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140 results about "Dimerumic acid" patented technology

Highlights Dimerumic acid (DMA) is a novel antioxidant isolated from red mold rice. DMA effectively exerts antioxidation and hepatoprotection than other antioxidants. DMA inhibits cancer cell invasion mediated by attenuating oxidative stress. DMA has potential for development as a novel antioxidant for functional foods.

Antioxidant health care food and application thereof

The invention discloses an antioxidant health care food. The health care food is prepared from the following raw materials in parts by weight: 5-8 parts of hematococcus pluvialis powder and 1-3 parts of grape seed extract. According to the invention, the two antioxidant substances, namely the hematococcus pluvialis powder and the grape seed extract, are combined in the previous proportions to develop the synergistic effect of the hematococcus pluvialis powder and the grape seed extract, and then the antioxidant effect is excellent; in addition, a plurality of effects of the two substances can be developed at the same time. The invention also provides an application of the health care food in preparation of antioxidant and anti-aging products.
Owner:XIAMEN TRADITIONAL CHINESE MEDICINE

Completely natural plant based shampoo and body wash devoid of synthetic ingredients

InactiveUS20060286062A1Promote inflammationPromote of drynessBiocideCosmetic preparationsAdditive ingredientAnti oxidant
Completely natural hair shampoo or body wash made from all plant and agricultural materials containing anti-oxidants from plant materials, and mild natural surfactants from plant materials. Surfactants, oils, conditioners, preservatives, fragrance and color are all derived from plants and clays. As the surfactants are predominantly from unrefined pant materials, cleansing is mild and non-irritating, and contains a variety of anti-oxidant substances of great benefit to the scalp and skin, and no synthetic ingredients that are foreign to nature and the skin are used.
Owner:SCHEP RAYMOND ALBERT +1

Screening method of safety and efficacy of skin antioxidants through use of a plurality of normal human skin cells

The invention discloses a screening method of safety and efficacy of skin antioxidants through use of a plurality of normal human skin cells. The screening method includes the following steps: (1) separation, culture and identification of normal human primary cells; (2) toxicity test of substances for testing; (3) preparation of the substances for testing and concentration determination of the substances for testing; (4) determination of ultraviolet-light induced radiation dose; and (5) verification of antioxidant effects of the substances for testing. The normal human skin cells are prepared through standardized culture in vitro, so that the normal human skin cells has strong division propagation capability, high degree of standardization, less difference among batches, and the same activity and functions as that in vivo. Results which are obtained through use of the normal healthy human skin cells are more reliable than the results obtained through use of animal or human cell lines. Through use of the screening method, toxic effects and antioxidant efficacy of the substances for testing can be evaluated in two aspects including a qualitative aspect and a quantitative aspect. The method, through replacement of the living animal and human skin, can be directly used for toxicity and efficacy tests of antioxidant substances in products including chemicals, cosmetics, pharmaceuticals and the like.
Owner:GUANGZHOU HUADAI BIOLOGICAL TECH CO LTD

Skin regeneration compound and use thereof

The invention relates to a skin regeneration compound in the field of cosmetic skin care. The skin regeneration compound comprises a green plum-blossom extractive and a pollen pini extractive, wherein the weight percentage of the green plum-blossom extractive is 0.05-0.5%, the green plum-blossom extractive can scavenge the free radical, the balance of the free radical is good for maintaining the activity of the cell so that the cell can secrete more extracellular matrixes and collagens to effectively maintain the integrity of the skin structure, enhance the elasticity of the skin and strengthen the skin anti-aging function. The weight percentage of the pollen pini extractive is 0.5-2.0%, the active ingredients of the pollen pini extractive can strengthen the absorption for the active component in the pollen pini extractive and the bad skin absorbency problem due to a single antioxidant substance such as the green plum-blossom extractive can be effectively improved; additionally, the skin moisturizing ability is strengthened, the skin elasticity is improved and the anti-aging function is reached.
Owner:烟台新时代健康产业日化有限公司

