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58results about How to "Has a clearing effect" patented technology

Preparation method of plant unbleached impregnated specimen

InactiveCN102524245APrevent browningSimplified fixed killing proceduresDead plant preservationBiotechnologyEngineering
The invention provides a preparation method of a plant unbleached impregnated specimen. In the invention, the fixative of the operation process adopts a composite biocidal formula and simplifies the fixing and biocidal procedures, and the operation is simple; and the preservation solution for preserving the plant specimens adopts nontoxic and inexpensive biological extracts, such as garlic extract, ginger extract, carboxylation chitosan and the like, and solves the problem of environmental pollution when preserving and storing the plant specimens. The preparation method of invention can be applied to the impregnation and preservation of monochromatic plants, such as green, yellow, red, white plants and the like, multi-color plants and whole plant specimen, and provides a novel way for preparing the plant unbleached impregnated specimens.
Owner:HENAN UNIV OF SCI & TECH

Blood purification adsorbent with embedding material and preparation method of blood purification adsorbent

The invention relates to a blood purification adsorbent with an embedding material and a preparation method of the blood purification adsorbent. The embedding material comprises zwitterionic monomer, a cross-linking agent, an initiator and a solvent, and the zwitterionic monomer comprises one or two types of zwitterionic molecules of carboxyl betaine, sulfobetaine and phosphorylcholine. The method includes: mixing the zwitterionic monomer, the cross-linking agent, the initiator and the solvent; adding activated carbon or resin to form mixed solution, wherein the mass of added activated carbon or resin is 6%-50% of that of the zwitterionic monomer; subjecting the mixed solution with activated carbon or resin to ultraviolet radiation or heating or normal-temperature standing to enable curing of the monomer on the surface of the adsorbent through cross-linking polymerization to form the adsorbent with the zwitterionic embedding material. The embedding material is excellent in protein adsorption resistance and biocompatibility and is extremely high in toxin diffusion efficiency in application to blood adsorption. The blood purification adsorbent is easy to store, and the preparation method is simple and feasible.
Owner:TIANJIN UNIV

Method for preparing high-purity rhNGF

The invention provides a method for preparing high purity rhNGF from CHO cell culture, which combines cation- exchange chromatography and hydrophobic interaction chromatography. The method is characterized in that a cleaning step is added before chromatography by the two methods. Experiments prove that by the purification method, rhNGF precursor molecular variants can be removed, the content of N-terminal truncated and abnormal variants in purified products can be greatly reduced. The product has high purity and can meet the requirement of clinical application.
Owner:XINTRUM PHARMA

Photocatalyst type formaldehyde scavenger and preparation method thereof

The invention provides a photocatalyst type formaldehyde scavenger to solve the problems that in the prior art, the formaldehyde removing rate is low, secondary pollution is prone to being caused, and the cost is high. The photocatalyst type formaldehyde scavenger is composed of 1%-10% of a nano silver paste solution, 1%-15% of photocatalyst, 0%-5% of an N-lauroyl-L-glutamic acid surfactant, 0%-5% of polyethylene glycol, 1%-8% of a formaldehyde trapping agent, and the balance deionized water. The photocatalyst can be an anatase nanometer titania colloidal solution. The obtained photocatalyst type formaldehyde scavenger has the advantages of being high in formaldehyde removing rate, free of secondary pollution, environmentally friendly, economical and practical, and meanwhile, the photocatalyst type formaldehyde scavenger can be used for scavenging volatile organic compounds such as benzene, methylbenzene and xylene.
Owner:NINGXIA KOCEL BIOLOGICAL CHEM

Formaldehyde decomposition solution prepared by nano-pollen and nano-carbon as well as preparation method of formaldehyde decomposition solution

