142results about How to "Has antioxidant capacity" patented technology

The invention provides an antrodia camphorate cultivation method; firstly, pre-cultivating the antrodia camphorate on a slant culture medium, taking out a part of pre-cultivated antrodia camphorate to inoculate a liquid culture medium, and then inoculating the antrodia camphorate cultivated in the liquid culture medium to a solid culture medium for the cultivation. The antrodia camphorate cultivated in the method has similar effects of wild antrodia camphorate, including effects of restraining growth activity of human cancer cells and cancer auxiliary treatment, also having abilities of restraining human low density lipoprotein oxidation for lowering incidence rates of artery hardening and restoring damaged liver functions.

The present invention relates to an application of iridoid in the preparation of anti-osteoporosis medicines, which belongs to the medicines technical field. The invention provides an application of iridoid which is shown in a general formula I in the preparation of medicines used for treating and/or preventing osteoporosis. Experiments found that ALP activity in UMR106 cells is taken as guidance for tracing and separating an extract of iridoid possessing general formula I, the extract and each separated component are researched from the aspects of osteoblast propagation and antioxidation activity, the iridoid possessing the general formula I has the effects of substantially promoting alkaline phosphatase activity and osteoblast differentiation, so that the iridoid has anti-osteoporosis effect and can be used for preparing the medicines used for treating or preventing osteoporosis. The component of specnuezhenide and a compound G13 possesses the effects of substantially promoting the alkaline phosphatase activity and osteoblast differentiation, and the specnuezhenide has effects for obviously promoting UMR-106 cell proliferation, a better effect is obtained when the specnuezhenide is used for anti-osteoporosis effect.

The invention relates to a composite natural fresh-keeping agent for cold fresh meat and application of composite natural fresh-keeping agent. The composite natural fresh-keeping agent for the cold fresh meat is characterized by comprising tea polyphenol, chitosan, nisin, natamycin, lysozyme, oregano essential oil, vitamin C, vitamin E, erythorbic acid, a spice extract and water in certain proportions by weight, wherein the spice extract is obtained by extracting ginger, garlic, cinnamon, cardamom, clove and rosemary in certain proportions by weight through ethanol extraction. The composite natural fresh-keeping agent for the cold fresh meat is prepared from biological-source raw materials by a simple preparation method, has the advantages of non-toxicity, safety, broad antibacterial spectrum and the like, is convenient to operate during using and prominent in fresh-keeping effect, and has an important industrial value.

The invention relates to Chestnut shell natural brown pigment extraction method, which consists of refining the crude extract of chestnut shell brown pigment with aqueous solution of ethanol, stewing, filtering, drying the precipitate directly or by water spraying, thus obtaining refined pigment I product, recovering ethanol from the filtrate, evaporating the aqueous solution to dryness or spray drying, thus obtaining refined pigment II product.

The invention relates to the technique of natural edible pigment in the food additives, which in detail a method for producing natural chestnut shell brown pigment, breaking the chestnut shell, extracting with base solvent after removing the flocculus, filtering the extracting fluid, condensing the filtering fluid, depositing, separating, drying and getting the natural chestnut brown pigment. The invention is characterized by the high productivity, good product quality, strong stability, simple process, low cost, changing the disposal to useful things, which opens a new way of producing natural brown pigment for food industry and at the same the industrialized production of the pigment contributes a lot for protecting ecological environment and increasing social benefit.

The present invention discloses an electric conduction nanometer copper ink preparation method, which comprises: (1) sequentially adding polyvinylpyrrolidone, freshly-prepared copper hydroxide and glycerol to a first solvent to form a mixed solution; (2) adding the mixed solution obtained in the step (1) into a an autoclave, and carrying out a reaction for 2-24 h at a temperature of 80-250 DEG C to obtain a nanometer copper dispersion liquid; (3) carrying out a centrifugation treatment on the nanometer copper dispersion liquid, washing the obtained precipitate by using a second solvent, and carrying out vacuum drying to obtain copper nanoparticles; and (4) dispersing the obtained copper nanoparticles in a third solvent to form the electric conduction nanometer copper ink. According to the present invention, the inexpensive glycerol is adopted as the reducing agent to prepare the electric conduction nanometer copper ink, such that the method has characteristics of simple process, easy operation, safety, no toxicity, green environmental protection, low cost, controlled reaction process, no impurity introducing during the reaction, high yield, and simple and mild reaction conditions, and is suitable for large-scale industrial production.

