170 results about "Sterol ester" patented technology

The invention refers to a process for the preparation of a fat composition containing fatty acid sterol esters, free sterols and glycerides, which process can be characterized as a one pot direct interesterification of sterols with tri-glycerides. The invention also refers to the fat composition obtained by said process, and to the use thereof in a food, cosmetic or pharmaceutical product.

A formulation for drug delivery, providing enhanced modulation of solubility, stability, absorption, metabolism, and / or pharmacokinetic profile of a lipophilic therapeutic agent by formulation with sterols and / or sterol esters, resulting in higher bioavailability of a therapeutic agent administered to a subject in need of such therapeutic agent. The formulation contains a therapeutic agent and a sterol or sterol ester, and can, optionally, further contain a solubilizer and / or an enhancing agent. Also described are pharmaceutical compositions containing the formulations and methods of making and methods of using the formulations and pharmaceutical compositions. Formulations of the disclosure can be constituted to minimize the synthesis of dihydrotestosterone when the therapeutic agent includes testosterone or testosterone esters.

The present invention provides a non-naturally occurring High-Density Lipoprotein-like peptide-phospholipid scaffold (“HPPS”) nanoparticle. More particularly, the invention provides a non-naturally occurring peptide-lipid nanoscaffold comprising: (a) at least one phospholipid; (b) at least one unsaturated lipid, preferably an unsaturated sterol ester, further preferably an unsaturated cholesterol ester, further preferably cholsteryl oleate; and (c) at least one peptide, the peptide comprising an amino acid sequence capable of forming at least one amphipathic a-helix; wherein the components a), b) and c) associate to form the peptide-phospholipid nanoscaffold. In embodiments of the present invention, a cell surface receptor ligand is incorporated into the HPPS. In one embodiment, the cell surface receptor ligand is covalently bonded to the peptide scaffold of the HPPS nanoparticles. In other embodiments, a cell surface receptor ligand is coupled to a lipid anchor and is displayed on the surface of the HPPS nanoparticles by incorporation of the lipid anchor into the phospholipids monolayer of the HPPS nanoparticle. The present invention also provides pharmaceutical formulations comprising HPPS nanoparticles and methods of making the HPPS nanoparticles.

A process for separating VE, sterol and sterolester from the deodored distillate of plant oil features that the sterol is separated out by directly dynamic crystallizing, the lipase is used to convert the fatty acid in oil and the neutral oil to methylester of fatty acid, and the molecular distillation is used to separate high-purity methylester of fatty acid and VE.

Personal care compositions containing at an alpha-glucan and / or beta-glucan; at least one additional skin and / or hair care active selected from the group consisting of sugar amine, vitamin B3, retinoids, peptides, phytosterol, dialkanoyl hydroxyproline, hexamidine, salicylic acid, n-acyl amino acid compounds, sunscreen actives, water soluble vitamins, oil soluble vitamins, hesperedin, mustard seed extract, glycyrrhizic acid, glycyrrhetinic acid, carnosine, Butylated Hydroxytoluene (BHT) and Butylated Hydroxyanisole (BHA), menthyl anthranilate, cetyl pyridinium chloride, ergothioneine, vanillin or its derivatives, diethylhexyl syrinylidene malonate, melanostatine, sterol esters, tetrahydrocurcumin, their derivatives, their precursors, and combinations thereof; and a dermatologically acceptable carrier.

Provided are an oxidation hair dye and a hair bleach, in particular, an oxidation hair dye and a hair bleach effective in use on dyed hair which has solved the problems in using oxidation hair dye or hair bleach, specifically problems such as hair showing a hard and unfavorable texture when treated by oxidation hair dye and hair bleach due to damage to the hair from those agents. An oxidation hair dye characterized by comprising ceramides and / or sterol esters, lecithin or a lecithin derivative and silicones.

Antiperspirant compositions herein comprise an antiperspirant active, a carrier and a structurant for the carrier which comprises an effective concentration of a combination of at least one sterol and at least one sterol ester, to form a solid or a soft solid. The compositions can be anhydrous and in the form of a suspension of antiperspirant active, or can comprise aqueous emulsions.A particularly suitable sterol comprises beta sitosterol and a particularly preferred sterol ester comprises oryzanol. Preferably the mole ratio of sterol to sterol ester is in the range of 3:1 to 1:2.