InactiveCN104096465AEliminate indoor environmental pollutionThe absorption function hasDispersed particle separationPhotocatalytic degradationActivated carbon
The invention provides a formaldehyde decomposition solution prepared by nano-pollen and nano-carbon. The formaldehyde decomposition solution comprises components in percentage by weight as follows: 10% of pollen, 1% of titanium dioxide, 5% of activated carbon, 0.1% of ethyl acetate and 83.9% of distilled water. According to the formaldehyde decomposition solution prepared by nano-pollen and nano-carbon, titanium dioxide is taken as a photocatalyst to decompose formaldehyde and other indoor pollutants into CO2 and H2O; activated carbon contains a large quantity of micro pores and has a huge specific surface area, so that a photo-catalytic reaction environment is provided for titanium dioxide, the influence of the poor catalytic effect caused by titanium dioxide agglomeration is reduced, the reaction speed of photocatalytic degradation of the indoor pollutants is increased, and meanwhile, activated carbon can effectively remove odor and can absorb other pollutants in a room. The invention further provides a preparation method of the formaldehyde decomposition solution.
Owner:WUHAN YILANG YIPIN BIOLOGICAL ENVIRONMENTAL PROTECTION TECH

Method for extracting flavonoids from Allium mongolicum Regel leaves

The invention discloses a method for extracting flavonoids from Allium mongolicum Regel leaves. The method comprises steps of: crushing Allium mongolicum Regel leaves dried in the shade by a grinder; sieving; adding the crushed leaves into a hot reflux extractor; soaking the crushed leaves with an ethanol solution; conducting heat reflux extraction by heating with a water bath for 3-4 h for extraction; adding an activated carbon powder into a triangular flask; filtering by a filter paper; and evaporating the liquid to dryness by a rotary evaporator to obtain an Allium mongolicum regel crude flavonoids dry sample. The method provided by the invention employs several conventional extraction methods of flavonoids, and can realize large-scale enterprization production; besides, the method studies antioxidant capacity of crude flavonoids under different temperatures, and provides the theoretical basis for different needs.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Filtering material for removing smoke of cigarette and its preparing method

The filter material for eliminating cigarette smoke is formed from tourmaline microcrystal, zeolite, far infrared zirconia powder and titania powder according to the mixing ratio of 60-65%:10-15%:10-15% and 15-20%. Its preparation process is as follows: firstly, cleaning tourmaline and zeolite respectively, drying and pulverizing to obtain tourmaline microcrystal and zeolite, mixing them according to the above-mentioned ratio, ball-grinding them to 100-120 meshes, heating at 450-500 deg.c for 3-4 hr, finally mixing the above-mentioned powder material, with plastics and foaming agent according to the ratio of 3:1:0.1, foaming so as to obtain the invented filter material microporous sponge body which not only can be used for elimianting cigarette smoke and cleaning air, but also can release lots of negative ions.
Owner:TONGJI UNIV +1

Preparation method of plant polyprenol with bacteriostatic and antioxidant activity and hydrogenated derivative thereof

The invention discloses a preparation method of plant polyprenol with bacteriostatic and antioxidant activity and a hydrogenated derivative thereof, which comprises the following steps of: taking gingko, pine needles and folium mori as raw materials, extracting a polyprenol lipid ointment through a non-polar solvent, including with a filler in urea alcohol solution, crystallizing, preparing a polyprenol type lipid urea inclusion compound and purifying polyprenol lipid through column chromatography; adding into 5-40 percent by weight of caustic soda solution for saponification reaction and preparing more than 95 percent by weight of polyprenol; adding a catalyst in methylene dichloride-methanol solution and ensuring that the mass ratio of the polyprenol to the catalyst is 80-200:1, the reaction pressure is 8-20 MPa, the reaction time is 18-48 hours, and the reaction temperature is 10-50 DEG C; and after reaction, filtering and concentrating under vacuum, wherein a concentrate is a polyprenol hydrogenated derivative. The polyprenol and the hydrogenated derivative thereof prepared by the method play roles in restraining staphylococcus aureus (Sa.), escherichia coli (Ec.), bacillus subtilis and salmonella and clearing superoxide free radicals and hydroxyl free radicals.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Preparation method of electronic package mould cleaning rubber

