35 results about "Wax ester" patented technology

The invention relates to bionic skin barrier cream with a three-layer phospholipid structure and a preparation method of the bionic skin barrier cream, and belongs to the technical field of cosmetics, the bionic skin barrier cream comprises the following raw materials: lecithin, wax ester, triglyceride, composite ceramide, phytosterol oleate, squalane, an antioxidant, polyol, composite amino acid, pyrrolidone carboxylic acid, urea and arginine. A stabilizing agent, a treating agent and the balance of deionized water. The bionic skin barrier cream prepared by the invention has a three-layer phospholipid structure, and compared with a double-layer phospholipid structure in the market, the firmness and hydrophobicity of the double-layer structure are further improved by the added third-layer structure, so that the prepared bionic skin barrier cream has outstanding waterproof, sweat-resistant and light pollution-resistant effects; in addition, the wax ester, the triglyceride, the phytosterol oleate, the pyrrolidone carboxylic acid and the urea selected in the invention have a synergistic effect, and can generate excellent moisturizing and repairing effects and certain protection effects.

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 composition with anti-inflammatory, moisturizing and repairing effects and application of the composition in preparation of skin care products. The composition is prepared from the following components in parts by mass: 0.1 to 1 part of a compound of caprylic acid / capric triglyceride and a ganoderma lucidum extract, 0.1 to 2 parts of a compound of caprylic acid / capric triglyceride and an undaria pinnatifida extract and 10 to 40 parts of hostilochus atlantica oil. According to the composition with the anti-inflammatory, moisturizing and repairing effects and the application of the composition in preparation of skin care products, the anti-oxidation, moisturizing and repairing effects of products can be enhanced. According to the invention, squalene, wax ester, free fatty acid, cholesterol, triglyceride and the like which are mainly included in sebum of a human body can be exogenously supplemented; meanwhile, cholesterol, cholesterol and other components in sebum are exogenously supplemented through the undaria pinnatifida extract, various harmful free radicals are removed through the ganoderma lucidum extract, synthesis of collagen is effectively stimulated, and therefore the skin barrier is further repaired.

Processes for transesterifying wax esters. Implementations may include: providing a feedstock including wax esters, contacting the feedstock with a lipase, and catalytically transesterifying the wax esters in the feedstock with the lipase to form a transesterified product. An oxidative stability index (OSI) of the transesterified product may be greater than an OSI of the feedstock.

Processes for transesterifying wax esters. Implementations may include: providing a feedstock including wax esters, contacting the feedstock with a lipase, and catalytically transesterifying the wax esters in the feedstock with the lipase to form a transesterified product. An oxidative stability index (OSI) of the transesterified product may be greater than an OSI of the feedstock.

This invention relates to the field of crystal materials technology, specifically disclosing a wear-resistant and antibacterial composite leather for electronic skin and its preparation method. The composite leather is composed of delimed bare leather, plant polyphenols, glutaraldehyde, lysine-chitosan graft polymer, tannic acid-zirconium coordination oligomer solution, plant-derived wax esters, and lipase. The preparation method includes: adding plant polyphenols and glutaraldehyde to the delimed bare leather for tanning to obtain primary cross-linked raw leather; adjusting the pH and then adding lysine-chitosan graft polymer and tannic acid-zirconium coordination oligomer for an antibacterial mineralization reaction; then adding plant-derived wax esters and lipase for an enzyme-catalyzed transesterification reaction; finally, drying, rehydrating, and softening to obtain the finished product. This invention, through the synergistic effect of multi-stage processes including composite tanning, synergistic antibacterial action, and enzyme-catalyzed lubrication, enables the composite leather to possess excellent wear resistance, long-lasting antibacterial properties, high breathability, and good softness, making it suitable for wearable devices such as electronic skin and showing promising application prospects.

A frozen aerated confection comprising water and a fat component, wherein the fat component is present in an amount of from 1 to 15 wt%, and wherein the fat component comprises i) a fat blend having a triglyceride composition of from 30 to 80% saturated fatty acids, less than 30% polyunsaturated fatty acids and the remainder being monounsaturated fatty acids, and ii) a wax ester.

The present invention relates to the technical field of skin care products, and provides a biomimetic sebum membrane lipid nanoparticle with a repairing function, a preparation method, an application, and a product. The biomimetic sebum membrane lipid nanoparticle is composed of the following ingredients by weight: wax ester 8%-10%, triglyceride 15%-20%, squalane 3%-6%, sterol 0.1%-2%, ceramide 0.05%-0.25%, lecithin 1%-5%, antioxidant 0.1%-1%, polyol 5%-22.5% and the balance water; the weight content of phosphatidylcholine in the lecithin is ≥45%, and the particle size of the biomimetic sebum membrane lipid nanoparticle is ≤200nm. The sterol added in the present invention has a synergistic effect with the lecithin, so that the biomimetic sebum membrane lipid nanoparticle has a better repairing effect, and adding it to cosmetics can more effectively promote the transdermal penetration and absorption of water-soluble active substances in the formula.