The invention discloses a method wwhich extracts phytosterol from vegetable oil asphaltum, the technology of this method is simple, and the material is cheap and facile, the productivity of product is high, the cost of product is low. The method of this invention is translating the free fatty acid of material into fatty acid ester by using esterification, getting oil phase containing much sterol ester by wash, then getting the product via the alcoholysis of free fatty acid in material by organic solvent, forming a fire-new process flow, realizing the of natural sterol.

Compositions in powder form of sterols or stanol esters, and milk powder and / or proteins are disclosed. A process of making the compositions is also disclosed. The suitability of incorporation of the compositions in powder form in food products, for example beverages and milk products, is also disclosed.

Compositions containing extracts of Aloe which are suitable for dietary supplements and / or functional food products are disclosed. The compositions which further comprise extracts of other plants are also disclosed. The compositions of extracts of Aloe in combination with chitosans, fatty acids, sterols and / or sterol esters are additionally disclosed. The compositions disclosed induce satiety and / or reduce the appetite.

The invention relates to a preparation method of sterol ester and in particular relates to an enzymatic synthesis method of phytosterol ester / phytostanol ester by utilizing ultrasonic enhancement. The method is characterized by comprising the following steps: 1) preparing a heterogeneous enzyme reaction system: weighing the phytosterol ester / phytostanol ester and fatty acid at a molar ratio of 1:(1.2-2), adding a reaction solvent, and adding enzyme and a molecular sieve; 2) performing enzymatic esterification with ultrasonic assistance: immersing an ultrasonic probe in a reaction solution, opening an ultrasonic wave generator, constantly radiating with ultrasonic wave for 0.5 to 3 hours under mechanical stirring, and continuously reacting for 4 to 10 hours under mechanical stirring after the radiation is completed; and 3) removing the fatty acid with ultrasonic assisted saponification to obtain the product. According to the method, the enzymatic esterification reaction time can be remarkably shortened, the usage of enzyme can be reduced, and the saponification speed of excessive fatty acid can be accelerated, so that the efficiency of separation and purification can be improved, and the obtained phytosterol ester / phytostanol ester product has the characteristics of light color, high purity and safety without contamination.

The invention provides morinda citrifolia enzyme skin whitening sunscreen cream and a preparation method thereof. The morinda citrifolia enzyme skin whitening sunscreen cream, in percentage by weight, comprises the following components: stearin, hexadecyl / octadecyl natural fatty alcohol, caprylic / capric triglyceride, isononyl isononanoate, jojoba oil, polydimethylsiloxane, sterol ester, vitamin E, methylparaben, propylparaben, glycerol, an amino acid moisturizer, allantoin, lauryl alcohol ether, morinda citrifolia enzyme and deionized water. The morinda citrifolia enzyme skin whitening sunscreen cream provided by the invention has obvious free radical scavenging capability, can effectively inhibit growth of melanin and has good ultraviolet absorption effect and realizes skin whitening, sunscreen and skin protection effects, the preparation method is simple and easy to operate, and production cost is relatively low.

This invention relates to a highly efficient artificial low-density lipoprotein (LDL) carrier system for the targeted delivery therapeutic agents across the blood-brain barrier (BBB). In particular, this invention relates to artificial LDL particles comprised of three lipid elements: phosphatidyl choline, fatty-acyl-cholesterol esters, and at least one apolipoprotein. The present invention further relates to compositions, methods and kits comprising artificial LDL particles for targeting drugs to and across the BBB for the prevention and treatment of brain diseases.

A confectionery chew for lowering serum cholesterol in an animal in need thereof including a carbohydrate, a seeding agent, which can be a fondant, a structuring agent, which can be a protein, a starch, a hydrocolloid, and mixtures thereof, and cholesterol lowering agent selected from a sterol, a sterol ester, a stanol, a stanol ester, and mixtures thereof.

Processes are provided for preparing ready-to-eat health bars such as chocolate granola bars and chocolate confectioneries such as dark or milk chocolate chews. The bars and confectioneries contain sterol ester(s) and / or stanol esters and cocoa solids having a high cocoa procyanidin content. The cocoa solids are pretreated with the sterol / stanol ester(s) or other edible oils or fats during the preparation of the products to prevent the loss of cocoa procyanidins. Other particulate antioxidants can be pretreated with food grade fats and / or oils or emulsifiers such as lecithin to conserve their effectiveness.

