44results about How to "Antioxidant effect" patented technology

The invention discloses a stem cell exosome microneedle patch for removing freckles and wrinkles. The stem cell exosome microneedle patch comprises a microneedle and a waterproof backing layer for fixing the microneedle, wherein the microneedle is obtained by curing a needle tip solution and a needle body solution, the needle tip solution comprises a stem cell exosome, astaxanthin, trehalose, chitosan, bovine serum albumin and a phosphate buffer solution; and the needle body solution is prepared from PVP K30, PEG 400, squalane and sterile water. The microneedle patch disclosed by the inventioncan penetrate through a skin cuticle barrier, a novel administration path is provided for macromolecular drugs, and the problem of transdermal absorption of an exosome repair solution is solved. Themicroneedle patch can slowly release exosome repair solution, so that the absorptivity of an organism is improved. The microneedle patch has good puncture property, solubility and biological activity,is simple to operate and easy to store, and can be produced on a large scale.

The invention relates to the field of food processing, in particular relates to rosa roxburghii preserved fruit and a production method thereof. The production method of the rosa roxburghii preserved fruit is as follows: according to the weight, adding 0.05-0.2 part of an antioxidant, 0.5-2 parts of sodium chloride and 80-120 parts of water to 80-120 parts of rosa roxburghii, heating, filtering to obtain tannin-removing rosa roxburghii; according to the weight, adding 10-50 parts of sugar to the tannin-removing rosa roxburghii for saccharify to obtain saccharified rosa roxburghii; and drying the saccharified rosa roxburghii to obtain the rosa roxburghii preserved fruit. The rosa roxburghii preserved fruit is prepared from the following raw materials: 80-120 parts of the rosa roxburghii, 0.05-0.2 part of the antioxidant, 0.5-2 parts of the sodium chloride, 80-120 parts of the water and 10-50 parts of the sugar. The tannin in the rosa roxburghii can be removed by dissolving the tannin in the sodium chloride and the water, and browning of the tannin remaining in the rosa roxburghii can be prevented by the antioxidant and heating, and finally the problem of browning of the tannin in the rosa roxburghii can be solved.

The invention provides isolated culture and extraction of plant stem cells of tomato and a preparation method of oral liquids, beverages and white spirit. As stem cells from a plant cambium of tomato is in an undifferentiated state, during amplified culture cells are high in hereditary stability, strong in activity, great in harvest rate and the like. The oral liquids, the beverages and the plant stem cell wine prepared by ethanol ultrasonic extraction have better use to resist cellular oxidation, prevent differentiated cells from turning to tumor cells, and reduce blood fat, blood pressure, cholesterol and e blood sugar.

The invention discloses a processing method of dried crocodile meat. The method comprises the following steps of raw material selection, raw material cleaning, deodorization treatment, primary pickling treatment, secondary pickling treatment, sterilization treatment, vacuum packaging and the like. The processing method of the dried crocodile meat has the advantages that the crocodile meat is subjected to cleaning, deodorization, pickling, baking and packaging to be made into the dried crocodile meat; the processing work procedure is simple; the defects in the prior art are overcome; the original nutrition and mouthfeel of the crocodile meat are maintained to the maximum degree; the unique flavor is realized; after the crocodile meat is soaked by milk, the fragrance of the milk is realized;seasoning materials use a mixture of table salt, pepper powder, hawthorn powder and radix puerariae powder, so that the prepared dried crocodile meat has the effects of nourishing the stomach, stimulating the appetite and enhancing the appetite; a certain health care effect is also achieved; the method is worthy of being popularized; high pressure and low temperature sterilization and UV irradiation sterilization are used; the sterilization effect is good; the packaging environment is aseptic environment; the aseptic state of the dried crocodile meat can be ensured; the instant eating effectafter the bag opening can be achieved.