The invention relates to an oxidation-resistant material and a method employing the same for preparing a tantalum-tungsten alloy anti-oxidation coating. The oxidation-resistant material is characterized by comprising a first anti-oxidation material and a second anti-oxidation material, wherein the first anti-oxidation material comprises 1-5wt% of Cr, 1-5wt% of Ti, 0.1-2wt% of Y2O3, 0.5-3wt% of W, 0.5-3wt% of Nb, 1-5wt% of HfO2, and the balance Si; the second anti-oxidation material comprises 6-15wt% of Mo, 0.5-3wt% of W, 0.5-3wt% of Nb, 0.3-2.2wt% of Y, 1-5wt% of HfO2, and the balance Si. The tantalum-tungsten alloy anti-oxidation coating prepared by the method has a wide operating temperature range, and is high in continuous static load and antioxidant capacities, and is particularly suitable for high-temperature structural components such as a thrust chamber, a nozzle jet, a front edge and a guide tube of an airspace engine.

The invention discloses a preparation method of tobacco leaf moisturizing liquor for lowering tar content and benzopyrene content. The tobacco leaf moisturizing liquor for lowering tar content and benzopyrene content is prepared from 20-30 parts of tobacco polyphenol part Maillard reaction product, 10-20 parts of radix salviae miltiorrhizae extract carbonyl separation part, 15-25 parts of rosemary extract phenol aldehyde separation part, 10-20 parts of honeysuckle flower extract flavone separation part, 15-30 parts of red date tincture, 10-15 parts of black currant thick paste, 10-25 parts of apple juice, 5-20 parts of black tea tincture, 10-30 parts of coffee tincture, 25-35 parts of concentrated hawthorn juice, 10-20 parts of tomato ketchup, 10-100 parts of lactic acid, 1-5 parts of postassium acetate, 1-5 parts of zinc acetate, 0.5-1 part of potassium sorbate, 100-200 parts of glycerol, 50-100 parts of propanediol, 100-300 parts of ethanol, 5-71 parts of laurel skin tincture and 2-5 parts of fructus momordicae glycoside. Water is added to 1000 parts.

The invention relates to a disease resistance-promoting feed for an egg producing period of hens and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 10-20 parts of oat, 8-20 parts of bean pulp, 2-6 parts of corn protein powder, 1-5 parts of sesame seed meal, 1-5 parts of chili slag, 0.5-1.5 parts of rice bran oil, 1-5 parts of gardenia fruit pomace, 0.03-0.1 part of hydrolysable tannins, 0.025-0.1 part of Perstorp SR130, 0.01-0.03 part of beta-carotene, 0.1-0.2 part of natural xanthophyll, 0.001-0.05 part of carnitine, 0.03-0.08 part of glycine betaine, 0.05-0.1 part of probiotics, 0.05-0.1 part of a complex enzyme preparation, 0.01-0.12 part of a mycotoxin adsorbent and 1-2 parts of mixed yeast of oat bran and wheat fibers. The disease resistance-promoting feed for the egg producing period of hens has the effects of obviously promoting the immunological functions of the hens, promoting the intestine health and enhancing the disease resistance.

The invention provides negative-potential acid water and a preparation method thereof, which belong to a technology for purifying the water quality and concretely relate to the field of functional water, in particular to a technology for changing and finishing a water molecule group structure. The invention has the characteristic that the water is acid and has a negative potential. The negative-potential acid water is manufactured according to the following operation sequences of: setting a main water tank and an auxiliary water tank, separating the main water tank and the auxiliary water tank by an ion diaphragm and adding raw water; electrolyzing in an electrode inversion way; measuring pH value and ORP value alternately; once the pH of the raw water of the main water tank is smaller than 8.5 and the oxidation-reduction potential ORP is smaller than -300mv, pausing electrolysis and changing the setting of electrodes; setting the electrode of the main water tank into an electrolytic positive pole, setting the electrode of the auxiliary water tank into an electrolytic negative pole and executing re-electrolysis; and obtaining the negative-potential acid water until the pH value is measured to be smaller than 6.5 and the ORP is measured to be smaller than 0. The invention has the following advantages: the negative-potential acid water is provided for the market, the invention has a certain anti-oxidation capability, and the senility of the skin is delayed; a device for preparing the negative-potential acid functional water is also arranged, the preparation is easy, and the cost is low; and novel practical water is provided for the market.