The invention discloses a preparation method of electronic package mould cleaning rubber. The preparation method comprises the following steps: firstly, adding a synthetic rubber composition into a rubber mixing mill for plastification; secondly, fully mixing a stabilizer, a scorch retarder, a cleaner, a filler composition and a solvent in a high-speed mixer to obtain a mixture, and mixing the mixture and plasticated rubber obtained in the first step in an internal mixer; thirdly, fully mixing a vulcanizer, an accelerant, the filler composition and the solvent in the high-speed mixer to obtain a mixture, and mixing the mixture with a rubber compound obtained in the second step for the second time; fourthly, thinning a rubber compound obtained in the third step for 5-6 times, tabletting, cutting according to the specified size, and plastically packaging. The preparation method has the advantages of being easy to operate and pollution-free; the cleaning rubber cannot corrode a mould, is low in preparation cost and good in cleaning performance, and can be stored at normal temperature.
Owner:NANTONG UNIVERSITY

Cyperus esculentus cookie and preparation method thereof

ActiveCN105053137AGood sensory qualityThe absolute value of hardness and adhesiveness is smallDough treatmentBakery productsAir dryingHardness
The present invention discloses a cyperus esculentus cookie and a preparation method thereof. The cyperus esculentus is processed by natural air drying, flour and cyperus esculentus powder are used as raw materials, butter, white granulated sugar, baking powder and eggs are used as accessory ingredients, and the cyperus esculentus cookies are prepared by mixing powder, molding, baking and cooling. The cyperus esculentus cookies include the following raw materials and accessory materials in weight ratios: 1300-1350 parts of flour, 50-60 parts of cyperus esculentus powder, 1200-1300 parts of butter, 500-600 parts of eggs, 650-700 parts of white granulated sugar, and 1-3 parts of edible baking powder. The cyperus esculentus cookies have significant effects of preventing oxidation and removing free radicals, have small absolute values of hardness and adhesiveness, are low in chewiness, high in nutritional values, crisp in texture, and golden with a pale green in color, and have cyperus esculentus fragrance and a wide range of application values.
Owner:XINJIANG ARMAN HALAL FOOD IND GRP CO LTD

Recombined chicken Marek's disease virus vaccine strain for expressing Gag and Env genes of avian leukosis virus subgroup J and construction method and application of recombined chicken Marek's disease virus vaccine strain

The invention discloses a recombined chicken Marek's disease virus vaccine strain for expressing Gag and Env genes of an avian leukosis virus subgroup J (ALV-J) and a construction method and application of the recombined chicken Marek's disease virus vaccine strain, and belongs to the technical field of medicine or veterinary medicine. By means of the recombination and clone technology, a gene segment CAG-ALVGE containing the ALV-J Gag and Env genes and a CAG promoter sequence is inserted in a US2 gene of the strain 814 of the chicken Marek's disease virus, a recombined cosmid with a CAG-ALVGE expression frame inserted in a US2 gene is constructed, and the recombined chicken Marek's disease virus vaccine strain for expressing the Gag and Env genes is obtained through salvation of the recombined cosmid. Research shows that the obtained vaccine strain has the same in-vitro replication ability as a parent virulent vaccine strain 814 and good hereditary stability, and can resist attacks of a very virulent MDV strain and a very virulent ALV-J strain at the same time. It can be seen that the obtained recombined MDV vaccine strain can be used for preparing medicine for preventing or treating avian leukosis and the chicken Marek's disease.
Owner:HARBIN VETERINARY RES INST CHINESE ACADEMY OF AGRI SCI

Layering hen premix rich in amino acid eggs and production method and application

The invention relates to the technical field of animal nutrition and feed additive production, in particular to a method for producing a layering hen premix rich in amino acid eggs. Compound amino acid powder, compound organic trace elements, compound vitamins, compound enzyme, Chinese herbal medicine powder, probiotic powder, compound essential oil and organic acid are used as main raw materials,fermented soybean meal, chrysanthemum meal, pepper meal, sodium humate and salt are used as carrier materials, and the layering hen premix rich in the amino acid eggs is obtained. The method for producing the layering hen premix rich in the amino acid eggs has the characteristics of specific sources of the production raw materials, balanced nutrition, good product quality, good application effects and the like. The production performance and feed utilization rate of laying hens can be improved, the content of lysine, arginine, unsaturated fatty acid in egg amino acid and zinc, selenium and iron in trace elements can be increased, the yolk color, egg white height and eggshell quality are improved, the nutritional value is quite rich, the breeding environment can further purified, and the layering hen premix is green and environmentally friendly.
Owner:辽宁威兰生物技术有限责任公司

