57 results about "Phytosterol esters" patented technology

The invention discloses a nanometer fiber yarn-based phytosterol Pickering emulsion as well as a preparation method and application thereof, and the nanometer fiber yarn-based phytosterol Pickering emulsion comprises the following components in parts by weight: 0.5-1 part of nanometer fiber yarn; 1 to 10 parts of phytosterol / phytosterol ester; 95 to 105 parts of a water phase component; 95 to 105 parts of an oil phase component; the nanofibers are extracted from agricultural wastes; according to the invention, the nanofiber is used as the only or main stabilizer of the phytosterol Pickering emulsion, so that the problems of solubility, emulsion stability and bioaccessibility of phytosterol can be solved at the same time; and efficient interface stability and steric hindrance stability are realized by utilizing a unique nano network structure of the nano fiber yarns, and a natural, safe and efficient phytosterol delivery system is provided.

The invention discloses an immobilized enzyme with a Pickering emulsion stabilizing effect and a preparation method and application thereof. The preparation method comprises the following steps: adding shellac into an alkaline solution, stirring until the shellac is dissolved, preparing an aqueous solution, adjusting the pH value of the solution to 6-8, fully stirring to uniformly disperse shellac particles, and drying to obtain shellac nano-particle powder; the preparation method comprises the following steps: dispersing shellac nano-particle powder in water or a buffer solution, adding EDC (1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride) and NHS (N-hydroxysuccinimide), then adding lipase, and carrying out a coupling reaction to obtain the shellac nano-particle immobilized enzyme. The natural nanoparticle immobilized enzyme prepared by the invention not only can stabilize Pickering emulsion, and the emulsion can realize reversible emulsification-demulsification circulation under the stimulation of acid-base or gas, but also can be used for constructing a phytosterol ester efficient synthesis reaction system.

The invention discloses diglyceride composite edible oil assisting in reducing blood sugar and blood fat and a preparation method thereof, and relates to the technical field of functional edible oil. The diglyceride composite edible oil for assisting in reducing blood sugar and blood fat is prepared from the following raw materials in parts by weight: 40 to 60 parts of high-purity diglyceride oil, 2 to 3 parts of modified flaxseed oil micro powder, 2 to 3 parts of modified camellia oleosa seed oil microcapsule powder, 5 to 8 parts of perilla seed oil, 2 to 5 parts of phytosterol ester, 1 to 3 parts of resistant dextrin, 0.1 to 0.5 part of rosemary extract and 0.05 to 0.15 part of potassium citrate. The compound edible oil is scientific in formula, and the high-purity diglyceride oil is used as a core and matched with various functional components such as the modified flaxseed oil micro powder to synergistically play a role in assisting in reducing blood sugar and blood fat. Through an exclusive modification process, gradient high-pressure homogenization and other standardized preparation processes, the stability and dispersion uniformity of the components are improved, the absorption rate of the active components is high, the storage life is long, no artificially synthesized additive is added, the food is safe to eat, and practicability and health are both considered.

The invention discloses a separation and purification method of phytosterol ester, and particularly relates to the field of fine chemical engineering. The method comprises the following steps: firstly removing a phytosterol crude product from a plant deodorized distillate, then carrying out solvent crystallization on a phytosterol ester concentrated solution from which natural vitamin E is removed, carrying out column chromatography on a crystallized product, and separating to obtain a phytosterol ester product, wherein the filler of the chromatographic column is a mixture of modified silica gel and porous graphene; wherein the modified silica gel is prepared by the following steps: firstly, putting silica gel into a hydrochloric acid aqueous solution for activation to obtain activated silica gel; and carrying out reflux reaction on the activated silica gel, anhydrous toluene and 3-(trimethoxysilyl) propyl methacrylate, and drying to obtain the silica gel modified by the silane coupling agent. According to the separation method disclosed by the invention, the phytosterol ester with high purity and stable content can be separated.

