necessary for achieving the optimal effect. The product has no irritation to human skin, is good in safety, can be prepared into various dosage forms such as cream, hydrogel or spray, and is suitable for nursing and repairing sensitive skin.

The invention discloses a preparation method of an external skin care product, belongs to the technical field of cosmetics, and aims to solve the problems of weak effect of a single target spot, poor transdermal permeability of active ingredients and easy inactivation in the prior art. The method comprises the following steps: preparing a composition containing an A-phase licorice extract and a B-phase bearberry extract, wherein the mass ratio of the A phase to the B phase is 1: (1.5-3); the preparation method comprises the following steps: preparing a liposome suspension of which the entrapment rate is greater than or equal to 88% and the particle size is 50-200nm by using a hydrogenated soybean lecithin-phytosterol-ceramide composite membrane material through a membrane dispersion-high-pressure homogenization method; mixing with auxiliary materials to prepare essence or emulsion; and smearing according to 0.5-1mg / cm < 2 > to realize double-target synergistic blackening inhibition. According to the scheme, the melanin inhibition rate reaches 54%-62% through the double-target design in cooperation with composite membrane material liposome delivery, the active ingredient retention rate is larger than or equal to 89% after storage at 45 DEG C for 6 months, the transdermal rate is increased to 40%-48%, and the method is mild, low in irritation and remarkable in application value.

The invention provides a synergistic anti-aging composition based on a white truffle fungus extract, hydrolyzed keratin and soluble collagen and a preparation method of the synergistic anti-aging composition. The essence comprises the following components in percentage by mass: 0.5-5% of a white truffle fungus extract, 1-8% of hydrolyzed keratin and 2-10% of soluble collagen, and is supplemented with cross-linked modified hyaluronic acid, glycerol, ceramide, tocopheryl acetate, phenoxyethanol and a solvent. The preparation method comprises the following steps: preparing the cross-linked modified hyaluronic acid, performing low-temperature enzymolysis extraction on the white truffle bacteria, mixing and dissolving, and preparing the composition. The anti-aging effect of the composition is effectively improved and the stability of the composition is improved through the ternary synergistic effect (the white truffle bacteria can resist oxidation, the hydrolyzed keratin can repair a barrier and the collagen can promote regeneration) and process optimization.

The invention discloses a ceramide composition capable of promoting cell repair and a preparation method and application thereof, and belongs to the technical field of foods.The ceramide composition is prepared from, by weight, 0.5-2 parts of rice bran oil powder, 0.5-2 parts of salvia officinalis extract and 5-32 parts of bioactive peptide. The bioactive peptides comprise fish collagen peptide, cubilose peptide and sea cucumber peptide, and the weight ratio of the fish collagen peptide to the cubilose peptide to the sea cucumber peptide is (30-55): 1: (1-10). Through the synergistic effect of the rice bran oil powder, the salvia officinalis extract and the bioactive peptide, cell repair is promoted jointly, and efficient repair of a skin barrier is achieved.

The present invention relates to a composition comprising, preferably consisting of, (i) a single empty liposome, wherein said single empty liposome is selected from (a) an empty liposome comprising cholesterol, wherein the amount of cholesterol is at least 30% (weight per weight), wherein preferably said empty liposome comprising, further preferably consisting of, cholesterol and sphingomyelin; or (b) an empty liposome consisting of sphingomyelin; or (ii) a mixture of empty liposomes; wherein said mixture of empty liposomes comprises, preferably consists of, at least one empty liposome selected from (a) an empty liposome comprising cholesterol, wherein the amount of cholesterol is at least 30% (weight per weight), wherein preferably said empty liposome comprising, further preferably consisting of, cholesterol and sphingomyelin; (b) an empty liposome consisting of sphingomyelin; and (c) an empty liposome comprising, preferably consisting of, phosphatidylcholine and sphingomyelin; and at least one empty liposome independently of each other selected from an empty liposome comprising, preferably consisting of, lipids or phospholipids selected from cholesterol, sphingomyelins, ceramides, phosphatidylcholines, phosphatidylethanolamines, phosphatidylserines, diacylglycerols, and phosphatidic acids containing one or two or more saturated or unsaturated fatty acids longer than 4 carbon atoms and up to 28 carbon atoms; for use in a method for preventing or reducing biofilm formation or for eradicating or reducing existing biofilm.

