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63results about How to "Antioxidant inhibition" patented technology

Puffed snakehead compound particle feed and Chinese herbal medicine premix added therein

ActiveCN101785531AGuaranteed palatabilitySolve the non-bottleneck of developmentAnimal feeding stuffForsythia suspensaRadix bupleuri
The invention discloses a Chinese herbal medicine premix added in a puffed snakehead compound particle feed, which comprises the following components by weight proportioning: Artemisia annua to Forsythia Suspensa to radix sophorae flavescentis to radix bupleuri to folium eucalypti to radix gentianaeto common andrographis herb to folium artemisiae argyi to apocynum venetum is 3-5:1-3:1-3:2-5:3-5:2-5:2-4:1-3:1-3. The invention also discloses a puffed snakehead compound particle feed comprising the basic formula of fish meal and bean pulp, and 1-5 weight percent of the Chinese herbal medicine premix is added in the basic formula. The puffed snakehead compound particle feed of the invention can strengthen snakehead immunological capability, prevent and treat diseases and improve snakehead meat quality and flavour.
Owner:HANGZHOU FEIXUN BIO TECH

Toning lotion for hypersensitive skin

The invention discloses a toning lotion for hypersensitive skin. The toning lotion is prepared from 50-75 parts of water, 4-9 parts of nano-silica, 4-9 parts of dipropylene glycol, 0.5-1.5 parts of dipotassium glycyrrhizinate, 1-5 parts of butylphenyl methyl benzoic aldehyde 1-5 parts of sodium hyaluronate, 0.05-0.1 part of resveratrol, 2-6 parts of benzyl salicylate, 0.2-0.5 part of ceramide, 0.2-0.5 part of bisabolol, 4-8 parts of nicotinamide, 1-5 parts of allantoin, 1-4 parts of complex polypeptide, 2-5 parts of nano-selenium, 3-8 parts of a functional extract solution, 1-3 part of vitamin E, 1-5 parts of tea tree essential oil, 0.1-2 parts of a flavoring agent and 0.01-0.05 part of a preservative. The toning lotion is used for the hypersensitive skin and is capable of relieving and stabilizing the skin and reducing irritation to the skin by the external environment. The effective ingredients are added to protect and care the hypersensitive skin, and the toning lotion has the anti-inflammatory and antibacterial effects.
Owner:王晶怡

Application of acteoside in preparing medicine for treating alzheimer disease

The invention relates to an application of acteoside in preparing a medicine for treating alzheimer disease. The acteoside is used for preventing the alzheimer disease by multi-target-point action. The acteoside is synthesized artificially or is obtained from plants. Verified by in vivo and vitro experiments, the acteoside has the advantages that the central cholinergic nervous system can be improved, the level of glutamic acid can be adjusted, the formation and deposition of beta amyloid protein (Abeta) can be inhibited, the action of neuroprotection is achieved, the hyperphosphorylation of tau protein is inhibited, the antioxidant action is achieved, the cerebral circulation is improved, and cholesterol can be reduced, so that the multi-target-point prevention and treatment of the alzheimer disease is realized.
Owner:闫明

Application of camellia oleifera peel extract

The invention discloses application of a camellia oleifera peel extract. The camellia oleifera peel extract serving as a 5-alpha-reductase inhibitor can be used for preparing medicaments for treating prostatitis, benign prostatic hyperplasia and prostate cancers medicaments or daily health products for treating acnes or medicaments or daily health products for treating androgenetic alopecia.
Owner:ZHEJIANG UNIV