The invention discloses flammulina velutipes polysaccharide nano-liposome as well as a preparation method and application thereof, and belongs to the technical field of biological functional materials. The preparation method specifically comprises the following steps: (1) sequentially performing hot water extraction, deproteinization, alcohol precipitation, dialysis and freeze-drying on flammulina velutipes raw material powder; (2) dissolving in a phosphoric acid buffer solution; (3) mixing and dissolving phospholipid, cationic lipid and a membrane regulator in an organic solvent; (4) mixing and ultrasonic treatment; and (5) carrying out reduced-pressure rotary evaporation, hydration with a phosphate buffer solution, ultrasonic treatment and extrusion. According to the flammulina velutipes polysaccharide nano-liposome and the preparation method thereof, cholesterol is replaced by phytosterol ester to prepare the flammulina velutipes polysaccharide nano-liposome, flammulina velutipes polysaccharide (FVP) is encapsulated in a water core in the liposome, the safety is higher, and the encapsulation efficiency, the storage stability and the immunocompetence of a system are improved. In-vitro experiments prove that the phytosterol ester lipidosome has the effect of promoting macrophage proliferation and nitric oxide generation, and the effect is obviously better than that of the traditional cholesterol lipidosome under the same condition.

The present invention discloses an oil-soluble plant composition with soothing and skin-revitalizing effects and its application. The raw materials of its active ingredients are 9-15 parts of rosemary, 1-5 parts of chamomile flowers, 10-16 parts of evening primrose, and 3-8 parts of phytosterol esters. The plant composition provided by the present invention utilizes the technical scheme of compounding rosemary extract, chamomile flower extract, evening primrose oil, and phytosterol esters. The four efficacy components synergistically enhance the effects. It not only has excellent effects of repairing the skin barrier and soothing, but also can effectively improve the skin glossiness and roughness. Moreover, it has a mild texture, is not easy to cause allergies, and is suitable for a wide range of people.

The invention discloses a red yeast rice powder-phytosterol ester blood fat reducing formula and an embedding technology, and relates to the technical field of health food, the red yeast rice powder-phytosterol ester blood fat reducing formula comprises, by weight, 30-50 parts of red yeast rice powder, 20-40 parts of phytosterol ester, 10-15 parts of fructo-oligosaccharide, and 1-3 parts of a rosemary extract; through the scientifically verified compounding proportion, the competition of the two components in the intestinal absorption stage is avoided, and the bioavailability is improved. Fructo-oligosaccharide is used as prebiotics, so that intestinal health is promoted, and the absorption capacity of intestinal tracts to active ingredients is improved; the rosemary extract has an anti-oxidation effect, can prolong the oxidation induction period of phytosterol ester to 120 hours, can protect monacolin K and phytosterol ester in the red yeast rice powder from being damaged by external factors such as light and heat, and further improves the stability.

The application discloses a phytosterol and phytosterol ester complex agent and application thereof, wherein the complex agent comprises phytosterol and phytosterol ester with a mass ratio of 1:10. The application aims to improve the water solubility and bioavailability of phytosterol, realize synergistic effect by compounding phytosterol and phytosterol ester, interfere with the lipid acquisition of coccidia from multiple targets, up-regulate the expression of cecal tight junction protein to repair the intestinal barrier, inhibit the release of serum and cecal pro-inflammatory factors to relieve inflammatory reaction, regulate the expression of genes related to lipid synthesis and fatty acid oxidation to remodel lipid metabolism homeostasis, and then effectively inhibit the growth and development of coccidia, and significantly improve the growth performance of broilers infected with coccidia.

This invention discloses a camel milk formula powder for assisting in the regulation of blood lipids and its preparation process, belonging to the field of functional dairy product deep processing technology. This formula powder constructs a five-in-one synergistic lipid-regulating network of "exogenous absorption inhibition, endogenous synthesis regulation, oxidative stress protection, intestinal microecological regulation, and vascular endothelial protection." Its core components include a specific ratio of compounded phytosterol esters, microencapsulated complex oils, and medicinal and edible extracts. The preparation process employs stepwise low-temperature microencapsulation and cold spray agglomeration granulation technology to achieve full-process low-temperature protection of active ingredients, with lactoferrin retention ≥90% and ω-3 fatty acid bioavailability increased by more than 25%. This invention's product has comprehensive lipid-regulating effects, 3 times improved oxidative stability, and produces no oil residue or off-odor when mixed, making it suitable for long-term consumption by people with borderline elevated blood lipids. It can also achieve continuous industrial production with a batch mixing uniformity RSD ≤2%.