The invention provides an antibacterial composite hydrogel dressing loaded with a herba houttuyniae nano preparation as well as a preparation method and application of the antibacterial composite hydrogel dressing, and belongs to the technical field of medicines. According to the composite hydrogel dressing, methacrylamide hydrogel serves as a matrix, houttuynia cordata carbon dots are prepared through a hydrothermal synthesis method, the houttuynia cordata carbon dots and houttuynia cordata exosomes are jointly loaded in the methacrylamide hydrogel, and the composite hydrogel dressing is obtained. Wherein the herba houttuyniae carbon dots endow the hydrogel dressing with remarkable antibacterial activity and biocompatibility; ceramide, monogalactose diglyceride, phosphatidyl ethanolamine and the like in lipid components of the herba houttuyniae exosome have potential anti-inflammatory and tissue regeneration functions. The composite hydrogel loaded with the cordate houttuynia nano preparation prepared by the invention can realize controlled release of cordate houttuynia carbon dots and exosomes at wound parts, not only can promote cell proliferation and migration, but also can promote healing of diabetic wounds, and provides a new thought for healing of diabetic wounds.

The invention discloses retinol retinoate-ceramide lipidosome modified by hyaluronic acid and salts thereof and a preparation method of the retinol retinoate-ceramide lipidosome, and belongs to the technical field of cosmetic nano-carriers. The preparation method comprises the steps that retinol retinoate-ceramide lipidosome is prepared, hyaluronic acid is pretreated, and the hyaluronic acid and the salts thereof are combined to prepare the retinol retinoate-ceramide lipidosome. The liposome is modified by hyaluronic acid and salts thereof in a dual-mechanism manner, and purification and stabilization are realized; the preparation method of the retinol retinoate-ceramide liposome comprises the following steps: dissolving phospholipid, a functionalized lipid component with positive ions and amino functional groups, cholesterol, retinol retinoate and ceramide in absolute ethyl alcohol to serve as an organic phase, taking a phosphate buffer solution as a water phase, dropwise adding the organic phase into the water phase under a stirring condition, stirring, performing ultrasonic treatment, washing, and drying to obtain the retinol retinoate-ceramide liposome. Performing membrane extrusion to obtain a liposome suspension; the retinol retinoate-ceramide liposome modified by hyaluronic acid and salts thereof prepared by the invention has excellent stability, skin transmittance and anti-aging and moisturizing effects, also has low irritation, and is suitable for anti-aging cosmetics.

Provided herein are methods and materials for using organisms (e.g., engineered yeast strain-derived) to generate lipid compositions which can modulate cellular aging, extend lifespan, and / or modulate gut homeostasis in a subject. The lipid compositions contain at least twelve of the lipids selected from a phosphatidylethanolamine (PE); a lysophosphatidylethanolamine (LPE); a diacylglycerol (DG); a monoglyceride (MG); an acyl carnitine (AcCa); a phosphatidic acid (PA); a phosphatidylglycerol (PG); a lysophosphatidylcholine (LPC); a triacylglycerol (TG); a cholesterol ester (ChE); a wax ester (WE); a phosphatidylserine (PS); a phosphatidylcholine (PC); a phosphatidylinositol (PI); a ceramide (Cer); and a lysophosphatidylserine (LPS).

The invention discloses a stable supramolecular collagen hyaluronic acid body as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, constructing a supramolecular solvent system by taking betaine as a hydrogen bond receptor and taking polyol / sodium hyaluronate as a hydrogen bond donor, and preparing the stable supramolecular collagen hyaluronate from the supramolecular solvent and lipidosome colostrum prepared from lecithin, cholesterol, ceramide, collagen, polyol and water. According to the invention, collagen and sodium hyaluronate are not in direct contact in space in a form of lipidosome wrapping, the problems that flocculent precipitates are easily generated and the system is unstable when collagen and sodium hyaluronate are commonly used can be solved, and a dual delivery system formed by the supramolecular solvent and lipidosome has excellent human body permeability and efficacy.

The present invention provides A ceramide compound, comprising: a structure of general formula I or an enantiomer or diastereomer of general formula I:in which:R1 is selected from the condensation residues of ferulic acid, sinapic acid, abscisic acid, sotretinoin, tretinoin, fusidic acid, royal jelly acid, sorbic acid, caffeic acid or trans-cinnamic acid;R2 is selected from one of the following structures:—C15H29, —C15H31, —C15H27, —CHOHC14H27, —CHOHC14H29.The present disclosure also provides a ceramide compound containing conjugated carboxylic acid, preparation method therefor and application thereof. The invention reacts functional carboxylic acid with sphingosine base to obtain a class of ceramide compound with novel structure. The introduction of physiologically active molecular fragments of functional carboxylic acids into ceramides will enhance the original efficacy of this type of molecules and also improve the physical and chemical properties of ceramide compound. For example, improving the antioxidant properties of ceramide compound.