The present invention relates to a composition comprising: (a1) at least one gemini surfactant or (a2) at least two polyglycerol fatty acid esters; (b) at least one jojoba ester wax; (c) at least one C12-C24 fatty acid ester of a C2-C24 polyol; and (d) at least one carboxylic acid or carboxylate anionic surfactant selected from amino acids and salts thereof modified with at least one C8-C30 hydrocarbon-based chain wherein (a2) at least one of the at least two polyglycerol fatty acid esters has at least two hydroxyl groups in its polyglycerol portion. The composition according to the present invention is stable and can provide an excellent texture having both low stickiness and plump feeling.

The invention discloses a moisturizing eyeshade for relieving eye fatigue and a preparation method of the moisturizing eyeshade, and belongs to the technical field of eyeshade preparation. The eyeshade comprises an eyeshade body and elastic ear hooks, and the eyeshade body is sequentially provided with a moisturizing and heat insulation layer, a bionic tear layer, a self-heating layer and an outer cover layer from inside to outside. The moisture-preserving and heat-insulating layer is prepared by soaking cotton velvet non-woven fabric in moisture-preserving gel liquid and then compounding the cotton velvet non-woven fabric with a breathable film; the self-heating layer is prepared by paving a heating mixture on a breathable non-woven fabric and performing hot-pressing sealing by using a gas barrier film; the bionic tear layer is prepared from bionic tears and a non-woven fabric; the two sides of the bionic tear layer are tightly attached to the self-heating layer and the moisturizing and heat-insulating layer respectively, the eyeshade body and the elastic ear hooks are welded through hot pressing, the bionic tear takes rice chaff wax ester and phytosterol as a lipid phase, the lipid phase and an active concentrated solution are stirred and mixed to obtain lipidosome colostrum, and the lipidosome colostrum is processed through a membrane extruder to obtain the eyeshade. The prepared eyeshade has the effects of preserving moisture and relieving eye fatigue.

The present invention relates to a composition comprising: (a1) at least one gemini surfactant or (a2) at least two polyglycerol fatty acid esters; (b) at least one jojoba ester wax; (c) at least one C12-C24 fatty acid ester of a C2-C24 polyol; and (d) at least one carboxylic acid or carboxylate anionic surfactant selected from amino acids and salts thereof modified with at least one C8-C30 hydrocarbon-based chain wherein (a2) at least one of the at least two polyglycerol fatty acid esters has at least two hydroxyl groups in its polyglycerol portion. The composition according to the present invention is stable and can provide an excellent texture having both low stickiness and plump feeling.

The present invention relates to a bacterial process for the production of microbial storage lipids, such as wax esters, triacylclycerides, oils and polyhydroxyalkanoates, from readily available feedstocks derived from biomass. The feedstocks are rich in volatile fatty acids and ammonium, and are generated from biomass via the process of acidogenic fermentation. This allows for the preparation of microbial storage lipids from cheap and readily available biomass sources, such as plant or agricultural waste, or sewage. In particular, the present invention is directed to a process in which the carbon-to-nitrogen ratio of the composition containing volatile fatty acids and ammonium can be effectively controlled so as to optimise the yield of microbial storage lipid production from this process. The present invention also relates to microbial storage lipids that are obtainable by this process, and an apparatus for carrying out the process.

The invention discloses cold cream with a high-barrier repairing effect and a preparation method thereof, and belongs to the field of cosmetics. The plant wax ester composition comprises 10-20 parts of a humectant, 5-10 parts of an emollient and 10-30 parts of a plant wax ester composition, and the plant wax ester composition is composed of 2-16 parts of plant cold grease, 3-12 parts of liquid vegetable fat and 1-5 parts of plant wax. According to the cold cream with the high-barrier repairing effect and the preparation method of the cold cream, a cold curtain tunnel technology is innovatively applied to preparation of the cold cream, a material body passing through a cold channel is rapidly crystallized, a balance critical point of solid grease and liquid grease is achieved in combination with a unique vegetable wax ester technology, and light, thin and melted skin feeling and high-grade texture are brought; the composition has good stability, can lock fresh and alive components and grease, has a remarkable relieving and redness removing effect and an efficient skin barrier repairing effect in an extreme environment, remarkably improves skin defense, has an anti-wrinkle effect, is suitable for sensitive skin and can promote post-medical repairing.