The invention relates to a phytosterol ester as well as a preparation method and application thereof, the preparation method comprises the following steps: sequentially carrying out saponification reaction and solid-liquid separation on a vegetable oil deodorized distillate to obtain a saponified solution; extracting the saponified solution to obtain an organic phase, and sequentially carrying out evaporation concentration and solid-liquid separation on the organic phase to obtain an extracted concentrated solution; sequentially performing dissolution, decoloration and solid-liquid separation on the extraction concentrated solution to obtain filtrate; sequentially carrying out cooling crystallization, solid-liquid separation and drying on the filtrate to obtain purified phytosterol; carrying out esterification reaction on phytosterol to obtain a reaction product; and sequentially carrying out first purification treatment, second purification treatment and third purification treatment on the reaction product to obtain a phytosterol ester product. According to the preparation method provided by the invention, the problems of poor solubility, low transdermal absorption rate, insufficient stability and the like of the phytosterol are solved, and the yield and the purity of the phytosterol ester are improved, so that the phytosterol ester has a wide application prospect in the field of skin care products.

The invention relates to the technical field of food processing, in particular to a functional oligosaccharide-containing glycolipid double-control composite tablet candy, which is prepared from the following raw materials: functional oligosaccharide, a lipid control component, a sweet base, microcrystalline cellulose, magnesium stearate, monoglyceride and beta cyclodextrin, the functional oligosaccharide is selected from one or more of fructo-oligosaccharide, isomaltooligosaccharide and galactooligosaccharide; the fat control component is selected from one or more of phytosterol ester and conjugated linoleic acid glyceride; the sweet base material comprises maltitol and isomaltulose; the raw materials can also comprise a mulberry leaf extract. According to the invention, a compound system of the functional oligosaccharide, the special fat control component and the auxiliary sugar control component is adopted, and all the components form a synergistic effect, so that not only can the glycemic index be effectively reduced, but also the fat absorption can be obviously inhibited, the double control of the sugar and the fat in a real sense is realized, and compared with the existing single-function product, the efficacy is more comprehensive and more obvious.

The invention discloses a medical sterilizing, antagonistic-free and fat-retaining disinfectant hand sanitizer and a preparation method thereof, and relates to the technical field of hand sanitizers. CHG is used as a main bactericide, sophorolipid, CAB and alpha-glucan oligosaccharide are used as a composite surfactant, and the antagonistic effect of sterilization effect reduction caused by CHG wrapping after a conventional surfactant forms micelles is eliminated; meanwhile, phytosterol ester, glycosylglycerol and madecassoside are introduced as skin fat-retaining components, so that the sebum retention rate is greater than or equal to 95%, meanwhile, the antibacterial rate on staphylococcus aureus is still kept 100%, and the hand washing liquid is suitable for high-frequency hand washing of medical staff.

The invention discloses a multi-structure carrier of recombinant III-type humanized collagen microspheres as well as a preparation method and application of the multi-structure carrier. The multi-structure carrier comprises an inner phase, a middle phase and an outer phase, the recombinant III-type humanized collagen microspheres and hydrogenated lecithin form a chimera which is located in the inner phase; the middle phase is composed of three kinds of grease similar to skin structures, namely phytosterol ester, squalane and polyglycerol-3 diisostearate; the external phase is a sodium hyaluronate aqueous solution. Through W / O / W double emulsification design, recombinant III-type humanized collagen microspheres and hydrogenated lecithin form a chimera and then are wrapped heavily, so that the environmental stability, biocompatibility and transdermal performance of the recombinant III-type humanized collagen microspheres are improved, and the recombinant III-type humanized collagen microspheres have immediate moisturizing and slow-release effects and can be applied to preparation of a skin care product. The effects of long-acting slow release, efficient transdermal and three-dimensional repair of the recombinant III-type humanized collagen microspheres are achieved, and the recombinant III-type humanized collagen microspheres are suitable for high-end cosmetics or medical instruments.