The invention provides a method for extracting ellagic acid tannin from chestnut bur. The method comprises the following steps of: adding chestnut bur powder into an ethanol aqueous solution to obtain ethanol aqueous dispersion of the chestnut bur; ultrasonically extracting the ethanol aqueous solution, refluxing in a water bath and extracting; and concentrating filtrate to obtain the ellagic acid tannin. The method has the advantages that: (1) the process is simple, the cost is low, the ellagic acid tannin is refined from the ethanol aqueous solution, and the condition is mild; and (2) ethanol is used in the extracting process, and the obtained natural tannin is safe and nontoxic, and is harmless to human bodies.

The invention discloses an application of 3-phenylcoumarin robustic acid in a medicinal preparation for treating diabetes. Free radical removing experiments in vitro prove that the 3-phenylcoumarin robustic acid has obvious removing effects on DPPH free radicals and ABTS free radicals, and IC50 values are 1mg/ml and 0.5mg/ml respectively; the 3-phenylcoumarin robustic acid and 2,6-di-tert-butyl-4-methylphenol have similar antioxidation capabilities. At the same time, the 3-phenylcoumarin robustic acid has a good inhibition effect on alpha-glucosidase activity.

The invention discloses a method for preparing anti-oxidation active liquid by performing enzymatic hydrolysis on soft-shelled turtle eggs. The method comprises the following steps: reverse osmosis water washing, stirring, passivation, filtration, centrifugation, concentration, membrane filtration, filling and sealing. According to the technical scheme of the method, soft-shelled turtle egg protein is mildly hydrolyzed by using a modern biological enzyme engineering technology, hydrolysis components are relatively stable, environmental pollution cannot be caused, and the method is easy to operate and control; by controlling hydrolysis conditions, nutritional values of the anti-oxidation active liquid can be improved and the anti-oxidation active liquid can be easily absorbed; moreover, the mixed liquid has a certain antioxidant capacity, and the antioxidant activity of the mixed liquid cannot be reduced after the mixed liquid is heated for 30 minutes ( by virtue of pasteurization) in hot water of which the pH value is 4.0 and the temperature is 85 DEG C; and the mixed liquid of amino acids, peptides and relatively large-molecular protein, prepared by using the method disclosed by the invention, have antioxidant capacity and thermal stability and can be applied to the field of processing of cosmetics, health products and foods.

The invention discloses an iron-carrying meso-porous silicon composite material as well as a preparation method and application thereof. The iron-carrying meso-porous silicon composite material is prepared by adopting the preparation method comprising the following steps: suspending meso-porous silicon in n-pentane, slowly introducing an iron source under magnetic stirring to obtain a ferric oxide meso-porous silicon composite material; after drying the ferric oxide meso-porous silicon composite material at a temperature of 50-70 DEG C, suspending in the n-pentane, under the atmosphere of an inert gas, dropwise adding a sodium borohydride solution, completely reducing ferric oxide to generate zero-valent iron so that the making of the iron-carrying meso-porous silicon is completed. The iron-carrying meso-porous silicon composite material is prepared by adopting a dual-solvent dipping method, can be applied to removal of organisms of nitrophenol organic matters in a water body, has the advantages of strong reducing property, high reaction rate, extremely short balance time, excellent oxidation resistance, and the like, and is high in removal rate and short in treatment time.

The application discloses a photocatalyst, a preparation method and application thereof. The photocatalyst comprises citric acid and bismuth oxyhalide, the citric acid is modified on the surface of the bismuth oxyhalide. The chemical formula of the bismuth oxyhalide is BiOX; X is selected from at least one of F, Cl, Br, I and At. The color of the photocatalyst is black. The energy band structure of the photocatalyst has stable oxygen vacancy energy levels between a conduction band and a valence band, so that the photocatalyst has wide spectrum absorption extending to a visible light range, thereby obviously improving the photocatalytic performance and having certain oxidation resistance, thus being capable of maintaining black stability in an oxygen atmosphere environment and a thermal heating environment and ensuring long-period stability of high-efficiency visible photocatalytic performance.

The invention provides a composition for removing dark circles and under-eye puffiness as well as a preparation method and application thereof. Based on the total mass of the composition for removingdark circles and under-eye puffiness, the composition for removing dark circles and under-eye puffiness is prepared from 0.01%-3% of fraxinus chinensis bark extract, 0.01%-1.5% of an asparagopsis armata extract, 0.01%-5% of glucosyl hesperidin, 0.001%-0.05% of acetyl tetrapeptide-5, and 0.1-10% of a coffee extract. According to the composition for removing dark circles and under-eye puffiness, allthe components are mixed for use, the purpose of synergistic interaction can be achieved, and therefore the problems of the dark circles and the under-eye puffiness are effectively solved.