This invention discloses a rust-preventive oil with high salt spray resistance, composed of the following components in parts by weight: 30-35 parts base oil, 8-9 parts rust-preventive additives, 3.5-6 parts film-forming agent, 0.2-0.3 parts ethylene oxide-propylene oxide block copolymer, and 54-58 parts solvent oil. This invention introduces the ethylene oxide-propylene oxide block copolymer into the rust-preventive oil system. The ethylene oxide-propylene oxide block copolymer, in combination with a film-forming agent composed of a specific ratio of oxidized wax, oxidized wax ester, and oxidized wax calcium soap, enables the oil to remain clear and free of precipitation at low temperatures, exhibiting excellent low-temperature stability. Furthermore, it ensures a dense and robust rust-preventive film on the surface of metal workpieces, thereby significantly improving the salt spray resistance of the rust-preventive oil. This makes it suitable for applications requiring high salt spray resistance, such as marine transportation.

The invention relates to the technical field of cosmetics, in particular to a unilateral microemulsion enrichment type freeze-drying mask composition and a preparation method and application thereof.The unilateral microemulsion enrichment type freeze-drying mask composition is prepared from, by mass, 0.3%-7.5% of an emulsifier, 0.11%-8.1% of a water-phase active matter, 1%-74% of an oil-phase active matter and the balance deionized water; the emulsifier comprises an acrylate polymer and a polyglycerol ester emulsifier; the water-phase active matter comprises polypeptide and a humectant; the polypeptide comprises carnosine, acetyl hexapeptide-8, arginine / lysine polypeptide and palmitoyl pentapeptide-4; the oil phase active matter comprises unsaturated fatty acid ester and wax ester. According to the invention, through mixing of three emulsifiers and structural complementation of unsaturated fatty acid ester meadowfoam seed oil and wax ester jojoba oil, the problems of micro-emulsion instability and low permeation efficiency of a traditional freeze-drying mask are solved, directional conveying of water-phase quick release and oil-phase slow release is realized, and the stability of a micro-emulsion system is ensured.

The invention discloses an itching-relieving moisturizing cream for scar nursing and a preparation method thereof, and the itching-relieving moisturizing cream comprises the following components in percentage by mass: a water-phase component comprising water, a chelating agent and a polyol moisturizer; the oil phase component comprises natural lipid, synthetic esters, high-melting-point wax esters and stable alcohols; the active antipruritic composition is prepared from heparin sodium, madecassoside and dihydroquercetin, the silicone oil shaping component comprises volatile silicone oil and a silicone oil film-forming agent; emulsifying a system; and an anticorrosion system. The invention mainly aims to provide the itching-relieving moisturizing cream for scar nursing, and the cream synergistically acts on a plurality of key links of itching through a specific active component combination and a carrier system. The invention also aims to provide a preparation method of the cream, and the method adopts a low-temperature emulsification process to ensure the stability of the thermosensitive active components.

The present invention relates to a composition comprising: (a1) at least one gemini surfactant or (a2) at least two polyglyceryl fatty acid esters; (b) at least one jojoba ester wax; (c) at least one C12-C24 fatty acid ester of a C2-C24 polyol; and (d) at least one carboxylic or carboxylate anionic surfactant chosen from amino acids modified with at least one C8-C30 hydrocarbon-based chain and salts thereof, wherein at least one of the (a2) at least two polyglyceryl fatty acid esters has at least two hydroxyl groups in the polyglyceryl moiety thereof. The composition according to the present invention is stable and can provide an excellent texture of both a less sticky feeling and a rich feel.

The present invention relates to a composition comprising: (a1) at least one gemini surfactant or (a2) at least two polyglycerol fatty acid esters; (b) at least one jojoba ester wax; (c) at least one C12-C24 fatty acid ester of a C2-C24 polyol; and (d) at least one carboxylic acid or carboxylate anionic surfactant selected from amino acids and salts thereof modified with at least one C8-C30 hydrocarbon-based chain wherein (a2) at least one of the at least two polyglycerol fatty acid esters has at least two hydroxyl groups in its polyglycerol portion. The composition according to the present invention is stable and can provide an excellent texture having both low stickiness and plump feeling.