Method of preparing food preservative through extraction waste liquid of cinnamon oil

A method of preparing a food preservative through an extraction waste liquid of cinnamon oil. The invention relates to a method of preparing food preservatives. The method includes following steps: (A) employing a water-phase distillate, which is flown from an oil-water separator in a cinnamon oil extractor, or the water-phase distillate, which is collected after a brown-black turbid waste liquid in the extractor is distilled again; (B) adding NaCl or KCl to separate trans-cinnamyl aldehyde and cinnamic acid out from the water-phase distillate; (C) adding an organic solvent to perform extraction, and performing pressure-reduced distillation to the organic solvent to obtain a brown oily liquid; (D) low-temperature freezing the brown oily liquid to precipitate crystals, and quickly filtering the liquid to obtain the trans-cinnamyl aldehyde / cinnamic acid mixture. The trans-cinnamyl aldehyde / cinnamic acid mixture has antibacterial activity on staphylococcus aureus, escherichia coli, bacillus subtilis, aspergillus niger, aspergillus flavus and penicillium citrinum, has a removal effect on DPPH free radicals and can be used as a food preservative. The method is simple in operations, is environment-protective and low-cost, and is convenient to popularize and apply.
Owner:HANGZHOU HUAWEIHENG FOOD CO LTD

Formaldehyde decomposition liquid

The invention discloses a formaldehyde decomposition liquid which comprises the following raw materials in parts by weight: 5-30 parts of sodium phytate, 2-15 parts of activated carbon, 2-20 parts of sodium sulfanilate, 0.2-5 parts of titanium dioxide, 1-15 parts of glucoside, 0.5-8 parts of ethylenediamine tetraacetic acid, 0.5-5 parts of ethyl acetate, 0.5-12 parts of dicyandiamide, 1-15 parts of carbohydrazide, 1-15 parts of sodium thiosulfate, 1-15 parts of glycerol and 50-120 parts of distilled water. A preparation method comprises the following steps: mixing the distilled water with titanium dioxide and the activated carbon, stirring, heating, adding other raw materials, performing heating and heat preservation, cooling to the room temperature, and filtering, thereby obtaining the formaldehyde decomposition liquid. Under mutual action of the raw materials, the formaldehyde decomposition liquid disclosed by the invention has a decomposition function on harmful organic matters such as formaldehyde and ammonia gases, further has a cleaning effect on cigarette smell, toilet smell, garbage smell, animal smell and the like, has functions of sterilization and purification, and is capable of effectively removing indoor environment pollution.
Owner:SHANGHAI YUZE BIOLOGICAL TECH

Method for preparing food preservative by using sand ginger oil extraction waste liquid

The invention discloses a method for preparing a food preservative by using sand ginger oil extraction waste liquid. The method comprises the following steps: taking aqueous distillate flowing out of an oil-water separator of a sand ginger oil extraction tank or aqueous distillate collected after redistilling brown-yellow turbid waste liquid in the extraction tank, and separating out a mixture of trans-ethyl p-methoxycinnamate and cis-ethyl p-methoxycinnamate in the aqueous distillate by adding sodium chloride or potassium chloride; adding an organic solvent for extraction, and distilling the organic solvent under reduced pressure to obtain brown-yellow oily liquid; freezing the brown-yellow oily liquid; separating out and crystallizing; and rapidly filtering to obtain a mixture of trans-ethyl p-methoxycinnamate and cis-ethyl p-methoxycinnamate. The mixture has antibacterial activity on aspergillus niger, aspergillus flavus and penicillium citrinum, has a scavenging effect on DPPH.free radical and ABTS+.free radicals, has suitable fragrance and can serve as the food preservative. The method is simple to operate, environment-friendly, low in cost and convenient to popularize and use.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Polypeptide for inhibiting melanin synthesis and plant composition