Whitening composition and application thereof

InactiveCN104188887ASignificant freckle removalVisible skin brightening effectCosmetic preparationsToilet preparationsIrritationSkin color
The invention discloses a whitening composition and the application thereof in whitening cosmetics. The whitening composition contains the following components in weight percentage: 1-10% of lipid soluble VC derivatives, 0.05-0.2% of Glabridin, 1-5% of nicotinamide, 1-5% of hydrogenated soya lecithin, 0.1-0.5% of a gorgonia extracting solution and 0.5-2% of an amino-acid humectant. According to the whitening composition prepared by the invention, the whitening and speckle removing effects are obvious, the whitening composition can be quickly adsorbed by skin, the irritation to the skin is weak and the obvious moisture-holding, anti-inflammatory and antiallergic effects and effective skin brightening effect are realized.
Owner:广东真丽斯化妆品有限公司

High-efficient and safe aquatic product preservative

The present invention relates to the technical field of food chemistry and particularly relates to a high-efficient and safe aquatic product preservative. The aquatic product preservative consists of the following raw materials in percentages by weight: 10-15% of garlic concentrate, 10-20% of chitosan, 10-20% of tea polyphenols, and the balanced water. The object of the present invention is to provide the high-efficient and safe aquatic product preservative which is good in preservative effects and long in shelf life.
Owner:宋国祥

Benzofuran quinolone derivative and application of benzofuran quinolone derivative in preparation of medicine for treating Alzheimer's disease

InactiveCN105294662AHas phosphodiesterase 4D inhibitory activityAntioxidantOrganic active ingredientsNervous disorderPhosphodiesteraseDisease
The invention discloses a benzofuran quinolone derivative and application of the benzofuran quinolone derivative in preparation of a medicine for treating Alzheimer's disease. The benzofuran quinolone derivative is a multiple target point active molecule for resisting the Alzheimer's disease, has inhibitory activity of phosphodiesterase 4D and also has functions of resisting oxidation, inhibiting A beta aggregation and depolymerizing; animal experimental results show that the benzofuran quinolone derivative disclosed by the invention has efficacies of improving cognitive ability and spatial memory of rats with the Alzheimer's disease, protecting brain hippocampal neuronal cells of the rats with the Alzheimer's disease, and inhibiting the loss and necrosis of neuronal cells.
Owner:SUN YAT SEN UNIV

Composite marine special dietary food for consumption of tumor patients

The invention discloses a composite marine special dietary food for consumption of tumor patients. The food comprises chitosan oligosaccharide, marine fish protein peptide, astaxanthin, beta-carotene, allicin, coenzyme Q10, vitamin C, vitamin D, vitamin E, vitamin B1, vitamin B2, vitamin B3, vitamin B6, folic acid, vitamin B12, major elements calcium and magnesium, and trace elements iron, zinc, manganese and selenium. The composite marine special dietary food is a novel and comprehensive nutritional food, can be used for comprehensively improving the nutritional status of tumor patients and enhancing the body immunity of the tumor patients, is favorable for inhibition on growth and transfer of tumor cells by the synergy effect of the chitosan oligosaccharide and other natural active components, and is suitable for long-time use by tumor patients, particularly patients who accept radiotherapy or chemotherapy.
Owner:青岛南极维康生物科技有限公司

Application of rat tail collagen in field of cosmetics

The invention belongs to the field of cosmetics research and development, and particularly relates to application of rat tail collagen in the field of cosmetics. Compared with conventional collagen onthe market, in addition to the characteristics of general collagen, the rat tail collagen has the advantages of stable triple helix structure, high collagen activity and low immunogenicity; the source quality is controllable, the biosafety is high, and the reduction of biological activity by radiation sterilization is not needed; through experimental determination, the rat tail collagen preparedaccording to the technical scheme has the performance of whitening, melanin synthesis inhibition, anti-oxidation, anti-allergy, hormone skin repair and acne removal. The application of the rat tail collagen in the field of cosmetics overcomes the technical defect that the quality of the cosmetics is seriously affected due to addition of toners, flavoring agents, stabilizers and preservatives intocollagen-containing cosmetics in the prior art.
Owner:GUANGDONG ZHONGERJIAN BIOTECH CO LTD