Preparation method of antioxidant in blueberry leaves

ActiveCN102178325AStrong total antioxidant capacityStrong purityFood preservationWater bathsAlcohol
The invention belongs to a preparation technology of natural antioxidant, particularly relates to a preparation method of antioxidant in blueberry leaves. The preparation method of the antioxidant in the blueberry leaves includes the steps as follows: (1) collecting fresh blueberry leaves, washing the fresh blueberry leaves with water, draining away water, shearing the leaves into segments with different length, adding 8-14 times water, adjusting pH to 3-8, conducting extraction in hot-water bath at the temperature of 90-100 DEG C, filtering the extract, and decompressing and concentrating the extract to 15-25 times of original concentration at the temperature of 50-60 DEG C; and (2) conducting adsorption with macroporous resin, eluting with water and 10%-30% alcohol, detecting by ultraviolet spectrophotometry, collecting adsorbed eluent with strong antioxidant activity at 280nm part, decompressing and concentrating the collected eluent to paste, and conducting vacuum-drying at the temperature 50-60 DEG C, thus obtaining light brown powder. The preparation method is simple in technology, friendly to environment and good in purity; and the product is safe and has strong antioxidantactivity.
Owner:海宁市袁花镇工业投资有限公司

Production method for sunscreen cream with plant extracts as main functional components

The invention provides a production method for a sunscreen cream with plant extracts as main functional components. The production method comprises the following steps: 1, extraction of alcohol-soluble components in the shuck of mangosteen; 2, extraction of water-soluble polysaccharides in the shuck of mangosteen; 3, preparation of a chinaroot greenbrier cream; 4, manufacture of fine kudzu vine root powder; and 5, preparation of a matrix cream. The sunscreen cream prepared by using the method prevents symptoms like obstruction of pores and skin allergic diseases, exerts substantial effects on anti-inflammation, sterilization, skin nourishing, improvement of wrinkle resistance of the skin and effective delaying of skin ageing and has the advantages of enhanced safety and reduced cost; the sunscreen cream can effectively restore damaged skin, wherein the restoration effect of the sunscreen cream is incomparable with restoration effects of antioxidant substances like vitamin E; and the sunscreen cream enables synergy of ultraviolet ray absorbers to be performed, so a minimum usage amount of the sunscreen cream can exert a maximum protection effect.
Owner:珠海丽阳生物科技有限公司

Liquorice root gel with pox-dispelling function

A liquorice gel for treating acne and removing acne scar is prepared from the antioxidant extracted from liquorice root, surfactant, solvent, assistant, synthetic gum and additives. Its advantages are high effect and no toxic by-effect.
Owner:江西雅顿生物科技有限公司

Pig compound feed production method through recycling of poultry excrement

The invention discloses a pig compound feed production method through recycling of poultry excrement. The technology is high in recycling utilization degree, easy to realize large-scale industrialized production, facilitates recycling utilization of waste produced during poultry cultivation and solves two difficulties of environment contamination and shortage of pig feeding resource in the conventional poultry cultivation. According to the method, under the compound action of secondary fermentation of microorganisms, and cellulase, the fermentation wine mashes are added during fermentation and the poultry excrement is converted to the pig compound feed with high protein content, bright color and nice flavor; the pig compound feed is better in deodorization effect, and high in nutritional value; through the adoption of the multi-strain anerobic fermentation, the biological activity of the pathogenic microorganisms is restrained and the pathogenic microorganisms can be effectively restrained and killed by lactic acid generated by lactic acid bacteria, antibiotic matters generated by actinomycetes and antioxidant matters generated by other beneficial microorganisms, so that the pig compound feed is harmless and the feed products meet the feed hygienic standard; in addition, the method is simple in process and is easy to realize large-scale industrialized production.
Owner:QINGDAO JIARUI BIOLOGICAL TECH

