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963results about How to "Improve physiological activity" patented technology

Fruit and vegetable probiotic tablet and preparation method thereof

The present invention discloses a fruit and vegetable probiotic tablet and a preparation method thereof. The fruit and vegetable probiotic tablet uses probiotic powders such as lactobacillus plantarum powder as the main raw material, and the preparation method scientifically mixes modified dietary fibers, fruit and vegetable powder, oligosaccharides, plant extracts, protein powder, tea leaf extracts and traditional Chinese medicine extracts and etc., thus improves the content of soluble celluloses which are of real significance for probiotic flora, enhances the physiological activity of celluloses, thereby increases the species of intestinal probiotic flora as well as significantly enhances the colonization ability and time of endogenous and exogenous probiotics in the human intestinal tracts, effectively inhibits the growth and reproduction of harmful intestinal bacteria, especially gram-negative bacteria, and fully regulates the composition of the intestinal probiotic flora. The prepared fruit and vegetable probiotic tablet has a high biological activity, a long human intestinal colonization time, and a significant weight loss effect, and is suitable for a wide range of people.
Owner:南京旭优食品技术有限公司

Process for preparing food function factor gamma-amino-butyric acid

The present invention belongs to the field of food biotechnology and is especioally microbial conversion process of preparing gamma-amino butyric acid. Gamma-amino butyric acid is prepared with lactic acid bacteria or lactic acid bacteria and saccharomycete mixture as bacteria strain, sodium L-glutamate as converting substrate and through fermentating process with fermenting medium with carbon source, nitrogen source and inorganic salt. The selected lactic acid bacteria can growth well in MRS or PYG culture medium at 25-40 deg.c and may be used as culture seed liquid. Of the culture medium, the carbon source is glucose, and the nitrogen source may be one or several selected from corn paste, yeast paste, defatted peanut cake powder, etc. After fermentation, the concentration of gamma-aminoacid may reach as high as 300-500 ml / 100 ml.
Owner:JIANGNAN UNIV

Method for preparing chitin and its chitosan and chitosan oligosaccharide

The present invention relates to a method for preparing chitin and chitosan oligosac charide. The method comprises the steps that usual raw materials such as the crust of shrimp and crab, the insect crust or the fungal mycelia, etc. are micronized through the dry process or wet process; the carapace material of the obtained fine powder raw material is decalcified with the chemical process, and then is defatted and deproteinized with the method of micro-organism compound enzyme coarse enzyme liquid co-enzymolysis, and the insect and fungus fine powder thereof is directly defatted and deproteinized; a whole cell immobilizing bioreactor of a chitin deacetylase high-yield producing strain is prepared, to perform the circulatory deacetylation to the chitin and then obtain chitosan with corresponding degree of deacetylatoion; obligate anaerobic acid-producing bacterium and high-yield producing chitosan bacterium are utilized, the chitosan is submerged and fermented in the liquid, to obtain chitosan oligosaccharide with high water solubility. The present invention has the advantages that the method is helpful to fully utilize the resources, and makes the waste to the worth, at the same time, the default of the manufacturing process of the chemical process can be avoided, the production efficiency is improved, the energy is saved, the consumption is reduced, the byproduct with corresponding high value added can be produced, the comprehensive economic benefits of the relative secondary industry are obviously improved, the industrial development is promoted, and the multi-win effect is attained.
Owner:重庆百奥帝克微生态科技有限公司

Heavy metal resistance plant growth-promoting bacteria preparation and applying method thereof

The invention relates to heavy metal resistance plant growth-promoting bacteria and a preparation applying method thereof, which belongs to the bioremediation field of heavy metal polluted environment. A bacteria strain D54 with a preservation number of CGMCC No. 3223 belongs to the Burkholderia sp. and has higher resistance to a plurality of heavy metals, wherein the resistances to Pb <2+>, Cd <2+>, Cu <2+>, Zn <2+> respectively reach 800 mg / L, 1500 mg / L, 150 mg / L and 2500 mg / L. In addition, the bacteria strain D54 has the plant growth-promoting functions of producing plant growth hormone (IAA), producing 1-amino-1-carboxyl cyclopropane (ACC) deaminase, secreting siderophore, dissolving inorganic phosphate, fixing nitrogen and the like, has the biological prevention functions of antagonizing plant pathogenic bacteria inbreak and the like, and can obviously improve the biomass of the plants applied the invention and improve the resistance to diseases and stresses. The number of the effective viable bacteria in liquid preparation reaches 1-2 billion / ml and the number of the effective viable bacteria in solid preparation reaches 1 billion / g. Soaking seeds for 1-2 hours in the liquidpreparation which is diluted 100 times and irrigating the diluted liquid preparation 1-2 times (10ml / kg) after 2-3 weeks of the sprouting of the seeds can effectively improve plant viable bacteria infection probability.
Owner:AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI

Urea derivative useful as an anti-cancer agent and process for preparing same

InactiveUS20020019389A1Potent and effective anti-cancer activityLow toxicityBiocideOrganic chemistryAnticarcinogenBULK ACTIVE INGREDIENT
The present invention relates to a novel urea derivative represented by the following formula (I), which is useful as an anti-cancer agent: its pharmaceutically acceptable acid addition salt or stereoisomer, in which X, Y, B and Het have the meaning as defined in the specification, and to a process for preparing the compound of formula (I) and an anti-cancer composition comprising the compound of formula (I) as an active ingredient.
Owner:CHACONNE NSI

Manufacturing method of fermented black garlic

The invention relates to a manufacturing method of fermented black garlic, which is characterized in that the temperature and the humidity in a fermentation room are controlled, so that the endogenous enzyme of the garlic infiltrated in inoculation liquid is activated, and the internal natural fermentation process of the garlic is finished in the fermentation room. The fermented black garlic produced by the manufacturing method can be stored to the utmost extent, the physiological activity of the garlic is increased, and the garlic has good mouthfeel and no strong biting taste.
Owner:HENAN MOUSHAN BLACK GARLIC BIOLOGY ENG

Method for preparing dietary fiber through solid-gas explosion

The invention belongs to the technical field of preparation of dietary fibers, and particularly relates to a method for preparing the dietary fibers by using grain seed husks, such as corn husks and the like as raw materials and utilizing a solid-gas explosion technology, which comprises the following steps of: regulating the water content of the grain seed husks to 50-300 percent, and then placing into a sealed gas explosion device; raising the pressure of the gas explosion device to 0.4-1.2Mpa within 5-25 minutes, and retaining the pressure for 10-120 seconds and then instantaneously depressurizing; and adding water into the processed grain seed husks for extraction, removing the starch and the protein therein, modifying, separating and removing impurities to obtain the dietary fibers. The method has the advantages of simple operation, convenient and rapid extraction, abundant raw material sources and low production cost and can simultaneously obtain two types of high-quality corn-husk dietary fiber products with high purity and large yield, and both the yield and the physiological activity of the products are markedly improved.
Owner:河南省农科院农副产品加工研究所

Seaweed amino acid composite liquid manure and preparation method and application thereof

The invention discloses seaweed amino acid composite liquid manure and a preparation method and application thereof, and belongs to the field of manure industry. Preparation of the seaweed amino acid composite liquid manure comprises the following steps: (1) alginate is degraded: under the condition that catalysts and hydrogen peroxide exist, the alginate is degraded to alginic acid solutions; (2) amino acid is chelated for the first time: animal fur is added to mixed acid composed of hydrochloric acid, sulfuric acid and phosphoric acid for acidolysis, and chelation of the animal fur and neutralizer under the condition that a chelating agent exists is carried out to obtain amino acid solutions; and (3) secondary chelating is carried out: the alginic acid solutions and the amino acid solutions are mixed to react, and then humic acid salt, major elements and microelements are added for the secondary chelating, and finally manure synergist is added to obtain the seaweed amino acid composite liquid manure. The prepared seaweed amino acid composite liquid manure is easily absorbed by crops and strong in physiological activity, yield of the crops is increased, quality of the crops is improved, and damage of heavy metals to human is reduced.
Owner:湖南杜高生物科技有限公司

Specific binding protein and application thereof

The invention relates to a specific binding protein and an application thereof and particularly provides a monoclonal antibody which can be effectively bound with an epidermal growth factor receptor mutant III (EGFRv III) or partially bound with an epidermal growth factor receptor (EGFR) with overexpressed cells, but has no binding effect with an EGFR with normally expressed cells. In addition, the monoclonal antibody has obvious therapeutic effect on a tumor cell line which expresses the EGFRv III. The invention also provides a method for preparing the monoclonal antibody and a medical composition containing the monoclonal antibody.
Owner:SHANGHAI INST OF ONCOLOGY