Fermented sour soup flavored beef jerky and preparation method thereof

InactiveCN109924430AHigh in Calcium and PhosphorusStay excitedEggs preservationYeastLactarius
The invention discloses fermented sour soup flavored beef jerky and a preparation method thereof. The beef jerky comprises, by weight, 90-110 parts of beef, 1.8-2.2 parts of green tea, 0.4-0.6 part ofginger slice, 1.8-2.2 parts of rock sugar, 0.2-0.4 part of compound phosphate, 2.0-2.4 parts of lactic acid bacteria and yeast, 1.3-1.7 parts of glucose, 0.8-1.2 parts of salt, 5.5-6.5 parts of honey, 0.3-0.7 of chili powder, 0.8-1.2 parts of spiced powder, 0.8-1.2 parts of pepper, 0.8-1.2 parts of Sichuan pepper, 0.8-1.2 parts of Sichuan pepper powder, 7.5-8.5 parts of red sour soup and 5.5-6.5parts of sesame oil. The sour soup flavored beef jerky prepared by the above components has the unique flavor of the sour soup, the flavor of the beef jerky is more excellent, the nutritional value ishigher, the digestibility of the fermented beef jerky is improved, and the flavor is improved. The probiotics in the fermented beef jerky inhibits the growth of harmful microorganisms, prolongs the shelf life of the beef jerky, and improves the safety of the beef jerky.
Owner:TONGREN UNIV

Preparation method for clear Huoshan dendrobium officinale beer

The invention provides a preparation method for clear Huoshan dendrobium officinale beer and belongs to the technical field of a clarifying method for dendrobium officinale beer. The preparation method for the clear Huoshan dendrobium officinale beer specifically comprises the following steps: preparing malt mash; using a lactic acid aqueous solution for ultrasonically digesting Huoshan dendrobium officinale; filtering, boiling, adding hops, cooling and then sealing for fermenting; adding a clarifying agent A, filtering, adding a clarifying agent B and uniformly mixing; and placing the Huoshan dendrobium officinale beer added with the clarifying agent B into an environment at 4+ / -1 DEG C, performing post-fermentation, filtering after the ending of the fermentation and removing the sediment in beer, thereby acquiring the clear Huoshan dendrobium officinale beer. The Huoshan dendrobium officinale beer prepared according to the invention is free from turbid phenomenon after long-term storage. The preparation method has ultrahigh marketing value and can create basis for putting the Huoshan dendrobium officinale beer into the market.
Owner:WEST ANHUI UNIV

RNC binding agent and method for extracting RNC-RNA (ribosome nascent-chain complex and ribonucleic acid) from blood

The invention relates to an RNC binding agent and method for extracting RNC-RNA (ribosome nascent-chain complex and ribonucleic acid) from blood, wherein the RNC binding agent comprises the following components by content: 120-180 Mug / ml of cycloheximide, 25-35 mM of dithiothreitol, 0.45-0.65 M of ammonium chloride, 25-35 mM of sodium citrate, 25-35 mM of ethylene diamine tetraacetic acid, 10-20 mM of ethylene glycol bis(2-aminoethyl ether)tetraacetic acid, 15-25 MuM of 1,2,3,4,6-O-pentagalloylglucose, 0.005-0.015% of glycerol, and the balance of water. The RNC binding agent (RNC blood binding solution) of the invention is a multifunctional reagent integrating translation extension inhibitor, RNA protectant and red blood cell lysate and may serve as an RNA protectant for use in the collection of conventional samples.
Owner:GUANGZHOU SAGENE BIOTECH

Mask taking cape jasmine flower extract as main raw material and preparation method