The invention belongs to the technical field of cosmetics, and particularly relates to a mask formula and a processing method thereof, the mask formula takes natural active ingredients as a core, and multiple skin care advantages are realized through scientific proportioning and an innovative process. A film forming system adopts a sodium alginate and hydroxypropyl methylcellulose compounding technology to form an air-permeable film, so that the air-permeable film can be tightly attached to the skin to promote absorption, and the skin stuffiness feeling of a traditional mask is avoided; cold-pressed camellia-seed oil is selected as a matrix, high-content oleic acid of the cold-pressed camellia-seed oil is highly matched with a sebum structure, and a bionic lipid barrier is formed by matching with ceramide, so that the water locking and repairing capability is remarkably improved. Microencapsulated nicotinamide and concentrated portulaca oleracea extract are creatively applied in an active system to achieve synergistic interaction, the microencapsulated nicotinamide continuously whitens skin and fades spots through a slow release technology, and the concentrated portulaca oleracea extract contains flavonoid compounds to accurately relieve inflammation and reduce sensitivity risks.

The invention belongs to the technical field of fermentation and metagen preparations, and particularly relates to application of bifidobacterium breve metagen in the aspects of scavenging free radicals and relieving oxidative aging. According to the present invention, the oxidative free radical scavenging experiment results show that the bifidobacterium breve NKU BB 1-2 metagen has good oxidative free radical scavenging ability, and has good scavenging ability on hydroxyl free radicals, superoxide anions and DPPH free radicals; meanwhile, through component analysis, it is found that the bifidobacterium breve NKU BB 1-2 metagen contains various antioxidant and anti-aging bioactive substances such as flavonoids, indoles, amino acids, bile acids and ceramides; a cell model experiment verifies that the bifidobacterium breve NKU BB 1-2 metagen can obviously relieve oxidative damage to the cells and improve the oxidation resistance of the cells, so that oxidative aging is relieved.

The invention discloses a pharmaceutical composition, which comprises chlorogenic acid, ferulic acid and a zeolite imidazole framework material, the mass ratio of chlorogenic acid to ferulic acid is 4: 1-1: 4, and the zeolite imidazole framework material is a Zn-based zeolite imidazole framework material. In the composition, the compatibility of chlorogenic acid and ferulic acid can synergistically regulate the proliferation, migration and apoptosis of keratinocytes, and restore the physiological function imbalance of human skin keratinocytes caused by EGFRIs. The ZIF can efficiently carry chlorogenic acid and ferulic acid together, the nanoscale particle size of the ZIF is beneficial to permeation of the medicine into the skin, and hydroxyl on the surface of the ZIF and ceramide in the skin are subjected to hydrogen-bond interaction to retain the medicine at the focus position. The composition preparation disclosed by the invention is good in moisturizing performance and simple and convenient to use, and can be used for effectively treating skin toxic reactions such as pustule type rash, skin dryness and itching, perionychomycosis, abnormal hair regeneration and the like caused by EGFRIs.

This disclosure provides: (i) a method of using an anticeramide antibody or an antigen-binding fragment thereof to improve hematopoietic stem cell transplantation for the treatment of various non-malignant and malignant diseases; and (ii) a composition for such treatment.

The present invention provides a method for preparing a ceramide cell phospholipid composition by complex coacervation and its application, belonging to the technical field of cosmetics. It solves the technical problems such as low preparation efficiency, high production energy consumption, poor preservation effect, poor moisturizing and whitening and anti-wrinkle effects of existing cosmetics. The formula of the ceramide cell phospholipid composition prepared by complex coacervation in the present invention is reasonable, with a high ceramide content, good product quality, can be stored for a long time, has the effects of promoting the absorption of active substances and reducing skin irritation, can significantly increase the water content of the skin, has a stable and lasting moisturizing effect, has soothing and repairing effects, and enhances the whitening and anti-aging effects; the method for preparing the ceramide cell phospholipid composition by complex coacervation in the present invention is produced by a combined device, and the hot cycle and pipeline production are adopted to ensure the mixing reaction effect, with high preparation efficiency, short production time and low energy consumption.