Production method and application of low-rack coal degradation liquid

The invention relates to a production method of low-rack coal degradation liquid. Low-rack coal used as a raw material is added with 2-10% of mixed oxidizing agent, 0.1-0.6% of negative catalyst and 0.2-0.5% of stabilizer to oxidize and degrade the low-rank coal, and the mixture is subjected to oxidation reaction, centrifugalization, filtering and vacuum rotating evaporation to obtain colourless low-rack coal degradation liquid. The colourless low-rack coal degradation liquid used as a new product has good effects in promoting growth and development of crops, increasing crop output, improving the crop quality, improving the seed germination rate, improving the plant salt resistance and the like, and is a multi-functional crop conditioner (plant conditioner); the process is simple, energy-saving and environment-friendly, and high in efficiency; one set of equipment can produce the low-rack coal degradation liquid and fulvic acid simultaneously, and the low-rack coal degradation liquid is safe and non-toxic, has strong appetency to plants, can take effect rapidly and is convenient for use.
Owner:KUNMING UNIV OF SCI & TECH TECH IND SALES MANAGEMENT

Alprostadil freeze-dried emulsion for injection and preparation method thereof

The invention relates to an alprostadil freeze-dried emulsion for injection and a preparation method thereof. Cyclodextrin substances and polysaccharide substances are taken as freeze-drying protective agents, the high-stability alprostadil freeze-dried emulsion for injection is prepared, the chemical stability and physiological activity of the alprostadil are improved, the requirements on production, transport, and storage conditions are reduced, the period of validity is prolonged, untoward effects of local swelling and pain in the injection process are avoided simultaneously, and the patient compliance is improved in the process of clinical use.
Owner:YAOPHARMA CO LTD

Weight-losing probiotic tablets and preparation method thereof

The invention discloses weight-losing probiotic tablets and a preparation method thereof. According to the weight-losing probiotic tablets and the preparation method thereof, probiotic powder such as lactobacillus plantarum is taken as a main raw material, and modified dietary fibres, fruit and vegetable powder, oligosaccharides, plant extract, protein powder, tea leaf extract, Chinese herb extracts and the like are scientifically compounded, thus increasing the content of soluble celluloses with real significance in probiotic groups, and enhancing the physiological activity of the celluloses, and then remarkably improving the planting capacity and the planting time of endogenous and exogenous probiotics in human intestinal tracts, effectively suppressing the growth and the reproduction of intestinal harmful bacteria, in particular, Gram negative bacteria, and adequately regulating the composition of the intestinal probiotic groups while increasing the types of the intestinal probiotic groups; the prepared weight-losing probiotic tablets are high in bioactivity, long in planting time in the human intestinal tracts, remarkable in weight-losing effect, and wide in the range of appropriate crowds.
Owner:邵素英

Biogenic composite pork preservative

The invention relates to a biogenic composite pork preservative. The biogenic composite pork preservative comprises 4.0-4.8% of a bacterial depressant, 10-14% of a synergist, 27-33% of Chinese herbal medicine extract A, 16-20% of Chinese herbal medicine extract B and the balance water. The bacterial depressant contains nisin, natamycin, lysozyme, chitosan and propolis supercritical CO2 extract. The synergist contains acetic acid, vitamin C, vitamin E and sodium lactate. The Chinese herbal medicine extract A is prepared through extracting grape seeds, garlic, clove, cassia bark, rosemary, pepper and ginger through an ethanol extraction method and then blending the extract products, Origanum vulgare L. essential oil and tea crude extract. The Chinese herbal medicine extract B is prepared through water extraction of konjak, Chinese honeylocust fruits, rheum officinale and pomegranate peel. The biogenic composite pork preservative has a reasonable formula, is safe for eating, can be prepared by simple processes, is convenient for operation in use and has good fresh-keeping effects.
Owner:尹浩

Edible packaging film capable of indicating food rancidity and preparation method thereof