The invention discloses a polypeptide and plant composition for inhibiting melanin synthesis and a preparation method of the polypeptide and plant composition. The polypeptide and plant composition comprises palmitoyl pentapeptide-4, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, palmitoyl tripeptide-5, nonapeptide-1, L-carnosine, hexapeptide-9, acetyl hexapeptide-8, pentapeptide-3, a coix seed extract, a cynomorium songaricum extract, an astragalus membranaceus extract, a radix bupleuri extract and a liquorice root extract. According to the invention, the polypeptide and the plant composition are compounded, and different action mechanisms and sites of the polypeptide and the plant composition are utilized to perform whitening, repairing and anti-aging on the skin from multiple aspects. The polypeptide and the plant extract have a synergistic effect, and along with the increase of the variety of the polypeptide and the addition of the plant extract, the promotion effect on fibroblast proliferation is improved. Meanwhile, the polypeptide components are homologous with human bodies, so that human immune response and other side effects are not easily caused.
Owner:四川天晟制药有限公司

Preparation method and application of anti-red-spot grouper neuronecrosis virus (tcm) embryonic stem cells

The invention belongs to the technical field of biology, and particularly relates to a preparation method and application of an anti-Epinephelus akaara nervous necrosis virus medaka haploid embryonicstem cell. Medaka haploid embryonic stem cells (HX1 cells) are induced by Ethylmtrosourea (ENU)), and then the anti-Epinephelus akaara nervous necrosis virus medaka haploid embryonic stem cell G1 canbe screened; the anti-Epinephelus akaara nervous necrosis virus medaka haploid embryonic stem cell G1is preserved in china center for type culture collection on January 17 th, 2018, the preservation address is wuhan university in china, and the preservation number is CCTCC NO: C201832. The anti-Epinephelus akaara nervous necrosis virus medaka haploid embryonic stem cell G1 provides an experiment basis and a theoretical basis for further identifying host factors participating in virus infection, and provides a new way for genetic breeding of antiviral fishes.
Owner:SUN YAT SEN UNIV

Plant extract product used for removing formaldehyde, and preparation method thereof

The invention belongs to the technical field of formaldehyde removing, and discloses a plant extract product used for removing formaldehyde. The plant extract product used for removing formaldehyde iscomposed of, by weight, 1 to 3 parts of chrysanthemum flower extract product, 0.5 to 3 parts of aloe extract product, 20 to 40 parts of sweet potato leaf extract product, 0.5 to 2 parts of biologicalenzyme, 5 to 10 parts of an acidity conditioning agent, 1 to 5 parts of an adhesive agent, and 40 to 60 parts of deionized water. The invention also discloses a preparation method of the plant extract product used for removing formaldehyde. In the plant extract product used for removing formaldehyde, the chrysanthemum flower extract product and the sweet potato leaf extract product contain glucoside, polyphenol and / or flavonoid substances, the flavonoid substances possesses certain eliminating effect on formaldehyde; and in addition, physical adsorption effect of the adhesive agent and decomposition reaction of the biological enzyme are adopted to remove formaldehyde molecules in the air, air is purified, and the quality of air in doors is improved obviously.
Owner:湖北煜韩环境科技有限公司

Antioxidative composition and application thereof

The invention discloses an antioxidative composition and application thereof. The antioxidative composition comprises, by weight, 8.4-25.2 parts of propolis, 0.2-0.8 parts of lycopene, 0.2-0.5 parts of lutein and 0.1-6.5 parts of vitamin E. The propolis, the lycopene, the lutein and the vitamin E are different in antioxidative principle, can act jointly and comprehensive, are higher in synergistic effect and are used together to achieve the antioxidative effect jointly.
Owner:GUANGZHOU BAIYUSN HUTCHISON WHAMPOA CHINESE MEDICINE

Application of EGCG quinone as inhibitor for resisting release of AGEs in gastrointestinal tract