Multi-component antioxidant compounds, pharmaceutical compositions containing same and their use for reducing or preventing oxidative stress

An antioxidant compound is disclosed. The compound is characterized by (a) a peptide including at least three amino acid residues of which at least two are cysteine residues, each having a readily oxidizable sulfhydryl group for effecting antioxidation; and at least two peptide bonds, each being cleavable by at least one intracellular peptidase; and (b) a first hydrophobic or non-charged moiety being attached to an amino terminal of the peptide via a first bond and a second hydrophobic or non-charged moiety being attached to a carboxy terminal of the peptide via a second bond, the first hydrophobic or non-charged moiety and the second hydrophobic or non-charged moiety are selected so as to provide the antioxidant compound with membrane miscibility properties for permitting the antioxidant compound to cross cellular membranes; wherein cleavage of the at least two peptide bonds by the at least one intracellular peptidase results in generation of a plurality of antioxidant species, each including one of the cysteine residues having the readily oxidizable sulfhydryl group and which is also active in effecting antioxidation, thereby providing for a plurality of different antioxidant species acting in synergy in exerting antioxidation.
Owner:YISSUM RES DEV CO OF THE HEBREWUNIVERSITY OF JERUSALEM LTD

Method for extracting alcohol-soluble antioxidant substances from visceral organs of abalone

The invention relates to a method for extracting alcohol-soluble antioxidant substances from the visceral organs of an abalone, belonging to the technical field of extraction of antioxidant substances in the visceral organs of the abalone. The method for extracting comprises the steps of: pulping the visceral organs of the abalone, soaking and extracting, removing heavy metals, concentrating, conducting alcohol precipitation, rectifying, concentrating and drying to obtain the alcohol-soluble antioxidant substances from the visceral organs of the abalone. The alcohol-soluble antioxidant substances in the visceral organs of the abalone related by the invention contain rich protein, amino acid, saccharides, lipid and the like, have good antioxidant activity, and can be used for preparing amino acid supplemented nourishments and various antioxidant preparations.
Owner:FUJIAN AGRI & FORESTRY UNIV

Preparation method of purple cabbage anthocyanin-nano chitin gelatin composite film, and product and application thereof

The invention discloses a preparation method of a purple cabbage anthocyanin-nano chitin gelatin composite film, and a product and an application thereof. The preparation method includes crushing purple cabbages, uniformly mixing with acidified ethanol, and centrifuging to obtain a purple cabbage anthocyanin solution, concentrating the solution by rotary evaporation, and freeze-drying to obtain apowder; dissolving the purple cabbage anthocyanin powder in a nano chitin gelatin solution, uniformly dispersing, casting into a film, and drying to obtain a finished product of the purple cabbage anthocyanin-nano chitin gelatin composite film. The method adopts nano chitin and gelatin as a matrix and purple cabbage anthocyanin as a filler, so that the food packaging film has a good film-forming property, an antimicrobial property, oxidation resistance and an indicating function simultaneously, and can be applied to freshness indication for livestock meat products and aquatic products. The rawmaterials of the composite film are all food materials, and have excellent biocompatibility, safety and degradability, so as to further promote the application of natural antioxidants in intelligentpackaging.
Owner:ZHEJIANG UNIV

Cordyceps-lucid ganoderma composition capable of improving immunity and preparation process thereof