The invention discloses an edible packaging film capable of indicating food rancidity and a preparation method thereof, and belongs to the technical field of food package materials. The edible packaging film is prepared by mixing a lactalbumin solution and a natural anthocyanin extract under the condition of adding a plasticiser. The invention also discloses the preparation method of the pH color-changing type edible packaging film. The package disclosed by the invention is sensitive to the pH, can be used for displaying different colors with the change of the pH of an external environment, is red in an acid environment and blue in an alkaline environment and is changed in color with the change of the pH; The edible packaging film disclosed by the invention has the advantages of high safety, nutritional function if being eaten and sensitive pH color changing reaction; and the color of a packaging inner film is changed with an environment with a food when the edible packaging film as the package contacts with the food, so that whether the food is rancid or not is indicated according to different colors of the packaging film. The method disclosed by the invention is convenient and accurate.
Owner:CHINA AGRI UNIV

Composite edible fungi polysaccharides and preparation method thereof

The invention relates to composite edible fungi polysaccharides and a preparation method thereof. The preparation method comprises the following steps: selecting fruiting bodies of Lentinus edodes, Auricularia aurlcula, Ganoderma lucidum and Grifola frondosa as raw materials; weighing at a ratio of (1:2):(2:1), mixing, pulverizing, adding distilled water, homogeneously mixing, and sequentially performing microwave extraction and condensation reflux extraction; separating residues and liquid; adding residues into distilled water, and sequentially performing microwave extraction and condensation reflux extraction for 1-2 times; mixing extractive solutions, carrying out vacuum concentrating until the volume of the extractive solution is 1 / 3-1 / 4 of the original volume; and precipitating with alcohols, vacuum drying, and pulverizing to obtain composite edible fungi polysaccharides. The composite edible fungi polysaccharides provided by the invention have good physiological activity and complete efficacy, and has the functions of resisting viruses, reducing blood lipid, regulating immune system, resisting platelet aggregation, resisting tumor, protecting liver, resisting gene mutation and resisting acquired immunodeficiency syndrome (AIDS) and the like. The preparation method of the composite edible fungi polysaccharides has the advantages of high yield of polysaccharides, reasonable process, and high operability.
Owner:山东海普盾生物科技有限公司

Skin-care cleansing oil and preparation method thereof

The invention provides skin-care cleansing oil. The skin-care cleansing oil is prepared from components of raw materials in percentage by weight as follows: 20%-70% of grease, 5%-35% of lecithin, 5%-15% of alpha hydroxy acid, 3%-6% of geranium essential oil, 0.2%-0.4% of phytosterol, 0.05%-0.2% of bisabolol, 1%-5% of a moisturizing agent and 0.1%-0.6% of rosemary leaf extracts, and the sum of the components is 100%. On the premise of excellent cleansing capability, the skin-care cleansing oil as a whole has very excellent and powerful skin care efficacy of exfoliating, allergy resistance, oxidation resistance, moisture keeping, skin brightening, skin moistening, little irritation and the like through synergetic matching of the components and addition of a natural lecithin surfactant, alpha hydroxy acid, the geranium essential oil, bisabolol, phytosterol and other functional ingredients.
Owner:CANTON DAMEKISS DAILY CHEM FACTORY LIMITED

Multi-element and slow-released fertilizer

The invention relates to a long-acting multi-element fertilizer which is prepared by raw materials of urea, overbearing calcium phosphate or diammonium phosphate, ammonium diacid phosphate, agricultural potassium sulphate, potassium oxide or potassium chloride and fertilizer additives. The fertilizer is based on nitrogen, phosphorus and potassium, and has humate and yellow phosphorus furnace slag silicon fertilizer or iron slag silicon fertilizer as well as blended raw ore powder containing porphyraceous feldspar granite, medical stone, bentonite clay and lanthanide rare earth added thereto, wherein, the humate and the yellow phosphorus furnace slag silicon fertilizer or iron slag silicon fertilizer contain many active materials, the blended raw ore powder contains long-acting elements such as phosphorus, potassium, middle elements, trace elements, as well as beneficial elements including silicon, sodium, cobalt, selenium, nickel, titanium and iodine, etc. According to the field experiments, the long-acting multi-element fertilizer can supply all nutrient elements required by crops, thereby promoting the crop growth.
Owner:谢浩