The invention discloses a dendrobium officinale flavone nano-liposome with uric acid reducing activity as well as a preparation method and application thereof. The nano-liposome is prepared based on a sterol substance, a phospholipid substance and a cationic lipid. Wherein the sterol substance comprises phytosterol ester and cholesterol, the phospholipid substance is dipalmitoyl phosphatidylcholine (DPPC), and the cationic lipid is (2, 3-dioleoyl-propyl)-trimethylamine (DOTAP); and a functional active substance dendrobium officinale flavone is encapsulated. The dendrobium officinale flavone nano-liposome is prepared by adopting an ethanol injection method, and the nano-liposome can reduce the content of uric acid and xanthine oxidase, inhibit the level of inflammatory factors and relieve kidney and liver injury, so that hyperuricemia is relieved.

The invention discloses a tea polyphenol ester-phytosterol ester liposome and a preparation method of a layer-by-layer self-assembly coating, and the preparation method comprises the following steps: (1) mixing an active substance with phospholipid, glycerol, phytosterol ester and tea polyphenol palmitate in a buffer solution, and carrying out post-treatment to obtain liposome carrying the active component; (2) adding the liposome carrying the active component into the acidified gelatin solution, incubating, and centrifuging to remove free gelatin, so as to obtain gelatin-coated liposome; and dropwise adding the gelatin-coated liposome into a sodium hyaluronate solution, reacting, and centrifuging to obtain the sodium hyaluronate-gelatin coating modified layer-by-layer self-assembled liposome. The method solves the technical problems of organic solvent residue, limited phytosterol application and lipid oxidation caused by heating, greatly shortens the production time, and is suitable for large-scale industrial production. In addition, the liposome prepared by the method is proved to have good stability and antioxidant activity, and can be widely applied to the fields of foods, daily chemicals and medicines.

The invention provides application of phytosterol ester in preparation of a product for improving lactation performance of bactrian camels, and belongs to the field of bactrian camel breeding. It is found that the lactation performance of the bactrian camels can be remarkably improved by adding the phytosterol ester, especially the beta-sitosterol ester, in the feed, the milk yield of the bactrian camels is increased, and the camel milk fat content and the camel milk density are increased. The invention further provides a feed for improving the lactation performance of the bactrian camels and a method for improving the lactation performance of the bactrian camels, the milk yield of the bactrian camels can be effectively increased, and the quality of camel milk is improved.

The present invention relates to the field of food technology, and in particular to a health food that helps maintain healthy blood sugar levels and blood lipid levels and a preparation method thereof. The following components are included in weight: 30-90 parts of sheep skim milk powder, 0.1-7 parts of coffee extract, 0.5-19 parts of mulberry leaf extract, 0.1-7 parts of plant sterol esters, 0.1-15 parts of Gynostemma pentaphyllum extract, 2-30 parts of resistant dextrin, 0.01-1.8 parts of compound vitamins, 0.01-1.2 parts of vitamin C, 0.001-0.005 parts of chromium compounds, and 0.5-10 parts of theaflavins. The preparation method includes first mixing sheep skim milk powder and resistant dextrin with water, and then shearing the plant sterol esters and the dissolved chromium compounds to obtain an emulsion 1; then dissolving the compound vitamins and shearing and mixing them with the emulsion 1, adding water to the fixed volume, homogenizing, and drying to obtain dry powder; mixing the dry powder with coffee extract, mulberry leaf extract, Gynostemma pentaphyllum extract, theaflavins compounds and vitamin C. Continuous consumption of the health food prepared by the present invention helps maintain healthy blood sugar levels and healthy blood lipid levels, improves impaired glucose tolerance, and does not cause side effects such as liver and kidney damage.