The present invention provides a method for extracting a fatty acid from Euglena oil which contains a wax ester having a group derived from an alcohol having 8-18 carbon atoms, said method comprising: a step for adding an alkaline solution containing ethanol to Euglena oil and saponifying and decomposing a wax ester into fatty acid soap and an alcohol having 8-18 carbon atoms; a step for adding water and oil / fat for extraction and separating and removing the alcohol having 8-18 carbon atoms; a step for adding an acid and decomposing the fatty acid soap into a fatty acid and a salt; and a step for adding one or two selected from the group consisting of water and hexane as an extraction solvent and separating and recovering the fatty acid from an ethanol / water layer, wherein the oil / fat for extraction contains a triglyceride containing a fatty acid residue having 13 or more carbon atoms in an amount of not less than 60 mass%.

This invention, through lipidomics and clinical sample validation, found that prospective follow-up of pre-pregnancy serum samples from women with a history of recurrent pregnancy loss (RPL) revealed that the pre-pregnancy serum levels of phosphatidylinositol PI (18:1 / 18:1) (i.e., PI 36:2), phosphatidylcholine (29:0-6:0) (i.e., PC 35:0), phosphatidylethanolamine (18:1p-18:2) (i.e., PE 36:3p), triglycerides (28:1-10:4-11:2) (i.e., TG 49:7), triglycerides (14:0-18:2-20:5) (i.e., TG 52:7), and wax esters (22:1) (i.e., WE 22:1) were significantly lower in these women than in those who subsequently achieved successful pregnancies. This confirms that the pre-pregnancy serum levels of these six lipids (PI 36:2, PC 35:0, PE 36:3p, TG 49:7, TG 52:7, WE 22:1) were significantly lower in these women than in those who subsequently achieved successful pregnancies. Decreased levels of 22:1 lipids were significantly associated with the risk of miscarriage in subsequent pregnancies. The area under the curve (AUC) of the predictive model constructed by combining six lipids reached 0.85, demonstrating good predictive efficacy. Based on these findings, this lipid combination can serve as a reliable predictor of miscarriage risk in subsequent pregnancies in RPL patients and can be used to develop diagnostic reagents or kits for preconception risk screening.

The present invention provides a method for one-step dewaxing of rice oil to improve the separation efficiency and anti-freezing performance. Specifically, the present invention provides a method for improving the separation efficiency of wax esters in the rice oil to be dewaxed and / or increasing the freezing time of the dewaxed rice oil, as well as a method for dewaxing rice oil, the method comprising the steps of mixing a crystallization promoter and the rice oil to be dewaxed and cooling and crystallizing the resulting mixed oil, wherein the crystallization promoter is a rice oil with a wax content lower than that of the rice oil to be dewaxed. The present invention uses an appropriate amount of wax as the crystal seed for removing high-melting-point lipids, achieving one-step and efficient removal of wax and high-melting-point lipids, and obtaining a significant improvement in separation efficiency and freezing performance.

The present invention relates to a bacterial process for the production of microbial storage lipids, such as wax esters, triacylclycerides, oils and polyhydroxyalkanoates, from readily available feedstocks derived from biomass. The feedstocks are rich in volatile fatty acids and ammonium, and are generated from biomass via the process of acidogenic fermentation. This allows for the preparation of microbial storage lipids from cheap and readily available biomass sources, such as plant or agricultural waste, or sewage. In particular, the present invention is directed to a process in which the carbon-to-nitrogen ratio of the composition containing volatile fatty acids and ammonium can be effectively controlled so as to optimise the yield of microbial storage lipid production from this process. The present invention also relates to microbial storage lipids that are obtainable by this process, and an apparatus for carrying out the process.

The invention discloses a preparation method of a waterproof tin package, and relates to the technical field of packaging bags. Firstly, gallic acid and carnauba wax ester are subjected to chemical reaction and mixed to obtain a mixed wax raw material, the content of fatty alcohol in the mixed wax raw material is reduced, the brittleness is reduced, the toughness is improved, and the packaging bag is not prone to cracking in the using process; the nano silicon dioxide is combined with hydroxyl of gallic acid and is uniformly dispersed to form a rough surface, so that the mechanical property and hydrophobic property of the paper-based packaging material are improved. Secondly, preparing aerogel by compounding tin dioxide and a graphene sheet layer, and preparing an inner layer of the packaging bag; ammonia water and ethyl alcohol are mixed and sprayed for modification, so that the hydrophobicity is improved; graphene and gallic acid are synergistically antibacterial, so that the whole packaging bag is easier to store and not prone to mildewing; the inner layer and the outer layer are not prone to wrinkling and breaking, and can be repeatedly used. The prepared packaging bag has the effects of being waterproof, not prone to damage and long in service life.