Preparation method of high-activity purple sweet potato dietary fiber

The invention belongs to the field of functional food ingredient processing and comprehensive utilization of byproducts. The preparation method of high-activity purple sweet potato dietary fiber comprises the following steps: step 1, crudely smashing and filtering waste pigment production dregs of fresh purple sweet potatoes or dried waste pigment production dregs of purple sweet potatoes to obtain a material liquid; step 2, adding a phosphate buffer into the material liquid, regulating the pH of the material liquid to 6.0-6.5, and adding alpha-amylase; step 3, regulating the pH of a substance obtained in step 2 to 4.0-4.5 by using acetic acid, and adding saccharifying enzyme; step 4, regulating the pH of a substance obtained in step 3 to 7.0-7.5 by using sodium hydroxide, and adding neutral protease; step 5, centrifugally separating a substance obtained in step 4, treating liquid supernatant to obtain a soluble dietary fiber product in a first stage; step 6, treating a insoluble dietary fiber precipitate obtained in step 5; step 7, treating a substance obtained in step 6 to obtain a modified dietary fiber product in a second stage; and step 8, combining the soluble dietary fiber obtained in step 5 in the first stage with the modified dietary fiber obtained in step 7 in the second stage, and uniformly mixing the dietary fibers, so as to obtain a final product.
Owner:KUNMING MEDICAL UNIVERSITY

Antibacterial hydrocolloid dressing and preparation method thereof

ActiveCN104225663AStrong antibacterialAvoid Potential Biosafety RisksAbsorbent padsBandagesElastomerAntioxidant
The invention provides antibacterial hydrocolloid dressing and a preparation method thereof, and belongs to the technical field of medical dressing. The preparation method of the antibacterial hydrocolloid dressing is as follows: firstly, elastomers, tackifying resin, a plasticizer and an antioxidant are added into an internal mixer and mixed to prepare a hot-melt pressure-sensitive adhesive; hydrocolloid particles, polyvinyl alcohol, chitosan derivative and an antibacterial agent are added into the hot-melt pressure-sensitive adhesive and mixed; and the mixture is placed in a press vulcanizer for treatment, a waterproof polyurethane backing is coated with the treated mixture, release paper is covered, and a finished product is prepared after irradiation sterilization. The anti-bacterial hydrocolloid dressing prepared with the method has good antibacterial performance and has no safety risk; and the polyvinyl alcohol ingredient added in the preparation process is crosslinked during irradiation to form physical gel, the integrity of the dressing is effectively maintained, and the corrosion resistance of the dressing is improved.
Owner:HENAN HUIBO MEDICAL CO LTD

Orchard grass intercropping method

The invention relates to the technical field of agriculture, and provides an orchard grass intercropping method. The method comprises the following steps: zones are divided, wherein grass is planted between orchard lines, and straws are laid within a range of 0.5m from tree trunks; plowing is carried out, wherein an EM inoculant is spread to grass planting zone soil, and plowing is carried out after 20-30 days; seed soaking is carried out, wherein grass seeds are soaked with the EM inoculant for 4-12h, and are air-dried at a shaded and ventilated place; sowing is carried out, wherein a sprinkler irrigation treatment is carried out with a diluted composite bacterial fertilizer, and uniform sowing is carried out with a sowing amount of 12-15kg / Mu when the soil is moist; management is carried out, wherein watering is carried out after sowing, and sprinkler irrigation is carried out with a diluted EM inoculant when seedlings uniformly shoot; and maintenance is carried out, wherein a grass height is maintained at 10-20cm, and a mixture of trimmed-off grass and straws is laid within a range of a tree base. The method has water-retaining, fertilizer-retaining and drought-resisting functions. With the method, farm chemical is not applied, and the effect of green manure is good. Chemical fertilizer is saved, and disease degree can be reduced from the source. Soil salinization can be effectively ameliorated, and fruits can be green and organic.
Owner:北京百丰生物科技集团有限公司

Composite natural fresh-keeping agent for cold fresh meat and application of composite natural fresh-keeping agent

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.
Owner:宋晓燕

Water-soluble fertilizer containing chitin and humic acid and production method thereof