Embodiments of the invention disclose a Cordyceps-lucid ganoderma composition capable of improving immunity. The Cordyceps-lucid ganoderma composition comprises the following effective components in parts by weight: 6 to 15 parts of Cordyceps militaris powder, 8 to 20 parts of ginseng, 35 to 70 parts of Maca, 3 to 10 parts of astaxanthin, 30 to 60 parts of proanthocyanidins, 5 to 10 parts of lycopene, 35 to 70 parts of lucid ganoderma spore powder and 20 to 50 parts of vitamin E. Embodiments of the invention also disclose a preparation process for the above-mentioned Cordyceps-lucid ganodermacomposition capable of improving immunity. According to the invention, eight antioxidant substances--ginseng, Cordyceps militaris powder, Maca, astaxanthin, proanthocyanidin, lycopene, lucid ganodermaspore powder and vitamin E are combined in a certain proportion, so complementary and synergistic effects of the antioxidant substances are exerted; the effect of antioxidation is good; and a plurality of functions of preventing occurrence of a variety of tumors, preventing leukemia, exerting protection effects on eyesight and the central nervous system, preventing obesity and gout, reinforcing immunity, preventing cardiovascular diseases, preventing oxidation and aging, maintaining reproductive function and the like of a variety of substances can be simultaneously exerted.
Owner:深圳地天国际生物工程科技有限公司

Free radical resistant tobacco mellowing agent and preparation method and application thereof to threshing, redrying and moisturizing

ActiveCN104223357AShorten the time of natural agingReduce free radicalsTobacco preparationTobacco treatmentSaccharumSucrose
The invention relates to a free radical resistant tobacco mellowing agent and a preparation method and application thereof to threshing, redrying and moisturizing. The mellowing agent comprises prune extract, a complex enzyme preparation and a solvent. The prune extract contains natural antioxidant substances such as ascorbic acid, flavonoid compounds and / or catechinic acid. The complex enzyme preparation is composed of at least two of alpha-amylase, cellulose, acid protease and sucrase. By the mellowing agent, content of free radicals and nicotine in tobacco can be lowered, natural mellowing process of the tobacco is quickened, offensive odor and irritation in raw tobacco are reduced, and accordingly quality of cigarettes is upgraded while safety in cigarette smoking is improved.
Owner:BELL FLAVORS & FRAGRANCES SHANGHAI

Process using Chongqing Fengjie Yunyan 87 flower buds as raw materials to extract essential oil and application of essential oil

The invention discloses a process using Chongqing Fengjie Yunyan 87 flower buds as raw materials to extract essential oil and application of the essential oil. The process includes: adding distilled water into smashed Chongqing Fengjie Yunyan 87 flower buds according to the material-liquid ratio of 1:10-1:30, adding cellulase accounting for 2-10% of the weight of the tobacco flower buds, adding sodium chloride accounting for 5-25% of total weight, performing ultrasonic treatment for 10-40 minutes, and distilling with steam for 2-6 hours to prepare the flower bud essential oil. The flower bud essential oil prepared by the process has the advantages that the essential oil is capable of well eliminating OH free radicals and O2- free radicals and is a good antioxidant substance; meanwhile, the essential oil has certain antibacterial activity against escherichia coli, bacillus subtilis and paenibacillus polymyxa and is a good antibacterial agent. The Chongqing Fengjie Yunyan 87 flower bud essential oil prepared by the process can be used as an antioxidant agent and the antibacterial agent.
Owner:CHINA TOBACCO GUANGXI IND +1

Antibacterial negative oxygen ion material and preparation process thereof

InactiveCN112136832AAvoid breedingGood air freshening effectBiocideElectrotherapySilver carbonateDimerumic acid
The invention relates to the technical field of negative oxygen ion materials, in particular to an antibacterial negative oxygen ion material which comprises the following components in parts by weight: 35-40 parts of germanium; 1-5 parts of rare earth ytterbium; 1-5 parts of silver oxide; 2-6 parts of rare earth terbium; 35-50 parts of tourmaline; 30-50 parts of pelelith; 10-20 parts of pumice powder; 20-50 parts of nanometer zinc oxide powder; 100-200 parts of water; and 50-100 parts of a dispersing agent. The preparation method comprises the following steps: S1, crushing pelelith into coarsepelelith powder of 80-160 meshes; and S2, adding a coarse grinding medium into the coarse pelelith powder obtained in the step S1. The invention has the beneficial effects that silver oxide absorbs carbon dioxide in air and becomes silver carbonate, and a good air freshening effect is achieved; meanwhile, relatively strong bactericidal effect is achieved, the antibacterial performance is enhanced, the breeding of bacteria and moulds is prevented, the nano-zinc oxide is an antioxidant material, the antioxidant material can delay senescence, and germanium can release negative oxygen ions, but the duration time is not long.
Owner:上海多礼新材料研究中心