The application discloses a spicy sausage in the technical field of food processing. The spicy sausage is prepared from the following raw materials in parts by weight: 50-60kg of pork, 1-1.5kg of edible salt, 0.3-0.5kg of monosodium glutamate, 1.5-1.8kg of red wine, 1-2kg of capsicum frutescens, 0.5-0.8kg of Chinese prickly ash, 4-5kg of potato slurry, 2-2.5kg of a mixed liquid and 0.5-1kg of a composite antioxidant. The scheme solves the problem that sausages prepared by the prior art are short in storage period due to oxidation.

The invention relates to the field of food processing, and particularly relates to a roxburgh rose fruit juice beverage and a production method thereof. The production method of the roxburgh rose fruit juice beverage comprises the following steps: step A, juicing roxburgh rose to obtain roxburgh rose fruit juice; step B, filtering 80-120 parts of the roxburgh rose fruit juice to obtain original juice; step C, sterilizing the original juice, during the sterilization, adding 0.2-2 parts by weight of anti-oxidants and 0.2-2 parts by weight of peroxide decomposers into the original juice to obtain the roxburgh rose fruit juice beverage. The roxburgh rose fruit juice beverage comprises, by weight, 80-120 parts of roxburgh rose fruit juice, 0.2-2 parts of anti-oxidants and 0.2-2 parts of peroxide decomposers. According to the invention, both the anti-oxidant and the peroxide decomposer are added during the production, thus synergistic effect of the two agents is reached, and the combination of prevention and treatment is realized, which effectively solving the browning problem of roxburgh rose fruit juice beverages.

The invention relates to a food processing technology, in particular to a preparation method of coatings for waterproof nut granules, and belongs to the technical field of food processing. According to the preparation method disclosed by the invention, an insoluble-in-oil-water principle and a roll coating technique are used, so that surfaces of the granules are sequentially wrapped with hydrophobic substances of syrup, cocoa butter replacer, refined vegetable oil, polisher and the like, and the nut granules have the effects of being waterproof and crispness-keeping. Compared with the prior art, the nut granules wrapped by the coatings made by the method have the important difference that the nut granules can still keep original crisp mouth feel when being added in foods, such as yogurt, milk and milk beverages, being high in moisture content, as well as ice creams, and can achieve the effect of antioxidation, and the shelf life of the nut granules can be prolonged.

The invention discloses a novel antioxidation silane coupling agent containing a hindered phenol structure. The novel antioxidation silane coupling agent is characterized in that the structural formula of the silane coupling agent is shown in the description, wherein R<1> is methyl, ethyl or propyl; R<2> is methyl, ethyl, propyl or cyclohexyl; n is in a range of 1-4. Through combination of inorganic filler modification with antioxidant addition, the novel antioxidation silane coupling agent containing the hindered phenol structure not only has the advantages such as good antioxidation effect,little pollution, low probability of color change and low toxicity or non-toxicity of a hindered-phenol antioxidant, but also has the unique structure and performance such as adhesion, compatibility,dispersity and the like of the silane coupling agent, and compatibility of the antioxidant with a polymer material is improved greatly.

The invention discloses a nanometer soldering flux which comprises a protective agent, nanometer molybdenum carbide, nanometer copper powder and a solvent. The protective agent wraps the surface of the nanometer copper powder to form a protective agent layer, the nanometer molybdenum carbide is embedded in the protective agent layer of the nanometer copper powder, and the protective agent is used for protecting the nanometer copper powder from being oxidized. The invention further discloses a preparation method of the nanometer soldering flux. The invention further discloses a device which comprises a substrate and a chip, and the substrate and the chip are welded through a mixture of the nanometer soldering flux and a binding agent. The invention also discloses a welding method. The welding method comprises the following steps: applying the mixture of the nanometer soldering flux and the binding agent between the substrate and the chip, and pre-sintering for 5-120s at the pre-sintering temperature of 65-180 DEG C; and immediately increasing the temperature to the secondary sintering temperature for secondary sintering after pre-sintering is finished, wherein the secondary sintering temperature ranges from 250 DEG C to 320 DEG C, and the secondary sintering time ranges from 5 min to 30 min.