The invention discloses hyaluronic acid modified astaxanthin liposome, a preparation method and application thereof and an oral medicine for treating CD44 overexpression diseases, and belongs to the technical field of biological materials. According to the technical scheme, hyaluronic acid modified astaxanthin lipidosome is combined with a CD44 receptor through hyaluronic acid, and astaxanthin is delivered to liver cancer cells over-expressed by the CD44 receptor in a targeted mode; according to the hyaluronic acid modified astaxanthin lipidosome, the hyaluronic acid modified lipidosome is used as a carrier of astaxanthin, and the hyaluronic acid modified astaxanthin lipidosome is delivered in an oral administration mode; the liposome comprises lecithin and phytosterol ester; and the hyaluronic acid modified astaxanthin liposome takes lecithin and phytosterol ester as wall materials. The invention is applied to the aspect of CD44 overexpression disease treatment, and solves the problem that the application of astaxanthin in preparation of oral medicines for treating CD44 overexpression diseases is limited due to the fact that astaxanthin cannot be well combined with a targeted biomarker CD44 receptor on liver cancer cells when astaxanthin is orally delivered in the prior art.

The present invention features new testosterone undecanoate (TU) dosing regimens, e.g., for testosterone replacement therapy. The TU may be formulated with phytosterols or phytosterol esters.

The invention discloses a wood nanocellulose hydrophobic oil-resistant agent as well as a preparation method and application thereof, and belongs to the technical field of oil-resistant agent preparation. According to the preparation method of the wood nanocellulose hydrophobic oil-resistant agent provided by the invention, a hydrogen bond acceptor, a Bronsted acid donor and a Lewis acid metal salt are adopted to construct a ternary eutectic solvent, a lignin network in chemi-mechanical pulp is cooperatively cracked, and a catalytic environment is provided; synchronously adding chemi-mechanical pulp and a bio-based modifier coumaric acid-phytosterol ester into the solvent, and integrally completing in-situ nanocrystallization dissociation and surface hydrophobic esterification functionalization of the fibers in an inert atmosphere; and carrying out shearing dispersion assisted by dihydrolevoglucosenone, centrifugal purification and reduced pressure distillation on the reaction mixture to obtain the wood nanocellulose hydrophobic oil-resistant agent. According to the method, synchronous construction of efficient nano dissociation and a modified catalytic environment of the chemi-mechanical pulp is achieved through the ternary eutectic solvent, a nano-crystallization-hydrophobic oil-resistant modification integrated process is achieved, toxic and harmful substances are avoided, and the method is green and environmentally friendly.

The invention relates to the technical field of microbial feed additives, and discloses a feed lactic acid bacteria additive and a preparation method thereof.The preparation method comprises the steps that lactobacillus plantarum and / or enterococcus faecalis are / is used as strains for activation and expanding culture, agricultural and sideline product waste is used as a substrate for liquid-state deep fermentation, and mature fermentation liquor is obtained; mixing the mature fermentation liquor with a composite protective agent containing double essential oil, chitosan, theabrownin and porous silicon dioxide, granulating, and pre-drying at low temperature to obtain a semi-dry particle core; and coating with kappa-carrageenan / konjac glucomannan / phytosterol ester composite gel, drying and packaging to obtain a finished product. The double essential oils, the chitosan and the theabrownin are combined to form a full-spectrum active antibacterial system; the elastic composite gel outer layer realizes dual protection of liquid water and water vapor; porous silicon dioxide actively maintains low water activity of particles to prevent lactic acid bacteria from being recovered in advance; the product has the advantages of high viable count, strong heat and acid resistance and excellent storage stability.

The invention provides a bright-surface, makeup-holding and color-fixing lipstick and a preparation method thereof. The composition comprises the following components in percentage by weight: 15%-20% of phenyl-containing polytrimethylsiloxane, 3%-6% of synthetic wax, 0.1%-0.5% of meadowfoam seed oil, 0.1%-0.5% of simmondsia chinensis seed oil, 0.1%-0.5% of phytosterol ester and a film-forming agent; the phase B contains an emollient; the phase C contains a colorant; and the phase D contains other auxiliary agents. The preparation method comprises the following steps: adding the A-phase raw materials into a reaction container, heating and dissolving at 90 + / -5 DEG C, stirring after dissolving, and preserving heat; sequentially adding the B-phase component, and continuously stirring at constant temperature for 5 minutes; heating to 80 + / -5 DEG C, adding the phase C, homogenizing to a colorless point, controlling the temperature to 75 + / -5 DEG C, sequentially adding the phase D component, and stirring at constant temperature for 5 minutes; and filling to obtain the product. The phenyl silicone oil is incompatible with common grease, the linker and the synthetic wax are added to form a stable system, the system is damaged during smearing, and the phenyl silicone oil floats upwards to form oil film fixation. Meanwhile, a specific film-forming agent is added into common grease to form a protective film, so that the adhesive force is enhanced, and the advantages of small makeup resistance, weak stickiness and the like are also brought.