Chinese wampee leaf fermented alcoholic beverage and processing method thereof

ActiveCN106520458ARich in nutrientsExcellent antioxidant qualityAlcoholic beverage preparationCellulosePectinase
The invention discloses a Chinese wampee leaf fermented alcoholic beverage and a processing method thereof. The method comprises the following steps: (1) screening Chinese wampee leaves; (2) pulping the Chinese wampee leaf; (3) adjusting the sugar degree; (4) feeding cellulose; (5) feeding pectinase; (6) inoculating yeast; (7) carrying out main fermentation; (8) carrying out secondary fermentation; (9) ageing; and (10) obtaining the finished product. The fresh Chinese wampee leaves are used as raw materials for processing the fermented alcoholic beverage, and key problems of pulping, enzyme treatment, fermenting, ageing, clarification and the like are mainly solved. By the method, flavor substances and hygienical component in the Chinese wampee leaves are not damaged, and the fermented alcoholic beverage which has faint scent of the Chinese wampee leaves and mellow fragrance of fermented wine, meanwhile is rich in health protection components of the Chinese wampee leaves, and has abundant contents of antioxidant substances.
Owner:SOUTH CHINA UNIV OF TECH

Composition for delaying senility and preparation technology of composition

The invention discloses a composition for delaying senility. The composition is prepared from the following components in parts by weight: 4 to 30 parts of collagen, 0.02 to 2 parts of haematococcus pluvialis, 0.01 to 0.5 part of tremella polysaccharides, 0.01 to 1 part of coniferous cherry powder, 0.1 to 2 parts of vitamin C, 3 to 10 parts of ingredients and 50 to 98 parts of purified water. According to the composition for delaying the senility, disclosed by the invention, all the components are synthesized, so that exogenous water-preserving antioxidant substances required by a human body can be supplemented and endogenous water-preserving antioxidant substances in the human body also can be increased; the interaction of exogenous and endogenous antioxidant substances is promoted to form a water-preserving antioxidant symbiotic ring, so that a comprehensive and effective synthetic effect in water-replenishing and anti-oxidation is produced; the composition is safe and reliable and has no toxic and side effects. A method for effectively detecting the content of the components in the composition is adopted, and especially the method for detecting the content of astaxanthin in a solution containing a protein sample has the advantages of simple operation, high sensitivity and wide application.
Owner:石家庄瑞大圣康生物科技有限公司

A skin repair complex and its use

The invention relates to a skin repair compound in the field of cosmetics and skin care. The skin repair compound contains green plum flower extract and pine pollen extract. The weight percentage of green plum flower extract is 0.05-0.5%, which can scavenge free radicals. The balance of free radicals is more conducive to maintaining the activity of cells, making cells secrete more extracellular matrix and collagen, thereby effectively maintaining the integrity of skin structure. Enhance the elasticity of the skin and strengthen the anti-aging function of the skin. The pine pollen extract accounts for 0.5-2.0% by weight, and its active ingredients can strengthen the absorption of active ingredients in the green plum flower extract, effectively improving the problem of poor skin absorption of single antioxidant substances such as green plum flower extract, Then further strengthen the skin's moisturizing ability, improve skin elasticity, and achieve anti-aging effects.
Owner:烟台新时代健康产业日化有限公司