The invention provides mild and non-irritating moisturizing anti-aging eye cream and a preparation method thereof. The preparation method includes preparing evening primrose oil, lecithin and lanolininto an oil phase; preparing green tea, onions and trehalose into an aqueous phase; and adding yeast glucan into the oil phase, slowing adding the aqueous phase into the oil phase, performing stirringemulsification, performing cooling to room temperature (25 DEG C), adding a camellia stem cell extract, a papaya seed lactic acid bacteria fermented product and an ant extract, performing homogenization treatment, and obtaining water-in-oil eye cream. Raw materials are basically natural products, so that the eye cream is mild and non-irritating; and through the introducing of functional ingredients and the construction of a water-in-oil emulsion system, the functional ingredients can be fully absorbed by eye skins, so that the eye cream has good moisturizing and anti-aging effects on the eyeskins, and therefore, the common wrinkle problems of eyes can be effectively solved.

The invention belongs to the technical field of walnut processing, and particularly relates to a processing method of walnut kernel beverage which comprises the steps of peeling, pulping and blending,homogenizing and sterilizing; the step of peeling is that, freezing walnut kernels at 10-20 DEG C for 30-40 minutes, then putting the walnut kernels into a plasma activating machine, treating the walnut kernels with plasma gas for 4-6 minutes under the conditions of 50-60 Pa pressure and 110-140 W activation power, and then washing the walnut kernels with deionized water at 10-30 DEG C under highpressure to obtain peeled walnut kernels. The walnut kernel beverage prepared by the method disclosed by the invention has high nutritional value, rich nutritional ingredients, uniform texture, fineand smooth taste, and long shelf life. The peeling method is simple and feasible, which has high controllability, high safety, high peeling effect and less nutrition loss. The pulping and blending method is simple and feasible, which has low cost and low control requirement, and can enrich nutrient composition of the walnut kernel beverage, and waste of walnut protein is avoided.

The invention discloses a skin-whitening and moisturizing toner and a preparation method thereof, and relates to the technical field of cosmetics. The skin-whitening and moisturizing toner comprises the following raw materials in parts by weight: 0.5 to 1 part of a purslane extracting solution, 0.5 to 1 part of a radix ampelopsis extracting solution, 0.3 to 0.8 part of a rose extracting solution,0.5 to 1 part of a dendrobe extracting solution, 1 to 2 parts of a dandelion extracting solution, 0.5 to 1 part of an angelica sinensis extracting solution, 0.5 to 1 part of a radix polygonati officinalis extracting soluition, 1 to 2 parts of a coix seed extracting soluition, 0.2 to 0.6 part of sodium alga acid, 1 to 2 parts of sodium hyaluronate, 3 to 6 parts of glycerinum and 100 parts of water.The pure natural plant extracts are taken as main functional components, and are supplemented with common components such as matrix glycerinum to prepare the toner, so that the toner is high in stability and has the effects of clearing heat, nourishing Yin and tonifying spleen, the coarse and water-deficient skin can be improved, freckles are removed, the skin is whitened, the skin is of high elasticity, the nutritional ingredients in various natural plant extracts are effectively absorbed, the emission of skin metabolin is promoted, the skin is whitened and moisturized, and the toner is mildand free of stimulation.

The invention discloses butterfat beef tallow paste and a preparation method thereof. The butterfat beef tallow paste is prepared from the following raw materials including butterfat, cocoa butter, low-fat cocoa butter, hydrogenated coconut oil, refined corn oil, palm kernel oil, refined peanut oil, selenium-rich wheat germ oil, grape seed oil, avocado oil, soybean oligosaccharides, glycerin monostearate, propylene ester of fatty acid, soluble soybean polysaccharide, sorbitan monostearate, tert-butylhydroquinone, beta-carotene, edible essence, microcrystalline cellulose, lycopene, salt, vitamin E, antioxidant of bamboo leaves and tea polyphenol. The butterfat beef tallow paste is harmonious in fragrance, fine and smooth in tissue, salty, sweet, delicious and not greasy; various types of plant oil are added, nutrition is balanced, the immunity of organism to various diseases is enhanced, adverse influences on the human body of high fat can be relieved, and generation of cardiovascular and cerebrovascular diseases is inhibited; a product is externally used, and the functions of nourishing skin, resisting to irritability and nourishing the hair can be achieved.