The invention discloses a phytosterol and sterol ester preparing method. The preparing method includes the steps that vegetable oil deodorized distillate is used as a raw material and is heated and filtered to remove impurities; the reaction material and low-carbon monohydric alcohol are fully mixed and heated and pass through a cationic resin column; the low-carbon monohydric alcohol and water are removed in a pressure reduction mode; crystallization is carried out, and coarse solid phase plant phytosterol and a liquid phase substance are obtained through filtering and separating; secondary crystallization is carried out, and refined solid phase plant phytosterol is obtained through filtering and separating; the obtained solid phase plant phytosterol is dried to obtain phytosterol; phytosterol and fatty acid methyl ester are mixed and heated to 85 DEG C to be fully dissolved; a catalyst sodium methylate is put, the temperature is raised to 135-150 DEG C for pressure-reduction reaction; the reaction liquid is cooled to 80 DEG C and washed to be neutral; after washing, the reaction liquid is subjected to molecular distillation to obtain phytosterol. The preparing method has the advantages of being low in production cost, stable in process index and high in product yield.

The present invention provides a non-naturally occurring High-Density Lipoprotein-like peptide-phospholipid scaffold (''HPPS'') nanoparticle. More particularly, the invention provides a non-naturally occurring peptide-lipid nanoscaffold comprising: (a) at least one phospholipid; (b) at least one unsaturated lipid, preferably an unsaturated sterol ester, further preferably an unsaturated cholesterol ester, further preferably cholsteryl oleate; and (c) at least one peptide, the peptide comprising an amino acid sequence capable of forming at least one amphipathic a- helix; wherein the components a), b) and c) associate to form the peptide-phospholipid nanoscaffold. In embodiments of the present invention, a cell surface receptor ligand is incorporated into the HPPS. In one embodiment, the cell surface receptor ligand is covalently bonded to the peptide scaffold of the HPPS nanoparticles. In other embodiments, a cell surface receptor ligand is coupled to a lipid anchor and is displayed on the surface of the HPPS nanoparticles by incorporation of the lipid anchor into the phospholipids monolayer of the HPPS nanoparticle. The present invention also provides pharmaceutical formulations comprising HPPS nanoparticles and methods of making the HPPS nanoparticles.

The invention relates to a method for the production of oxidation-stable sterol formulations, wherein catechins and / or the derivatives thereof are added to the sterols or sterol esters, and to the formulations produced according to said method. The catechins are preferably used in an amount of 20 to 1000 ppm, based on the sterol or on the sterol ester. Green tea extract may be incorporated as the catechin formulation. The formulations containing sterols produced according to said method have very high oxidative stability and have no displeasing aftertaste.

A formulation for drug delivery, providing enhanced modulation of solubility, stability, absorption, metabolism, and / or pharmacokinetic profile of a lipophilic therapeutic agent by formulation with sterols and / or sterol esters, resulting in higher bioavailability of a therapeutic agent administered to a subject in need of such therapeutic agent. The formulation contains a therapeutic agent and a sterol or sterol ester, and can, optionally, further contain a solubilizer and / or an enhancing agent. Also described are pharmaceutical compositions containing the formulations and methods of making and methods of using the formulations and pharmaceutical compositions. Formulations of the disclosure can be constituted to minimize the synthesis of dihydrotestosterone when the therapeutic agent includes testosterone or testosterone esters.

Personal care composition including a first skin and / or hair care active cetyl pyridinium chloride; and at least one additional skin and / or hair care active selected from the group consisting of tetrahydrocurcumin, sugar amine, vitamin B3, retinoids, hydroquinone, peptides, phytosterol, dialkanoyl hydroxyproline, hexamidine, salicylic acid, n-acyl amino acid compounds, sunscreen actives, water soluble vitamins, oil soluble vitamins, hesperedin, mustard seed extract, glycyrrhizic acid, glycyrrhetinic acid, carnosine, Butylated Hydroxytoluene (BHT) and Butylated Hydroxyanisole (BHA), ergothioneine, vanillin or its derivatives, diethylhexyl syrinylidene malonate, melanostatine, sterol esters, idebenone, dehydroacetic acid, Licohalcone A, creatine, creatinine, feverfew extract, yeast extract, beta glucans, alpha glucans, their salts, their derivatives, their precursors, and / or combinations thereof; and a dermatologically acceptable carrier. The invention further relates to methods for regulating the condition of mammalian keratinous tissue wherein the methods each comprise the step of topically applying to the keratinous tissue of a mammal needing such treatment, a safe and effective amount of the personal care composition of the invention.