The features of the present invention for providing a novel neutrophil activator are as follows. 1. An IL-8 production accelerator containing at least one selected from GlcCer[d18:2(4E,8Z) / 18:0], GlcCer[d18:2(4E,8Z) / 20:0], GlcCer[d18:2(4E,8Z) / 22:0], GlcCer[d18:2(4E,8Z) / 24:0], and GlcCer[d18:2(4E,8Z) / 26:0] as an active ingredient. 2. An IL-8 production accelerator containing GlcCer[d18:2(4E,8E) / 24:0] as an active ingredient. 3. An IL-8 production accelerator containing at least one selected from GlcCer[t18:1(8Z) / 24:0] and GlcCer[t18:1(8Z) / 26:0] as an active ingredient. 4. An IL-8 production accelerator containing GlcCer[d18:1(4E) / 20:0] as an active ingredient. 5. An IL-8 production accelerator containing at least one selected from Cer(t18:0 / 22:0), Cer(t18:0 / 23:0), Cer(t18:0 / 24:0), Cer(t18:0 / 25:0), and Cer(t18:0 / 26:0) as an active ingredient. 6. An IL-8 production accelerator containing at least one selected from Cer[t18:1(8Z) / 24:0] and Cer[d18:2(4E,8Z) / 20:0] as an active ingredient. 7. An IL-8 production accelerator containing at least one selected from Oryza Ceramide A, Oryza Ceramide B, and Oryza Ceramide C as an active ingredient.

The invention belongs to the technical field of cardio-cerebral oil preparation, and provides cardio-cerebral oil and a preparation method thereof. The invention aims to solve the technical problems that kapur is easy to volatilize and short in efficacy, and skin irritation is easily caused by high-concentration addition. The preparation method comprises the following steps: firstly, wrapping menthol in a molecular cavity of beta-cyclodextrin through a molecular inclusion technology to prepare a molecular capsule capable of effectively delaying volatilization and reducing irritation; secondly, preparing a bionic repair emulsion from various bionic lipids such as ceramide, cholesterol and fatty acid through an emulsification process, and taking the bionic repair emulsion as a core delivery carrier; meanwhile, components such as vanillyl derivatives are compounded to prepare a temperature-sensitive compound; the preparation method comprises the following steps: uniformly dispersing independent kapur, the molecular capsule and the temperature-sensitive compound into the bionic repair emulsion, and curing to obtain a finished product. Through molecular inclusion and the bionic repair emulsion, long-acting release of the effect of the kapur is realized, and the skin irritation of the product is reduced.

Described herein are covalently modified polypeptide antigens with improved immunogenicity and / or stability, as well as compositions, cells, and methods related to the polypeptide antigens. The polypeptide antigens are covalently conjugated to one or more steroid acid moieties to improve their stability and / or to elicit improved cellular immunity or improved cellular and humoral immunity against the antigens after administration to a subject. The steroid acids include bile acids and bile acid analogs that enhance endosomal trapping of cargo by enhancing the enzymatic cleavage of endosomal membrane- ensheathed sphingomyelin to ceramide and / or endosomal escape. The steroid acid moieties can be preconjugated to a peptide, and the steroid acid-peptide moiety is subsequently conjugated to the polypeptide antigen. The peptide can comprise one or more domains that confer additional functionality to the modified polypeptide antigen.

The invention introduces novel chemical modifications to sphingomyelin and ceramide molecules, making them readily available for targeted staining and detection techniques, such as click chemistry.

The present application relates to a kind of anti-aging repair essence containing chlorella active ingredient and preparation method thereof.The component of the anti-aging repair essence containing chlorella active ingredient includes chlorella active ingredient, barrier repair agent, humectant, antioxidant, thickening agent and deionized water;The barrier repair agent includes ceramide, cholesterol and plant sphingosine alcohol.The essence provided by the present application takes chlorella active ingredient as main active ingredient, is supplemented with barrier repair agent, humectant, antioxidant and other components, is synergized by promoting cell regeneration, antioxidant protection, promoting collagen synthesis, repairing skin barrier and other multi-target points, realizes the multiple effects of skin repair, anti-aging, whitening and freckle removal, and safety is good, is suitable for long-term use of various skin qualities.

The invention discloses a compound with high water dispersibility and a preparation method and application thereof.The preparation method of the compound with the high water dispersibility comprises the steps that an oil phase containing a water-insoluble compound, an amphiphilic substance and at least two surfactants is mixed with a water phase to obtain a mixed emulsion, then the mixed emulsion is diluted, and the compound with the high water dispersibility is obtained. The compound with high water dispersibility is obtained. The prepared compound with high water dispersibility can be subjected to freeze-drying treatment to obtain compound powder with high water dispersibility, the content of ceramide substances and / or sphingosine substances is high, the compound powder is easily dispersed in water, and the compound powder can stably exist and be dispersed in water under a long-time storage condition, so that the compound powder has good water dispersibility. The phenomena of layering, floccules, precipitation and the like are not easy to occur, and the preparation of daily chemical products is facilitated.