The invention provides a one-step-feeding method for preparing phthalic-anhydride-modified epoxy acrylate, and a formula thereof. The finished product is prepared from the components of, by weight, 32.4% of epoxy resin 128, 24.7% of phthalic anhydride, 22.45% of a reactive diluent, 20.1% of hydroxyethyl acrylate, 0.21% of a catalyst, 0.06% of a polymerization inhibitor, and 0.08% of an anti-oxidant, wherein an optional variable range of the amounts of epoxy resin 128, reactive diluent, phthalic anhydride, and hydroxyethyl acrylate is respectively 0.15%, and an optional variable range of the amounts of the catalyst, the polymerization inhibitor, and the anti-oxidant is respectively 0.005%. A synthesizing method is the one-step feeding method. During the entire reaction process, through the optimal control and adjustment upon process parameters such as acid value, temperature, nitrogen flow and reaction time, the phthalic-anhydride-modified epoxy acrylate finished product with stable application performance, stable storage performance, moderate viscosity, and water-white transparent color is obtained.

The present application describes a composition comprising a neuroprotective effective amount of N-methyl-N-propynyl-2-phenylethylamine (MPPE).

The invention discloses a poria cocos jelly with aging delaying effect and a preparation method thereof, and relates to the technical field of preparation of poria cocos jelly. The poria cocos jelly is prepared from the following raw materials in parts by weight: 25 to 30 parts of poria cocos, 18 to 23 parts of radix polygoni multiflori, 20 to 25 parts of radix bupleuri, 22 to 27 parts of fructusschisandrae chinensis, 8 to 12 parts of semen coicis, 17 to 22 parts of herba ecliptae prostrate, 6 to 10 parts of mulberry fruit, 15 to 20 parts of herba dendrobii, and 5 to 8 parts of honey. The poria cocos jelly has the advantages that the poria cocos jelly is prepared from multiple types of natural plant medicines; the functional ingredients of saponin, lactone, flavone, active polysaccharides, amino acids and the like in the fructus schisandrae chinensis, the herba ecliptae prostrate, the herba dendrobii, the radix bupleuri, the radix polygoni multiflori and other raw materials are extracted by a water extracting method, then the semen coicis powder, the poria cocos powder, the mulberry fruit powder and the like are added into an extracting solution to mix and decoct, and the honey isused for flavoring; the prepared poria cocos jelly is used for clearing free radicals produced by metabolism of the human body, adjusting the internal secretion, improving the content of hormone, andreducing blood fat, blood lipid and blood glucose, the self-immunity function is enhanced, the aging rate of skins and organs is relieved, and the aging of the human body is delayed; the mouth feel of the poria cocos jelly is good, and the discomfort and any side effect are avoided even if the poria cocos jelly is taken for a long time.

The invention belongs to the technical field of microbial fermentation, and particularly relates to a fermentation preservative, a preparation method and application thereof. The preparation method ofthe fermentation preservative comprises the following steps: mixing cereal powder with water to obtain slurry; carrying out amylase liquefaction treatment on the slurry, and carrying out compound enzyme enzymolysis treatment including protease, glucoamylase and phytase so as to obtain an enzymatic hydrolysate; and inoculating propionibacterium into the enzymatic hydrolysate, carrying out fermentation culture, and carrying out inactivation treatment to obtain the fermentation preservative. According to the preparation method of the fermentation preservative, natural cereal powder is used as afermentation raw material, and amylase liquefaction treatment, protease, glucoamylase and phytase compound enzyme enzymolysis treatment and propionibacterium fermentation culture treatment are performed, so that the obtained fermentation preservative has a preservative effect and an antioxidant effect, and chemical preservatives and antioxidants in traditional production can be replaced.