Method for evaluating antioxidant activity of antioxidant substance

The invention belongs to the field of biotechnology, and in particular relates to an evaluation method for the antioxidant activity of antioxidant substances. This evaluation method takes Saccharomyces cerevisiae as a model, inoculates and cultures Saccharomyces cerevisiae, and then adds oxidant oxidative stress culture to obtain the Saccharomyces cerevisiae oxidative stress model, which is the control group; adds the test sample to the inoculated Saccharomyces cerevisiae, and then adds oxidant oxidation stress culture. The stress culture was used to obtain the treatment group; the antioxidant activity of the test samples was evaluated by measuring and comparing the growth of Saccharomyces cerevisiae and the antioxidant index in Saccharomyces cerevisiae in the control group and the treatment group. The evaluation method provided by the invention is close to the actual system of living organisms, and is relatively sensitive. Taking the brewer's yeast as a model, it overcomes the shortcomings of long period, high cost and cumbersome experimental process. The present invention uses bacterial strain ATCC9763 as a model to establish an evaluation of antioxidant activity, and provides a research method for exploring the antioxidant activity of antioxidant substances in vivo.
Owner:SOUTHWEST UNIVERSITY

Preparation method of pickled vegetables with anti-oxidation function

The invention belongs to the field of foods, especially provides a preparation technology of pickled vegetables in the field of the foods, and in particular relates to the preparation method of pickled vegetables with an anti-oxidation function. The method includes the following steps: 1) performing treatment on raw materials; 2) adding a saline solution; 3) performing inoculation with lactococcuslactis PCYTY-13 and leuconostoc mesenteroides PCY-3R18, and performing primary fermentation; 4) performing inoculation with lactobacillus brevis PCYTY-7 and lactobacillus plantarum PC-170, and performing secondary fermentation; and 5) performing bagging, and performing vacuum impregnation. The method provided by the present application uses the lactic acid bacteria with antioxidant enzyme activity to regulate the fermentation of the pickled vegetables to prevent microorganisms from inhibiting metabolism mutually, after the fermentation is completed, the pickled vegetables are impregnated by using an antioxidant flavoring liquid in vacuum, so that the method can not only solve the lack of flavor caused by short fermentation time, but also increase the content of antioxidant substances in the product, and the final product is crisp and tender in texture, moderate in acidity, bright in color, rich in the antioxidant substances and stronger in activity.
Owner:SICHUAN DONGPO CHINESE PAOCAI IND TECH RES INST

Plant extract-synthesized nano-silver multifunctional degradable food packaging material and preparation method thereof

The invention discloses a plant extract-synthesized nano-silver multifunctional degradable food packaging material and a preparation method thereof, belonging to the field of biomass recycling and degradable materials. The method comprises the following steps: firstly, preparing a plant extract; then, subjecting silver nitrate to green reduction under the treatment of a series of methods like ultrasonic treatment by using antioxidant substances such as polyphenol and flavonoid in the plant extract to prepare nano-silver; and finally, blending the nano-silver and a degradable material, conducting full stirring at a certain temperature, enabling the compositional substances to react with each other, conducting uniform tape-casting, and performing drying to form a film, thereby obtaining the multifunctional degradable food packaging material. The preparation process of the nano-silver is green and friendly and has good economic feasibility and biocompatibility; the food packaging material can be completely degraded in nature, is free of pollution, and has the functions of excellent biocompatibility, antibacterial property, oxidation resistance, ultraviolet barrier property and the like.
Owner:JIMEI UNIV

Freeze-dried tear stain-removing staple food for pet cats and preparation method thereof