The invention provides a composition for nourishing scalp and protecting hair as well as a preparation method and application thereof, and relates to the technical field of daily chemical products. The composition for nourishing the scalp and protecting the hair is prepared from the following raw materials in parts by weight: 0.01 to 5 parts of phytosterol ester, 0.01 to 3 parts of cocamidopropyl-PG-sodium dimethyl ammonium chloride phosphate, 10 to 60 parts of rose hydrosol and 0.01 to 5 parts of dendrobium officinale polysaccharide essence. All the components in the composition cooperate with one another, so that the composition can regulate hair and maintain scalp, and the effects of repairing scalp barriers, relieving scalp irritation, balancing water and oil secretion and softening the hair are achieved.

The invention discloses a freeze-dried powder base containing a bionic sebum composition and a preparation method of the freeze-dried powder base, and belongs to the technical field of cosmetics. The freeze-dried powder substrate comprises a freeze-dried powder phase and a liquid matrix phase in a weight ratio of 1: (3-6), the freeze-dried powder phase is composed of a phase A, a phase B, a phase C and a phase D, the phase C contains a bionic sebum composition, and the composition is formed by compounding ceramide, a phytosterol ester compound and squalane according to a specific weight ratio; the liquid matrix phase comprises a water phase and an oil phase, and the components of the phases are proportioned according to specific weight percentages. Through the cooperation of the bionic sebum composition and the freeze-drying process, the foundation can quickly reconstruct a human sebum-like film, skin cutin gaps are filled, and the technical problems that a traditional foundation make-up is poor in skin attaching performance, prone to powder clamping and short in make-up lasting time are solved; and meanwhile, the freeze-drying process can stabilize functional components which are easy to inactivate at high temperature, so that the function of combining base makeup and care is realized.

The application discloses a preparation method of phytosterol ester, and relates to the technical field of food engineering, and comprises the following steps: loading a catalyst and active ingredients, wherein the active ingredients comprise stannous oxide, and the loading material comprises one or more combinations of kaolin, activated clay and diatomite; a phytosterol mixture and oleic acid with a preset concentration are added into a reaction kettle according to a first preset mass ratio, and are uniformly mixed; the loaded catalyst is further added into the reaction kettle, and the mass ratio of the loaded catalyst to the phytosterol mixture is a second preset mass ratio; the reaction kettle is controlled to reach a preset vacuum pressure, and a phytosterol ester is obtained by reacting at a first preset temperature and a preset stirring speed for a first preset time; and the application can solve the technical problems of complex process and catalyst residue in the prior art.

The invention discloses a high-internal-phase emulsion with stable food-grade lipid eutectic Pickering particles as well as a preparation method and application of the high-internal-phase emulsion. The preparation method comprises the following steps: preparing lipid eutectic Pickering particles by taking high-melting-point lipid and phytosterol ester as a lipid eutectic matrix and supplemented with an emulsifier aqueous solution, respectively taking the lipid eutectic Pickering particles as a continuous phase and vegetable oil as a dispersed phase, setting the volume fraction of the inner phase to be 75-85%, and setting the volume fraction of the outer phase to be 75-85%; the oil-in-water type high internal phase emulsion stabilized by food-grade lipid eutectic Pickering particles is prepared. Liquid drops of the high-internal-phase emulsion are arranged in a compact and extruded mode, the stability of the emulsion in hot processing is improved due to the existence of an interface eutectic particle layer, raw material composition protection is achieved, and grease oxidation and high-temperature bad product formation in hot processing are reduced. The invention provides a feasible way for constructing the high-internal-phase emulsion with the active eutectic interface layer, and is beneficial to wide application of the high-internal-phase emulsion in the hot-processing food industry.