The invention belongs to the technical field of beauty products and discloses mask taking cape jasmine flower extract as a main raw material and a preparation method. According to the preparation method, substances including the cape jasmine flower extract, glycerol, polyglycerol-10, niacinamide, hydroxyethyl cellulose, allantoin, sodium hyaluronate, sodium polyacrylate, PPG (Polypropylene Glycol)-5-laureth-5, simmondsia chinensis seed oil, caprylic / capric triglyceride, glyceryl acrylate / acrylicate copolymer, propylene glycol, PVM / AM copolymer, hydrolyzed oat protein, herba portulacae extract,acetyl hexapeptide-8, caprylyl glycol, panthenol, fargesia dracocephala leaf / stem extract, lotus flower extract, nymphaea alba flower extract, arginine ferulate, 1-methylhydantoin-2-imide, acrylic / C10 to C30 alcohol acrylate cross-linked polymer potassium salt, DMDM hydantoin and the like are weighed. According to the mask disclosed by the invention, the generation of melanin can be radically inhibited and anti-oxidization can be realized; the synthesis of collagen is facilitated.
Owner:孔悦平

Health care beverage and its production method

InactiveCN1555739AReduce spicy odorEliminate odorFood scienceSucroseAdditive ingredient
A health-care beverage is prepared from the Allium-family plant, lemon juice, malic acid, lemon essence, cane sugar, and honey through preparing the supernatant of Allium-family plant, proportionally mixing it with others, homogenizing, pasteurizing, and cooling. Its advantages are greeable taste and high bioactivity.
Owner:HUNAN NORMAL UNIVERSITY

Method for preparing novel nutrient recovery type skin-care facial mask

The invention relates to a method for preparing a novel nutrient recovery type skin-care facial mask. A method for making an efficient cheap facial mask product which contains natural biological materials as the main moisturizing, nutrient and film forming components is designed. The method comprises the step of extracting sericin in natural colorful cocoons by a special method instead of the traditional animal collagen, substituting the compound components of konjaku flour and xanthan gum for hyaluronic acid as the main film forming materials, and simultaneously blending the materials with curacao aloe powder, thereby obtaining the novel facial mask product. The novel facial mask product has the effects of keeping the skin fine and smooth, removing free radicals, supplementing moisture and collagen and the like. The product obtained by the method provided by the invention has multiple bioactivities, is advantageous for the skin to absorbing various active ingredients, and also has obvious effects on softening the skin, preventing and treating acnes, age pigments, freckles and pachulosis, diminishing inflammation and relieving itching, keeping the skin fine and white and the like.
Owner:李卫旗

Preparing method for high-performance dendrobium officinale tea polyphenol compound

The invention relates to the technology of deep processing of dendrobium officinale and aims at providing a preparing method for a high-performance dendrobium officinale tea polyphenol compound. The method comprises the steps that fresh dendrobium officinale stalks are subjected to extraction through ethanol, and filter residues are obtained after centrifugal filtering is carried out; the filter residues are added into a cellulose water solution to be subjected to digestion and ultrasonic extraction, and an extracting solution is obtained after centrifugal filtering is carried out; the extracting solution is condensed in vacuum, a disodium hydrogen phosphate and citrate buffer solution is added, and supernatant liquid is obtained after ultrasonic extraction and centrifugal filtering are carried out; the supernatant liquid is condensed and then subjected to freeze drying, and the high-performance dendrobium officinale tea polyphenol compound is obtained. According to the high-performance dendrobium officinale tea polyphenol compound prepared through the method, the stability of tea polyphenol is effectively improved, and the high-performance dendrobium officinale tea polyphenol compound has the properties of inhibiting cancer cell reproduction, inhibiting monophenyl oxidase activity, resisting oxidation, inhibiting alpha-starch enzyme activity and the like and has wide application prospects in the industries of food, cosmetics, medicine and the like.
Owner:杭州万融茶界科技有限公司