The invention relates to the technical field of application of EGCG quinone, and particularly relates to application of EGCG quinone as an inhibitor for resisting release of AGEs in the gastrointestinal tract. The EGCG quinone has the activity of resisting release of the AGEs in the gastrointestinal tract. The EGCG quinone is specifically capable of effectively inhibiting release of the AGEs in the gastrointestinal tract, and comprises a representative CML of fluorescent AGEs and non-fluorescent AGEs. The related mechanism comprises interaction between the EGCG quinone and glycosylated protein and digestive enzyme, and is capable of inhibiting the activity of the digestive enzyme and changing the conformation of the glycosylated protein. In addition, the EGCG quinone also has a considerable scavenging effect on the released AGEs. Therefore, the EGCG quinone has the potential to serve as the inhibitor for resisting release of the AGEs in the gastrointestinal tract, can serve as a functional food additive, is used for developing functional food for resisting release of the AGEs in the gastrointestinal tract, and has great market application value.
Owner:HUBEI UNIV OF TECH

Hand sanitizer

The invention belongs to the field of articles for daily life and in particular relates to a hand sanitizer. The hand sanitizer is prepared by taking sodium alginate as a film forming base material and chitosan as a raw material of a blended film; a molecular chain of the chitosan has primary amino and a molecular chain of the sodium alginate has carboxyl; under the action of an electrostatic force, a polyelectrolyte film can be formed through positive and negative charge attraction, so that one layer of protection film is formed on skin; by a low molecular weight plasticizer glycerol, a plasticizer molecule and a polymer have a mutual effect, so that a mutual action force between macromolecules is weakened and the hydrogen-bond interaction in the molecules is weakened; the ratio of a crystallization region to an amorphous region of the film is reduced and the water seepage steam penetration rate of the film is improved, so that the loss of moisture in the skin is prevented or alleviated and the wetting property of the skin is kept; rosemary essential oil is added and essential oil molecules exist in the film with a plurality of micro-pores; after active substances with a bacterium-inhibition effect in the essential oil molecules enter the film, the active substances are dispersed to the surface of the film gradually through the micro-pores, so that the antibacterial performance of the surface of the skin is improved.
Owner:袁玲燕

Antiscale agent for brine transportation pipeline and preparation method of antiscale agent

The invention provides an antiscale agent for a brine transportation pipeline. The antiscale agent is prepared from starch phosphate, sodium lignin sulfonate, gluconic acid-malic acid-sodium pyrophosphate telomere and purified water according to a certain proportion. When the antiscale agent is used by three domestic salt plants, it is proved that undissolved salt crystals can be effectively prevented from being produced by high-concentration Ca2+ and Mg2+ in original brine after the antiscale agent is added to the original brine conveyed by the pipeline, and therefore it is avoided that when scales are produced by Ca2+ and Mg2+ in the pipeline for conveying the original brine, brine is not smoothly conveyed by the pipeline, the brine conveying resistance is eliminated, the brine mobility is improved, the brine conveying efficiency is effectively improved, and energy consumption is lowered; after long-term use, the agent has a certain effect on cleaning away existing scales. Meanwhile, non-toxic and harmless food additives are selected as the raw material, the residual antiscale agent in finished salt only accounts for one thousandth of the permissible dose in food, and human health is not influenced after the antiscale agent is eaten.
Owner:甘肃格瑞科技实业有限公司

Preparation method of honey-stewed chicken leg

The invention discloses a preparation method of a honey-stewed chicken leg. The preparation method comprises the following steps of (1) cleaning the chicken leg, and soaking into soaking liquid with temperature of 60 to 70 DEG C for 50 to 70min; (2) injecting pickling liquid A into the soaked chicken leg, putting the chicken leg into a rolling drum, rolling, adding pickling liquid B of which the weight is equal to 0.1 to 0.2 time of the total weight of the chicken leg at the interval of 30min, rolling for 3 to 4h, and finishing; and (3) adding the rolled chicken leg into boiling liquid, boiling for 20 to 30min, cooling to room temperature, packaging under the vacuum condition, and sterilizing, so as to obtain a finished product. The honey-stewed chicken leg prepared by the preparation method has the advantages that the taste is delicious, the meat is tender and smooth, the meat of the chicken leg contains multiple health-care traditional Chinese medicine components, the rich nutrients are contained, and the immunity of a human body can be enhanced after eating the chicken leg for a long time.
Owner:陈昕懿