The present invention belongs to the field of quality standards and detection technology of health food, and specifically relates to a detection method for simultaneously determining the contents of multiple free sterols and moracolin K in a plant sterol ester red yeast rice soft capsule. The present invention utilizes ultrasound to extract effective ingredients, and utilizes reverse phase chromatography as a means of separating and detecting target components and eliminating interference from auxiliary materials. Using methanol-water-phosphoric acid mixed solvent as mobile phase A, methanol-isopropanol mixed solvent as mobile phase B, and methanol as mobile phase C, gradient elution is performed in a reverse phase analytical column, and the contents of multiple free sterols and moracolin K are simultaneously determined. The detection method provided by the present invention solves the problems of low separation of multiple sterols, poor accuracy and interference from auxiliary materials in the prior art, and the peak shape of each component is good, and the separation degree is greater than 1.2. Provide data support and reference for the formulation of product quality standards and the screening of preparation processes.

The invention provides low-fat margarine and a preparation method thereof, and belongs to the technical field of food processing. The low-fat margarine disclosed by the invention is prepared from the following components in parts by mass: 12 to 20 parts of vegetable fat, 2 to 5 parts of phytosterol ester, 3 to 5 parts of a compound emulsifier, 35 to 45 parts of water, 1 to 2 parts of a thickening agent, 0.06 to 0.12 part of an antioxidant, 0.5 to 1 part of a flavoring agent and 0.1 to 0.2 part of a pH (Potential of Hydrogen) regulator, the preparation method comprises the following steps: heating vegetable fat, adding phytosterol ester and a compound emulsifier, stirring to obtain an oil-phase mixture, heating water, adding a thickening agent, stirring, cooling, adding an antioxidant, a pH regulator and a flavoring agent, stirring to obtain a water-phase mixture, mixing and stirring the water-phase mixture and the oil-phase mixture, carrying out homogenization treatment twice, carrying out gradient cooling, and curing to obtain a finished product. The low-fat margarine is obtained. The low-fat margarine disclosed by the invention is low in fat content, fine and smooth in taste, close to natural cream, high in system stability and long in shelf life.

The invention relates to the field of wet wipes, and discloses a degradable wet wipe and a production process thereof.The degradable wet wipe comprises a degradable non-woven fabric base material and skin moisturizer, the degradable non-woven fabric base material is prepared from modified polylactic acid fibers and natural fibers through needling and shaping, and the skin moisturizer comprises glycerin, double-layer modified composite lipidosome and a humectant; the modified polylactic acid fiber is prepared by mixing modified titanium dioxide and polylactic acid, granulating and then melt-blowing and spinning, the modified titanium dioxide promotes flaky chitosan to be crosslinked into spheres by using an emulsion polymerization method, quaternization is performed, and then titanium dioxide nanoparticles are attached to the surface by using a hydrothermal method; according to the double-layer modified composite lipidosome, soybean lecithin is used as a main membrane material to construct baicalin-phytosterol ester composite lipidosome, and then chitosan and collagen peptide-sodium carboxymethyl cellulose are self-assembled layer by layer to wrap the surface of the composite lipidosome, so that the degradable wet tissue is prepared. Meanwhile, good oxidation resistance is achieved.

The invention relates to the technical field of functional preparations, in particular to a composition for inhibiting activity of 5 alpha-reductase and application of the composition. The composition disclosed by the invention is prepared from the following components in parts by weight: 1 to 40 parts of lycopene, 80 to 400 parts of phytosterol and / or phytosterol ester and 0.7 to 3.3 parts of melia azedarach leaf evodia rutaecarpa cornus officinalis B. In the composition, all the components are mutually matched and supplement each other, the composition has a remarkable effect of inhibiting the activity of 5alpha-reductase, and androgen dependent diseases such as androgenetic alopecia, benign prostatic hyperplasia and the like can be effectively improved. The raw materials of the composition are all natural active components, so that the composition has good effects of improving benign prostatic hyperplasia and inhibiting androgenetic alopecia, is safe and effective, and has a wide application prospect.