Solid wood furniture care solution

InactiveCN107150389AIncrease the fragranceIncrease antibacterial and insecticidal functionWood treatment detailsCoating impregnationGlycerolAnti bacteria
The invention mainly relates to the technical field of wood product processing, and discloses a solid wood furniture care solution, which is made of the following raw materials: saponin, peony, aloe, tangerine peel, neem, seabuckthorn seed oil, rosewood essential oil, zeolite, and montmorillonite . The service life is extended by 13.8%; the added saponins can remove the dust and stains on the surface of the furniture, and maintain the luster and color of the furniture; the peony, aloe, tangerine peel and neem are crushed to extract the active ingredients, so as to avoid the added fragrances from corroding the furniture and increase the The antibacterial and insecticidal functions of furniture can prevent mold and insects, inhibit the production of anti-oxidation in furniture, and prolong the use time of solid wood furniture. At the same time, the gelatinous substance of aloe vera can form a protective film on the surface of furniture to avoid water absorption and mold.
Owner:ANHUI XINDA HOME FURNISHING CO LTD

Freshness-keeping method of sausage casings

The invention discloses a freshness-keeping method of sausage casings. The freshness-keeping method is characterized by comprising the steps of washing, preparing a freshness-keeping solution, immersing, draining off and sealing. The freshness-keeping method has the advantages that a selected freshness-keeping agent is biological, can be used for effectively sterilizing and inhibiting bacteria and also guarantees the safety performance of foods. The selected freshness-keeping agent contains a component for keeping moisture and can effectively prevent oxidization, so that a pure color is guaranteed, and the elasticity and toughness of the sausage casings are improved, and furthermore, the taste of processed sausage casing series is ensured. A traditional pickling method is changed so that the damage rate is reduced, water is saved and the expenditure of labor force is saved and the production cost is reduced.
Owner:NANTONG RENSHOU FOOD CO LTD

Sun-dried tomato and oil immersed tomato can and production method thereof

The invention belongs to the technical field of food preparation and relates to sun-dried tomatoes. Table salt crystals are uniformly sprayed on thick tomato pieces, and the thick tomato pieces with the table salt crystals are put into a drier to prepare the sun-dried tomatoes, the water content is between 18%-20%, and the table salt content is between 8%-10%. A tomato can prepared by the sun-dried tomatoes comprises the following components in parts by weight: 440-450 parts of sun-dried tomatoes, 410-420 parts of olive oil, 60-80 parts of table salt, 15-20 parts of garlics, 4-10 parts of thyme, 4-10 parts of rosemary, 4-10 parts of ground black pepper, 20-30 parts of onions, and a proper amount of an antioxidant, namely fat soluble tea polyphenol. The oil immersed tomato can prepared by the invention is convenient to store, is high in nutritional value, has special taste and conforms to the western-style food.
Owner:曹秀梅

Wheat aleurone layer content cooked powder product and application thereof

The invention discloses a wheat aleurone layer content (namely wheat aleurone layer powder) cooked product and application thereof. The wheat aleurone layer content cooked product is a powder product which has a moisture content of less than 8% and is obtained by cooking a wheat aleurone layer content, the average granularity of the wheat aleurone layer content cooked product is less than 75 microns, and every 100g of the wheat aleurone layer content cooked product contains not lower than 35g of dietary fiber, not lower than 130mg of alkylresorcinol, not lower than 800mg of phosphorus and not lower than 18g of pentosan. The wheat aleurone layer content cooked product is formed through the steps of screening of the wheat aleurone layer content, full-automatic quantitative feeding, stir-frying, automatic discharging, quick cooling, metal detection, sterilization packing and the like. The wheat aleurone layer content cooked product can be used as a fluid beverage additive, puffed food, a health-care dietary fiber product, a functional health-care product or a nutritional health-care product rich in wheat physiological active ingredient with high nutritional value.
Owner:SHANDONG ZHISHIFANG FOOD TECH