Plant salt containing sea salt and peppermint extract and preparation method thereof

The invention provides plant salt containing sea salt and a peppermint extract. The plant salt containing the sea salt and the peppermint extract comprises the components of sea salt containing plant salt and the peppermint extract; the plant salt containing the sea salt and the peppermint extract further comprises raw materials of salvia extracts, flos sophorae extracts, hericium polysaccharides and eucommia staminate flower extracts. The invention also provides a preparation method of the plant salt containing the sea salt and the peppermint extract. The preparation method is characterized by comprising a step of spraying, wherein the spraying speed is 5-7 m<3> / h. The plant salt containing the sea salt and the peppermint extract and being prepared by the invention has health care effects; the clearance rate of lipid oxygen free radicals by the plant salt containing the sea salt and the peppermint extract is 61%-65%, the clearance rate of nitro free radicals by the plant salt containing the sea salt and the peppermint extract is 51%-60%, the clearance rate of nitric oxide free radicals by the plant salt containing the sea salt and the peppermint extract is 95%-99%.
Owner:王胜

Acidic brasenia schreberi polysaccharide as well as separation and purification method and application thereof

PendingCN114249846AAntioxidant and antitumor application valueHigh purityOrganic active ingredientsAntinoxious agentsFucoseXylose
The invention relates to the field of polysaccharide separation and purification methods and application, in particular to an acidic brasenia schreberi polysaccharide and a separation and purification method and application thereof. The method comprises the following steps: firstly preparing crude polysaccharide, then deproteinizing, separating by adopting a DEAE-52 cellulose column to obtain the high-purity acidic brasenia schreberi polysaccharide BSP-5, and carrying out structure identification on the polysaccharide by virtue of methods such as infrared spectroscopic analysis, ultraviolet full-wavelength scanning, high performance liquid chromatography monosaccharide composition analysis, gel permeation chromatography molecular weight determination and the like. The results show that the polysaccharide is alpha-configuration pyranose with uniform properties, is composed of D-mannose, D-galactose, D-xylose and L-fucose in a molar ratio of 0.08: 1.39: 1: 0.23, is an acidic heteropolysaccharide, and has an average molecular weight of 119.5 KD. In-vitro anti-oxidation and anti-tumor experiment results show that the separated and purified acid brasenia schreberi polysaccharide has relatively strong anti-oxidation effect and anti-tumor biological activity.
Owner:CHANGZHOU UNIV

Ougan mandarin chewable tablet and preparation method thereof

The invention provides a preparation method of an ougan mandarin chewable tablet. The preparation method of the ougan mandarin chewable tablet comprises the following steps: 1, preparing ougan mandarin powder from the ougan mandarin, and passing through a sieve of 60 to 100 meshes for future use; 2, taking 500 parts by weight of sieved ougan mandarin powder, 120 parts by weight of white granulated sugar, 100 parts by weight of cyclodextrin, 120 parts by weight of sodium alginate, 50 parts by weight of magnesium stearate and 10 parts by weight of citric acid; 3, mixing the above materials uniformly, wetting by adding water, pelletizing by a pelletizer, drying the prepared wet particles timely by a drying box, and controlling the water content to be within 3 to 7 percent; and 4, tabletting by a tabletting machine, forming and packaging.
Owner:WENZHOU VOCATIONAL COLLEGE OF SCI & TECH

Angelica sinensis fermentation liquor with effects of resisting oxidation, resisting aging and regulating intestinal flora as well as preparation method and application thereof