The invention discloses a compounding plant extract with an antiseptic effect and the application in cosmetic antisepsis thereof. The extract is composed of green tea extract and rose oil with a weight ratio of 3-7:3-7. According to the extract, raw materials of the extract are from natural plants, the safety performance is high, and the extract has no irritation and can be applied to cosmetics toachieve the effect of inhibiting germs, mould and fungus.

The invention discloses a treatment method of nut grains and a special compound thickening agent thereof. The treatment method comprises the following steps of firstly, adding nut grains into a wormwood and chrysanthemum seasoning bag and tea polyphenol to achieve the purposes of preventing worm damage and resisting oxidation, adding edible salt and calcium chloride to inhibit water absorption and softening of the nut grains, and then adding a colloidal solution (special compound thickening agent) prepared from gellan gum and sodium alginate to form a transparent colloidal layer on the outer layer of the nut grains to isolate air and water, so that oxidation and mildewing are further avoided; and finally, after the nut grains are subjected to freeze drying and microwave baking, forming a core-shell structure, wherein the inner shell of the core-shell structure is a dense transparent colloidal layer on the outer surface of the nut grains. According to the nut treatment method, the shelf life of the nut grains is prolonged, the chewiness and bursting feeling of the nut grains are improved, and the treatment method is suitable for almost all the nut grains.

The invention relates to the technical field of biochemical reagents, and in particular, relates to a magnetic bead drying protection liquid, a dried magnetic bead and a preparation method of the dried magnetic bead. The magnetic bead drying protection liquid comprises the components in percentage by mass: 5 to 15 percent of cellobiose, 0.005 to 0.02 percent of Tween 20, 0.05 to 0.2 percent of sucrose ester and the balance being water; the HLB value of the sucrose ester is 15. The magnetic bead drying protection liquid provided by the invention can protect the performance of the dried hydroxyl magnetic bead to the greatest extent, the dried hydroxyl magnetic bead can be stored and transported at room temperature, the storage life is long, and the magnetic bead drying protection liquid is beneficial to application in micro-fluidic chips.

The invention discloses a traditional Chinese medicine composition for improving growth performance, digestion absorption function and oxidization resistance of chickens, and an application method thereof. The traditional Chinese medicine composition comprises the following components in parts by weight: 3-8 parts of tangerine peels, 2-6 parts of hawthorns, 1-5 parts of rhizoma atractylodis, 1-5 parts of cortex magnoliae officinalis and 1-5 parts of radix puerariae; the traditional chinese medicine composition can also comprises the following components in parts by weight: 2-6 parts of raw radix polygoni multiflori, 2-6 parts of radix polygoni multiflori preparata, or 2-6 parts of flowery knotweed stem; and the application method of the traditional Chinese medicine composition comprises the following steps: crushing all components of the traditional Chinese medicine composition, weighing and mixing according to proportion, then blending in a feed according to the ratio of total weight of the traditional Chinese medicine composition to the weight of the feed being 1%, for feeding chickens twice per day, wherein the feeding time is respectively at 9:00a.m.-11:00a.m. and 13:00-15:00. The traditional Chinese medicine composition can improve the growth performance of healthy chickens, enhance the gastrointestinal motility and absorption function of the chickens, and also has effects on the aspects of oxidization resistance of the chickens.