Penaeus vannamei fresh-keeping agent and application method thereof

The invention discloses a Penaeus vannamei fresh-keeping agent, which is composed of the ingredients (by weight): 60-90% of Gracilaria lemaneiformis oligosaccharides, 5-20% of tea polyphenol and 1-2% of 4-hexylresorcinol. An application method of the Penaeus vannamei fresh-keeping agent comprises the following steps: 1) preparing an aqueous solution with mass concentration of 0.5-1.5% from a Penaeus vannamei fresh-keeping agent, and precooling at 3-5 DEG C to obtain a Penaeus vannamei fresh-keeping agent solution of 3-5 DEG C; and 2) immersing the Penaeus vannamei in the Penaeus vannamei fresh-keeping agent solution of 3-5 DEG C, airing after immersing, packaging with a polyethylene sealing bag, and storing. The fresh-keeping agent can inhibit blackening of Penaeus vannamei, can keep freshness of Penaeus vannamei and prolong shelf life of the product, is simple to prepare, is low-cost, and is safe to use. The invention provides a novel method for non-refrigerating fresh-keeping treatment of Penaeus vannamei.
Owner:THIRD INST OF OCEANOGRAPHY STATE OCEANIC ADMINISTATION

Method for improving high-temperature creep performance of titanium alloy substrate

The invention relates to a method for improving the high-temperature creep performance of a titanium alloy substrate. According to the method for improving the high-temperature creep performance of the titanium alloy substrate, the high-energy plasma spray-plating technology is used for preparing a nickel-based alloy bottom layer and a ceramic surface layer on the surface of a titanium alloy to obtain a thermal-barrier function layer with high bonding and no influence on the surface structure of the substrate. The process flow is controlled strictly with reasonable spray-plating process parameters, so that the porosity of a coating is controlled within a reasonable range, and the comprehensive mechanical properties are effectively improved. The deposited thermal barrier function layer caneffectively restrain the creep deformation of the titanium alloy substrate while effectively improving the high temperature oxidation resistance and thermal insulation performance of the titanium alloy, and the service life of the titanium alloy part is greatly prolonged.
Owner:XI AN JIAOTONG UNIV

Traditional Chinese medicine composition with micro-organism-inhibiting, itching-relieving and oxidation-preventing effects

The present invention relates to a traditional Chinese medicine composition with micro-organism-inhibiting, itching-relieving and oxidation-preventing effects. Active ingredients of the traditional Chinese medicine composition are prepared from the following raw material medicines: chastetree fruits and Chinese arborvitae twigs. The present invention further relates to a preparation comprising thetraditional Chinese medicine composition, a personal care composition, and a preparation method of a shampoo for relieving itching, preventing dandruff, preventing hair loss and protecting hair.
Owner:广东省中药研究所

Tyrosinase inhibitor and application

The invention discloses a tyrosinase inhibitor. The tyrosinase inhibitor is prepared by the following method of (1) enzymolysis: degreasing and removing impurities from yak by-products, then adding acompound enzyme enzymatic hydrolysate for enzymolysis, deactivating enzyme after enzymolysis is finished, cooling to room temperature, centrifuging, collecting supernatant, and freeze-drying to obtainenzymatic hydrolysate freeze-dried powder; and (2) purification: dissolving the enzymatic hydrolysate freeze-dried powder with ultrapure water, carrying out separation and purification by using an ultrafiltration membrane with the molecular weight cutoff of 3000 Da, and freeze-drying components with the molecular weight cutoff of 3000 Da or below obtained by ultrafiltration to obtain yak collagenpeptide, namely the tyrosinase inhibitor. The tyrosinase inhibitor disclosed by the invention has a relatively good tyrosinase inhibition effect, is green, environment-friendly, non-toxic and stablein activity, and has a good application prospect in the fields of beauty products and color fixatives.
Owner:青海瑞肽生物科技有限公司

A hylarana guentheri secretory peptide, a gene thereof and applications of the secretory peptide in pharmacy