ActiveCN113481243AHas antioxidant and anti-aging effectsReduce oxidation productsDigestive systemMicroorganism based processesBiotechnologyAngelica Sinensis Root
The invention belongs to the technical field of traditional Chinese medicine fermentation, and provides angelica sinensis fermentation liquor with the effects of resisting oxidation, resisting aging and regulating intestinal flora as well as a preparation method and application thereof. The preparation method comprises the following steps: soaking angelica sinensis in water, then decocting, filtering to collect the filtrate, adding water into filter residues, continuing decoction, filtering to collect the filtrate, combining the two filtrates, conducting concentration and centrifugation, and obtaining an angelica sinensis water extract; and fermenting the angelica sinensis water extract: mixing lactobacillus plantarum LZU-J-TSL6 and LZU-S-ZCJ, inoculating the mixture into the angelica sinensis water extract, and fermenting to obtain the angelica sinensis fermentation liquor. The angelica sinensis fermentation liquor obtained by the preparation method has the effects of resisting oxidation and aging, well scavenging free radicals and regulating the intestinal flora, and has a good health-care effect.
Owner:LANZHOU UNIVERSITY

Vegetable salt containing sea salt and nori extract as well as preparation method thereof

The invention provides vegetable salt containing sea salt and nori extract. The invention is characterized in that the vegetable salt containing the sea salt and the nori extract comprises the following ingredients: vegetable salt containing sea salt and nori extract. The vegetable salt containing the sea salt and the nori extract further comprises the following raw materials: mulberry leaf extract, lotus leaf extract, dried orange peel extract and eucommia ulmoides male-flower extract. The invention further provides a preparation method of the vegetable salt containing the sea salt and the nori extract. The preparation method comprises a step of preparing a brine-mineralizing filtering agent, wherein the brine-mineralizing filtering agent is prepared from the following raw materials in parts by weight: 50-52 parts of chlorella, 8-9 parts of beryl, 10-11 parts of lepidolite, 5-6 parts of medicinal stone 'maifanshi' and 18-20 parts of Fe3O4. The vegetable salt containing the sea salt and the nori extract prepared by the preparation method has healthcare effects.
Owner:王胜

A method for synergistic hypoeutectic casting Al-Si alloy modification and microalloying

ActiveCN107058776BOvercoming recession-prone featuresReduce porositySlagSilicon alloy
A synergistic method for metamorphism and microalloying of a hypoeutectic casting Al-Si alloy comprises: melting the hypoeutectic casting Al-Si alloy, adding a refining agent thereto for degassing and slag removal, adding rare earth elemental La, settling and maintaining at a certain temperature, further adding elemental Mg, settling and maintaining at a certain temperature, and finally casting at a certain temperature. By means of the metamorphizing action of La and Mg and the mutual promotion of metamorphism of these two elements, favorable metamorphism of the Al-Si alloy can be achieved. At the same time, La and Mg as microalloying elements can strengthen the Al-Si alloy, improving alloy performance. In addition, for an Al alloy melt, the method includes dehydrogenation and degassing, reducing oxide inclusion, and purifying the melt, thereby improving the alloy structure and enhancing the mechanical performance thereof.
Owner:JIANGSU HONGDE SPECIAL PARTS CO LTD +1

A kind of preparation method of plant polyprenol and its hydrogenated derivatives with antibacterial and antioxidative activity

The invention discloses a preparation method of plant polyprenol with bacteriostatic and antioxidant activity and a hydrogenated derivative thereof, which comprises the following steps of: taking gingko, pine needles and folium mori as raw materials, extracting a polyprenol lipid ointment through a non-polar solvent, including with a filler in urea alcohol solution, crystallizing, preparing a polyprenol type lipid urea inclusion compound and purifying polyprenol lipid through column chromatography; adding into 5-40 percent by weight of caustic soda solution for saponification reaction and preparing more than 95 percent by weight of polyprenol; adding a catalyst in methylene dichloride-methanol solution and ensuring that the mass ratio of the polyprenol to the catalyst is 80-200:1, the reaction pressure is 8-20 MPa, the reaction time is 18-48 hours, and the reaction temperature is 10-50 DEG C; and after reaction, filtering and concentrating under vacuum, wherein a concentrate is a polyprenol hydrogenated derivative. The polyprenol and the hydrogenated derivative thereof prepared by the method play roles in restraining staphylococcus aureus (Sa.), escherichia coli (Ec.), bacillus subtilis and salmonella and clearing superoxide free radicals and hydroxyl free radicals.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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