The invention relates to fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film and a preparation method thereof, and belongs to the technical field of food and medicine packaging. The fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film is prepared by extracting collagen from oreochromis mossambicus scale, taking mesona chinensis glue, asparagus powder and cranberry fruit powder extracted and prepared from the roots, stems and leaves of mesona chinensis as base materials and adding sodium carboxymethylcellulose and glycerinum. The fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film has the advantages that the technological process is simple, all the materials are harmless to the human body, and the edible film has nutritive value, has better antibacterial and antioxidant effects, can be completely degraded under the natural environment, and has no pollution to the environment.

The invention provides a China aster composite capsule. The active ingredients of marigold, blueberry, grape seed and astragalus mongholicus are integrated in the China aster composite capsule. The China aster composite capsule can improve the immunity of a human body. The China aster composite capsule can penetrate through a blood brain barrier of the human body to activate retinal enzyme, promote the resynthesis of rhodopsin in a retina and improve eyesight, and play a very important role in prevention and supplementary treatment on senile macular degeneration, cataract and the like. Anthocyanin, lutein and procyanidine have high oxidation resistance, particularly the oxidation resistance of the procyanidine is 20 times that of vitamin C and 50 times that of vitamin E, and the procyanidine is the natural invincible opponent of free radicals, enhances the flexibility of a capillary vessel, prevents arteriosclerosis and prevents blood vessels from being broken. At present, much lutein exists in the form of lutein ester and cannot be directly absorbed by the human body. An extract of the China aster composite capsule is rich in lutein in free state, which is up to over 90 percent in content and can be directly absorbed and utilized by the human body, so that the China aster composite capsule is high in bioavailability and better in treatment effect.

The invention provides an integrated refractory wastewater treating and reusing device and a sewage treatment method. With the device provided by the invention, the interior of an advanced oxidation reaction unit is provided with baffle plates which separate the advanced oxidation reaction unit into a plurality of reaction sections; a membrane separation component is arranged inside the last reaction section along the direction of water flow; the advanced oxidation reaction unit respectively communicates with a water inlet unit and an oxidant supply unit; and a water outlet unit communicates with the membrane separation component. In the advanced oxidation reaction unit, sewage, an oxidant and a powder catalyst undergo a contact reaction, so pollutants in the sewage are degraded, and a water phase is discharged after filtered through the membrane separation component. The device provided by the invention combines advantages of an advanced oxidation method and a membrane separation method, solves the problem of difficult separation of the powder catalyst in the advanced oxidation method by utilizing membrane separation, can well control pollution of a separation membrane at the same time, and has advantages like small occupied land area, short reaction time, low investment cost, and capability of synchronously realizing up-to-standard treating and reusing.

The invention discloses Zingiber corallinum Hance essential oil with anti-dandruff activity and a preparation method and application thereof. The preparation method comprises 1) drying and grinding Zingiber corallinum Hance residues to obtain Zingiber corallinum Hance residue powder, 2) carrying out high temperature sterilization on the Zingiber corallinum Hance residue powder at 121 DEG C for 30min, then carrying out cooling and taking out the Zingiber corallinum Hance residue powder, 3) adding 0.1% of powder of lactic acid bacteria and 20 times by weight of water into the Zingiber corallinum Hance residue powder subjected to sterilization and cooling, carrying out sealing and carrying out continuous fermentation at 40 DEG C for 6d, 4) after the fermentation is completed, taking out a sample and carrying out drying in a water bath at 45 DEG C to obtain fermentative Zingiber corallinum Hance residue powder, 5) adding the fermentative Zingiber corallinum Hance residue powder into 25 times by weight of distilled water, carrying out immersion for 1.0-1.5h, carrying out steam distillation, collecting the distillate, adding NaCl into the distillate, carrying out extraction through a lipophilic organic solvent 3 times and collecting organic extract, and 6) drying the organic extract through anhydrous Na2SO4 and recovering ethyl ether in a water bath at 45 DEG C. The Zingiber corallinum Hance essential oil has antibacterial, anti-inflammatory, anti-oxidation and anti-dandruff effects.