The invention provides a freeze-dried tear stain-removing staple food for pet cats, which comprises the following components in 100 parts by weight: 70-90 parts by weight of a main material, 2-5 parts by weight of cellulose, 1-5 parts by weight of vegetable oil, 1-10 parts by weight of krill oil, 0.5-5 parts by weight of calendula, 0.15-5.5 parts by weight of a plant extract, 0.01-0.5 part by weight of haematococcus pluvialis and the balance of an additive. The plant extract comprises a honeysuckle flower extract, a semen plantaginis extract, a chrysanthemum flower extract, a liquorice root extract, a cranberry extract, a Vaccinium vitis-idaea extract, a green tea extract, a ginkgo leaf extract and a grape seed extract. Through cooperation of various anti-inflammatory and anti-oxidation substances, the anti-oxidation substances can relieve stress of cat eyes of pets, reproduce bacteria around eyes, inhibit inflammation, scavenge free radicals and reduce tear discharge of pet cats. Meanwhile, the liquorice root extract has the effects of expelling phlegm to arrest coughing and clearing away heat and toxic materials, is beneficial to dredging nasolacrimal ducts of the pet cats, and fundamentally reduces the production of tears, thereby achieving the purpose of reducing tear stains.
Owner:TIANJIN RANOVA PET FOOD

Cranberry ferment beverage and preparation method thereof

The invention discloses a cranberry ferment beverage and a preparation method thereof. The cranberry ferment beverage is prepared by blending auxiliary materials with cranberry ferment prepared by carrying out primary fermentation on raw materials, and carrying out secondary fermentation and post treatment. The cranberry ferment beverage comprises the following components in parts by weight: 12-20 parts of cranberry ferment, 0.5-2 parts of stevioside and 0.1-0.5 part of glycine. The cranberry ferment beverage disclosed by the invention contains rich nutrient substances in cranberries, tannin existing in the cranberries is capable of effectively promoting urination and disintoxicating, antioxidation substances, oligomeric procyanidins and the like existing in the cranberries are capable of improving the human immunity and resisting aging, and simultaneously the cranberry ferment beverage also has the effects of inhibiting helicobacter pylori, preventing gastric ulcer and gastric cancer, and protecting the gastrointestinal tract; simultaneously, the stevioside and the glycine are matched with the cranberry ferment, so the cranberry ferment beverage has good mouthfeel; a phytochemical is further added; and through the targeted post treatment, the alcohol taste and volatile acid taste in the cranberry ferment are reduced, the mouthfeel and flavor of the ferment are improved, the potential hazards of toxic substances such as methanol are eliminated, and the product safety is improved.
Owner:北京中康长和健康科技有限公司

Mask for repairing aging and injury

InactiveCN107412050AIngredient safetyImprove the situation of decreased activityCosmetic preparationsToilet preparationsEnzyme systemRed Clover
The invention discloses a mask for repairing aging damage. The facial mask is added with a plant composition composed of lettuce antioxidant enzymes, red clover isoflavones, and wintergreen polyphenols. Among them, red clover isoflavones can effectively improve the antioxidant substances in cells and the decline in enzyme system activity. At the same time, lettuce is rich in antioxidant enzymes, which can effectively prevent the formation of free radicals, remove excessive free radicals and other peroxidative substances; wintergreen polyphenols can directly provide sufficient active protons and interact with free radicals or other peroxidative substances. The combination of oxidizing substances further stabilizes and eliminates free radicals. The three ingredients synergistically resist oxidation and skin care, so that the mask can significantly delay skin aging; and the mask can provide the skin with nutrients such as vitamin E and amino acids, thereby promoting collagen. Protein synthesis, speed up the repair of damaged cells.
Owner:FOSHAN JUCHENG BIOCHEM TECH RES & DEV CO LTD

Process for producing pig compound feed by resource utilization of dairy cow manure

The invention discloses a process for producing pig compound feed by the resource utilization of dairy cow manure. The process is favorable for realizing the resource utilization of the dairy cow manure and solves the two problems of dairy cow breeding environment pollution and live pig breeding resource shortage. The process has the benefits that through the combined effect of biological fermentation agents and cellulose, the dairy cow manure is converted into the pig compound feed with high protein content, bright color and mellow smell through adding of fermented mash in the fermentation process; the pig compound feed has the advantages of better deodorization effect, high nutritive value and the like; through multi-strain anaerobic fermentation, the biological activity of pathogenic microorganisms is restrained, and by means of lactic acid generated by lactic acid bacteria, antibiotic substances generated by actinomycetes and antioxidant substances generated by other beneficial microorganisms, the pathogenic microorganisms are effectively restrained and killed, so that the pig compound feed is harmless; the pig compound feed confirms to the hygienic standards of feed; in addition, the process is simple and is easy for large-scale industrial production.
Owner:QINGDAO JIARUI BIOLOGICAL TECH