The invention discloses a skincare day cream which comprises the following components by mass: 1-5% of an acrylic acid (ester) copolymer, 0.01-0.5% of an acrylic acid (ester) / C10-30 alkanol acrylate crosslinked polymers, 1-10% of polyol, 0.1-5% of PEG-8 beeswax, 0.1-2% of ceteth-20, 0.1-2% of steareth-20, 0.1-3% of glyceryl stearate, 5-15% of emollient oil, 1-5% of butyl methoxydibenzoylmethane, 0.1-5% of diethylaminohydroxybenzoyl hexyl benzoate, 0.1-5% of bis-ethylhexyloxyphenol methoxyphenyl triazine, 0.1-5% of ethylhexyl salicylate, 0.1-5% of octocrilene, 0.1-10% of ethylhexyl methoxycinnamate, 0.01-1% of benzotriazolyl dodecyl p-cresol, 0.1-10% of Tinosorb M, 0.1-5% of phenylbenzimidazole sulfonic acid, 0.1-0.3% of a pH regulator and the balance of water. The skincare day cream has effects of sun protection, skin moisturization and oxidation resistance.

The invention discloses polyolefin containing hindered phenol type novel silane coupling agent modified ardealite. Polyolefin is characterized in that 0.1-1 part of a hindered phenol-structured novelsilane coupling agent is added to 30-40 parts by mass of ardealite, the mixture is stirred at high speed at 60-80 DEG C for 20-30 min, then 100 parts by mass of polyolefin is added, the mixture is stirred continuously for 30 min, extrusion is performed by a twin-screw extruder, and a product is obtained.

The invention relates to the field of neodymium-iron-boron magnets and particularly relates to an anti-oxidation treatment process of a neodymium-iron-boron magnet. The process comprises the followingspecific steps of step 1, firstly, treating a neodymium-iron-boron material in a hydrogen decrepitation treatment furnace; step 2, adding first antioxidant for grinding; 3, adding the first antioxidant again, and placing the mixture in a jet mill to be treated; step 4, treating in a spray evaporator; 5, carrying out pressing according to the prefabricated shape; and 6, carrying out heat treatmenton a neodymium-iron-boron magnet blank to obtain the antioxidant neodymium-iron-boron magnet. The process is advantaged in that a problem of oxidation resistance of the neodymium-iron-boron permanentmagnet material is solved, the neodymium iron boron magnet is subjected to compression molding after being powdered, the first antioxidant adopts iron oxide black capable of serving as a magnetic rawmaterial as a base material and can be combined with the neodymium iron boron magnet more tightly, and in addition, the first antioxidant and the second antioxidant both contain kaempferol with highoxidation resistance, so the perfect complementary effect is achieved.

The invention provides an allium macrostemon extract and application thereof to antioxidation efficacy cosmetics. The allium macrostemon extract is characterized in that a preparation method comprisesthe steps of cleaning allium macrostemon; performing freeze drying and crushing; soaking obtained allium macrostemon powder by an ethanol water solution with the mass percent concentration being 60 to 80 percent; under the ultrasonic conditions that the temperature is 45 to 55 DEG C, the power is 140 to 160W and the frequency is 35 to 45KHz, ultrasonic treatment is performed for 25 to 35min; then, performing filtering by a microfiltration membrane with the hole diameter being 0.4 to 0.5mum; collecting filtering liquid; concentrating the obtained filtering liquid; performing freeze drying to obtain the allium macrostemon extract. The allium macrostemon extract has an antioxidation effect, so that when the allium macrostemon extract is used as an antioxidant to be applied to skin cosmetics,the antioxidation efficacy is achieved.

The invention discloses acrylonitrile-butadiene-styrene (ABS) containing phosphogypsum modified with a novel silane coupling agent containing hindered phenol. The ABS is characterized in that 0.1-1 part by mass of the novel silane coupling agent having a hindered phenol structure is added into 30-40 parts by mass of phosphogypsum, the mixture is stirred at a high speed at 60-80 DEG C for 20-30 min, then 100 parts of ABS is added into the mixture, and the mixture is stirred for another 30 min and is extruded by a twin-screw extruder to obtain the ABS containing phosphogypsum modified with the novel silane coupling agent containing hindered phenol.