The invention relates to a method for preparing fatty alcohol by hydrogenation of fatty acid wax ester. According to the method, an efficient copper-based catalyst is adopted, and the catalyst is a copper-based catalyst with dendritic mesoporous silica nanospheres as a carrier; when the catalyst is applied to a reaction for preparing fatty alcohol through hydrogenation of fatty acid wax ester with a long carbon chain, the three-dimensional open ordered mesoporous structure has a short diffusion path, and diffusion of reactant wax ester molecules to active sites and removal of the product fatty alcohol from the active sites are facilitated. Therefore, higher wax ester conversion rate and fatty alcohol selectivity are obtained. According to the method, the fatty acid wax ester is subjected to hydrogenation reaction by using the reaction kettle, the highest wax ester conversion rate of 98.1% is obtained under the mild conditions of 210 DEG C and 5 MPa, and the selectivity of the byproduct alkane is only 0.16%.

A process produces optionally at least partially saponified wax esters and corresponding products are obtainable by the process. Wax esters produced by the process find application in topical applications.

The invention discloses a method for extracting and refining crude wool fat through subcritical fluid, and relates to the technical field of separation and purification of natural products. According to the method, a subcritical alkane fluid (preferably butane or butane / propane mixed fluid) is adopted as an extraction solvent, and the crude wool fat is selectively extracted at a mild temperature (45-55 DEG C) and a medium-low pressure (0.6-0.7 MPa). Through a one-step or step-by-step extraction process, free fatty acids, pigments, pesticide residues, heavy metals and unpleasant odor components in the crude wool fat are effectively removed, and meanwhile, core functional components, namely wax ester and sterol, of the wool fat are completely reserved. The refined lanolin obtained by the method is light in color, low in acid value, free of peculiar smell and high in biocompatibility, the extraction rate (based on the refined lanolin) can reach 95% or above, the solvent can be completely recycled, the production process is safe, environment-friendly and efficient, and the method is suitable for industrial production of medical and cosmetic-grade high-quality lanolin.

A powder detergent includes sodium coco sulfate, cyclodextrin, jojoba wax ester, a preservative, a chelating agent, and an anticaking agent. Based on a total weight of the powder detergent, the sodium coco sulfate is in an amount ranging from 65 wt % to 85 wt %, the cyclodextrin is in an amount ranging from 3 wt % to 10 wt %, and the jojoba wax ester is in an amount ranging from 1 wt % to 10 wt %.

Provided are a method and a production system for producing Euglena with a high wax ester (WE) content that is improved compared to the past and can more effectively promote WE fermentation, a method and a production system for manufacturing WE or a biofuel composition, and a WE fermentation promoter. A method for producing Euglena with a high WE content, wherein the production method is as follows: Prepare Euglena, culture it under aerobic conditions in the presence of sugar, administer a wax ester fermentation promoting substance in an acidic environment, and maintain it at room temperature for a specified time, wherein the wax ester fermentation promoting substance is one or more compounds selected from monovalent carboxylic acids having at least one of a ketone group, an aldehyde group, and a hydroxyl group in the molecule and having 2 to 4 carbon atoms in the molecule and salts thereof.

The invention discloses bionic skin lipid and a preparation method thereof. The compound vegetable oil composed of the deep sea fish oil, the camellia seed oil and the prinsepia utilis royle oil is selected, and is rich in triacylglycerol, phytosphingosine, squalene, cholesteryl ester, cholesterol, wax ester, phospholipid and other lipids required by skin; candida lipolytica is adopted to ferment the compound vegetable oil, the bionic skin lipid is obtained after fermentation, the content of effective components and the use feeling are obviously improved, and the bionic skin lipid can be used as an active component to be added into a cosmetic matrix. The multi-dimensional effects of maintaining a skin barrier function, preserving moisture, resisting inflammation, regulating micro-ecology and the like are achieved.

The invention belongs to the field of daily cosmetics, and particularly relates to a high-moisturizing micro-ecological skin care cream matrix as well as a preparation method and application thereof. The micro-ecological skin care cream matrix comprises water, grease components, an emulsifier, a thickener, prebiotics, metabiotics, a bionic natural moisturizing factor solution and a pH regulator; the grease component comprises at least one of squalane and wax ester simmondsia chinensis seed oil; the prebiotics are one or more of alpha-glucan oligosaccharide, inulin and fructose; the bionic natural moisturizing factor solution contains free amino acid, pyrrolidone carboxylic acid and sodium salt thereof, lactic acid and sodium salt thereof, and urea. According to the micro-ecological skin-care cream matrix prepared by the invention, the selected grease is mainly skin-friendly fresh grease and cannot cause excessive proliferation of lipophilic propionibacterium acnes on the surface of skin, and meanwhile, the bionic natural moisturizing factor solution is added, so that the problem that the moisturizing capacity of cream is reduced due to selection of the fresh grease is solved.