The invention provides a method for degumming with magnetic immobilized phospholipase A2. The method comprises the steps of adding magnetic immobilized PLA2 (phospholipase A2) into soybean raw oil for degumming, and recycling magnetic immobilized enzyme with a magnetic field after a reaction is finished. For determination of a phosphorus content after the degumming, oil yield and recycling times of immobilized PLA2, the obtained minimum phosphorus content after the degumming is 20ppm, and the relative activity of the immobilized enzyme keeps around 80% after the oil yield is increased by 1.2%, and magnetic immobilized PLA2 is continuously utilized for eight lots. After magnetic immobilized PLA2, phospholipid formation in degumming oil can be increased; separation of an oil phase and a gum phase is improved; formation of free fatty acid in the degumming oil can be controlled; and sterol can be re-esterified with free fatty acid to form sterol ester to become a part of edible oil. Therefore, physical refining is realized, and the yield of the degumming oil can be increased. The high quality degumming oil with a low phosphorus content can be produced, and the degumming oil contains higher-content functional plant sterol ester at the same time.

The invention relates to preparation and application of a gene and chemotherapeutic drug co-delivery anti-tumor nanoparticle of a target SR-BI (Scavenger Receptor-BI). The nanoparticle is a recombinant high density lipoprotein drug-loaded nanoparticle, comprises phospholipid, cholesterol, cholesteryl ester, apolipoprotein, cation lipid, a chemotherapeutic drug, a gene drug and the like, and is prepared by a film dispersion method. The invention aims at preparing the bionic tumor target drug-loaded nanoparticle, the preparation condition is mild, and the cost is low. The invention further provides the application of the gene and chemotherapeutic drug co-delivery anti-tumor nanoparticle. The gene and chemotherapeutic drug co-delivery anti-tumor nanoparticle has the advantages of spherical structure, good encapsulation efficiency, low cytotoxicity, good targeting, high safety, significant in-vitro anti-tumor effect and the like.

The invention provides a biomarker for diagnosing white matter lesion and application thereof. The biomarker is cholesterol-alpha-D-glucoside. The biomarker cholesterol-alpha-D-glucoside is combined with 6Z,9Z,20-eicosatrienoic acid, ceramide (m18:1(4E) / 24:1(15Z)), ephedrine A, cucurbitacine E, cholesteryl ester 22:6 or ceramide (d18:0 / 24:1(15Z)) to judge whether white matter lesion exists or not. The biomarker for diagnosing the white matter lesion is used for preparing a detection reagent for diagnosing the white matter lesion, and is beneficial for diagnosing whether the white matter lesion tends to exist or not and preventing the white matter lesion in advance.

A nanoparticle of nimodipine contains nimodipine, the carrier chosen from poloxamer cholesterol ester of fatty acid and cholesterol ester of fatty acid, stabilizer and water. Its preparing process is also disclosed.

This invention pertains to the preparation of a sterol ester-enriched food ingredient utilizing a base-catalyzed tranesterification of free sterol with fatty acyl glyceride. Phytosterols are subject to transesterification with fatty acyl glyceride from vegetable oils in the presence of an alkali catalyst. The reaction is performed under vacuum in the range of 0.01-1 Torr. Following an initial period of transesterification, the reaction mixture is distilled to remove glycerol to enhance the formation of sterol esters. A sterol ester-rich fraction can be isolated from the reaction mixture using organic solvents in combination with aqueous washes.

A method for preparing a fat composition by reacting a sterol raw material with a triglyceride raw material to create the fat composition.

The invention relates to a process for isolating sterols and tocopherols from mixtures of fats and fatty derivatives and from residues left after they have been worked up. After splitting of the glycerides by hydrolysis and subsequent removal of the free fatty acids by distillation, the sterol esters still present are largely split into free sterols by an additional hydrolysis step.

The application relates to a method for extracting phytosterol from oil slick asphaltum and a preparation method of sterol ester. The method comprises the following steps: carrying out saponification on tall oil pitch to obtain a crude sterol product; leaching the crude sterol product to obtain a sterol product with the purity of 70-90%; distilling to remove fatty alcohol in the sterol product; crystallizing the obtained product, wherein the purity of the crystal is larger than or equal to 98%. The method in the invention can be used for effectively removing the content of the fatty alcohol in a phytosterol product, improving the purity of the finial product of phytosterol; the steps are simple and easy to operate, and are suitable for industrial production.