Method for detecting antioxidants in vegetable oil or animal fat

The invention relates to a device for detecting antioxidants in vegetable oil or animal fat and an operating method thereof, and belongs to the technical field of high performance liquid chromatography (HPLC). The method for detecting antioxidants in the vegetable oil or animal fat can quickly detect the objects with antioxidant activity in the oil and fat. The device for detecting antioxidants in vegetable oil or animal fat is composed of a high performance liquid chromatograph (HPLC includes a high-pressure pump, a silicone liquid chromatographic column, a visible ultraviolet detector, a sampler, a signal recorder), a high-pressure pump, a visible detector, a signal recorder, a T-joint for the HPLC, a buffer, and a reaction cycle, and utilizes a chemical radical Galvinoxyl to detect antioxidant in mixture. HPLC mobile phase utilizes n-hexane and tert-butyl methyl ether, and the radical solvent is n-hexane. Components in the oil and the fat are reacted with the radical after being separated by the high performance liquid chromatography (HPLC) one by one, wherein components with antioxidant activity enable the radical to fade and to be the negative peak. Chromatograms being compared with those reacted with the radical, the number of the antioxidants in the oil and fat, retention time and the antioxidant activity of the components can be acquired. The method for detecting the antioxidants in the vegetable oil or animal fat has the advantages of being quick and easy, and high in sensitivity.
Owner:NORTHWEST A & F UNIV

Method for preparing high-efficiency bacteriostatic agent from reed leaf extract

The invention relates to a preparation technology of a novel bacteriostatic agent, in particular to a method for biosynthesizing a nano-silver bacteriostatic agent from a reed extract. The method comprises the following steps: 1, collecting reed leaves, cleaning and drying to constant weight, 2, cutting the dried reed leaves into pieces, putting the reed leaves and an extracting agent into a reflux device for heating reflux, naturally cooling and filtering a product obtained after heating reflux, then carrying out centrifugal treatment, taking a supernatant to obtain a reed leaf extracting solution which is light yellow, and storing for later use, and 3, mixing the reed leaf extracting solution with double distilled water to obtain a mixed solution, adding a silver nitrate solution, uniformly stirring, carrying out heating reflux treatment, and stopping heating reflux when the solution becomes golden yellow, thereby obtaining the nano-silver bacteriostatic agent. The nano-silver bacteriostatic agent is rich in raw material resources, low in cost and environmentally friendly, rich antioxidant substances in reed leaves are used as a reducing agent, and the synthesized nano-silver bacteriostatic agent has remarkable bacteriostatic activity and stability.
Owner:LUDONG UNIVERSITY

Anti-aging health food and preparation technology thereof

The invention discloses an anti-aging health food. The food is prepared from effective components in parts by weight as follows: 10-25 parts of cordyceps militaris powder, 3-10 parts of astaxanthin, 15-30 parts of radix ginseng, 5-20 parts of lycopene, 30-60 parts of oligomeric proantho cyanidins and 20-50 parts of maca powder. The invention also discloses a preparation technology of the anti-aging health food. Six antioxidant substances including the cordyceps militaris powder, the astaxanthin, the radix ginseng, the lycopene, the oligomeric proantho cyanidins and the maca powder are well combined in a certain ratio, so that the obtained health food has high antioxidant, anti-inflammatory and anti-infection capacity, can prevent multiple tumors, obesity, gout, cardiovascular diseases, enhance immunity and the like and has a protection function on central nervous systems.
Owner:深圳地天国际生物工程科技有限公司
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