The invention relates to a hylarana guentheri secretory peptide, a gene thereof and applications of the secretory peptide in pharmacy. The secretory peptide is an annular polypeptide formed by 43 amino acids. The amino acid sequence of the secretory peptide is shown as SEQ ID NO.1, and cysteine at the number 37 site and cysteine at the number 43 site form an intramolecular disulfide bond. The gene sequence of the secretory peptide is shown as SEQ ID NO.4, wherein the number 133 to number 261 nucleotides encode a functional mature hylarana guentheri secretory peptide. A mature functional polypeptide amino acid sequence is induced from the gene of the hylarana guentheri secretory peptide. The synthesized hylarana guentheri secretory peptide has high anti-bacterial, anti-influenza virus and antioxidant functions. The hylarana guentheri secretory peptide has characteristics of a simple structure and convenient artificial synthesis, and can be applied in medicines treating pathogenic microorganism infectious diseases and diseases caused by radical oxidation, beautifying and skincare medicines and food additives.
Owner:SOUTHERN MEDICAL UNIVERSITY

Poly-carbonyl curcumin derivative containing carboxyl group, preparation method and application thereof

The invention discloses a poly-carbonyl curcumin derivative containing carboxyl group, a preparation method and an application thereof. A structure of the poly-carbonyl curcumin derivative containing the carboxyl group is represented as the formula (I). The poly-carbonyl curcumin derivative containing the carboxyl group is high in stability and solubility, has the effects of inhibiting [beta]-secretase and acetylcholin esterase, resisting oxidization and protecting nerve cells, and can be used for preparing drugs for Alzheimer's disease.
Owner:JIANGSU KANION PHARMA CO LTD

Magnetic mask with anti-aging effects and preparation method thereof

InactiveCN109700738AHas anti-aging effectsDelayed anti-aging effectCosmetic preparationsToilet preparationsFine lineC12-15 Alkyl benzoate
The invention discloses magnetic mask with anti-aging effects and a preparation method thereof. The magnetic mask with the anti-aging effects is prepared from the following raw materials in parts by weight: 20-60 parts of magnetite powder, 5-40 parts of a silicone elastomer mixture, 0.5-2 parts of C12-15 alkyl benzoate, 5-10 parts of tribehenin, 1-5 parts of vitamin E, and 0.1-1 part of a plant extract. The magnetic mask with the anti-aging effects disclosed by the invention is capable of inhibiting free radicals so as to achieve anti-aging effects, filling and making up fine lines, as well asdelaying cell senility in long-term usage; moreover, the magnetic mask also has the functions of thickening and stabilizing the system. Specifically, the added plant extract is capable of inhibitingtyrosinase activity; and thus, natural and safe active ingredients of the plant extract can be utilized so as to have the anti-aging effects of the mask enhanced from a plurality of aspects. In addition, high transdermal absorption rate of mask agents is utilized, so that, the mask acts on the skin so as to delaying skin senility.
Owner:天津尚美化妆品有限公司

Method for preparing nano copper powder by taking copper oxide as raw material

The invention discloses a method for preparing nano copper powder by taking copper oxide as a raw material, which comprises the following steps: S1, adding copper oxide into eutectic ionic liquid at 80-150 DEG C, and stirring and dissolving to obtain a luminous yellow solution A; adding ascorbic acid or sodium ascorbate into the solution A, stirring and dissolving to obtain a solution B; adding hydroxide particles into the solution B, and stirring and dissolving to obtain a solution C; and S2, the solution C is placed in a reaction container, a stirring reaction is conducted for 6-20 h at the temperature of 100-120 DEG C, then a product is separated out in the inert atmosphere, the product is washed 3-5 times with absolute ethyl alcohol and ultrapure water respectively, vacuum drying is conducted, then sealing storage is conducted with inert gas, and the nano-copper powder with the purity larger than or equal to 99.99% is obtained. The method is simple and controllable, and the prepared nano copper powder is high in purity and uniform in particle size distribution.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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