The invention discloses a water-soluble fertilizer containing chitin and humic acid and a production method thereof. The method is characterized by degrading chitin, a natural high polymer, and then mixing chitin with humic acid solution and nitrogen fertilizer to produce the water-soluble fertilizer containing chitin and humic acid. The produced water-soluble fertilizer contains 20-40g / l of chitin, 20-40g / l of nitrogen, 170-190g / l of humic acid and 1-5g / l of plant growth regulators. The method is simple, easy to operate and high in feasibility of implementation. The produced water-soluble fertilizer integrates the functions of nutrition supplement, bacteria immunity and virus immunity, improves soil conditions, prevents hardening, raises ground temperature, promotes prematurity, resists diseases and tolerates stress, resists continuous cropping and balances nutrition, and features stable status and lasting fertilizer efficiency.
Owner:山东润华联邦农业科技有限公司

Natural chilled fresh pork preservative and preparation method thereof

The invention belongs to the technical field of pork preservative technologies and relates to a natural chilled fresh pork preservative and a preparation method thereof. The natural chilled fresh pork preservative is characterized by being prepared from 4.4-5.2% of a bacteriostatic agent, 11-15% of a synergist, 30-35% of Chinese herbal medicine extract liquor and the balance water. The bacteriostatic agent proportionally comprises, by weight parts, nisin, natamycin, lysozyme, chitosan and propolis supercritical CO2 extract; the synergist proportionally comprises, by weight parts, acetic acid, vitamin C, vitamin E and sodium lactate; the Chinese herbal medicine extract liquor is made by adopting an ethanol extraction method for extracting, by weight parts, grape seeds, garlic, Flos Caryophylli, Cortex Cinnamomi, rosemary, pepper and ginger and compounding with oregano essential oil and crude tea extract liquor. The natural chilled fresh pork preservative has advantages of reasonable formulation, edible safety, simplicity of the preparation method, operational convenience in use and excellent preservative effects.
Owner:尹浩

Method for producing pulverized organic compound particle

The invention provides a method for producing pulverized particles of a crystalline organic compound which is poorly water soluble. Also disclosed is a pulverized organic compound particle produced by such a method. Specifically disclosed is a method for producing a poorly water-soluble organic compound particle for medical use, which is characterized in that a poorly water-soluble organic compound for medical use is mixed with a physiologically acceptable salt and a physiologically acceptable polyol, and subjected to wet milling. Also specifically disclosed is a poorly water-soluble organic compound particle for medical use, which is produced by such a production method.
Owner:活效制药股份有限公司

A production process of high activity cmaize peel food fibre and its products

The invention provides a production method of a high active corn bran dietary fiber and the product thereof, and belongs to the technology field of the agricultural product deep processing. The invention comprises that the corn bran raw material is mixed with the corn starch by proportion of 1:4 after being pulverized, and extrusion pressing and puffing are performed; enzymolysis is performed with high temperature-alpha-amylase, next, the high active corn bran dietary fiber is prepared through the enzymolysis with acid protease, through the centrifugal filtration, is molded by drying below 75 DEG C, and then the light yellow corn bran dietary fiber is produced. The invention technology can improve the microstructure and the composition of the corn bran dietary fiber, and the dissoluble dietary fiber content is improved by 10 to 40 percent; the component of starch as well as protein in the dietary fiber can be removed by using the technology of enzymatic hydrolysis, and the dietary fiber content can be up to 90 percent. The product corn bran dietary fiber with high purity and high activity meets the needs of the general consumers to the pure natural and high active dietary fiber food, and thereby, the product corn bran dietary fiber has a broad market development prospect.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Biological enzyme preparation method of natural brassinolide

The invention relates to a preparation method of a biological enzyme, particularly relates to a biological enzyme preparation method of natural brassinolide. The method includes: steps of inoculationfermentation, pressure filtration, ultrafiltration, emulsification, enzymolysis, extraction, pressure filtration, concentration, resin absorption, concentration crystallization, vacuum filtration, drying and packaging. The invention has advantages of simple process method, low energy consumption in production process, high product purity and environmental conservation.
Owner:CHENGDU NEWSUN CROPSCI

Probiotic liquid preparation based on double-emulsion structure and preparation method thereof

The invention discloses a probiotic liquid preparation based on a double-emulsion structure and a preparation method thereof. The method comprises the following steps that S1, a probiotic bacterium suspension, a thickener and an intestinal tract auxiliary release material (namely a material capable of assisting in the release of probiotics in an intestinal tract) are mixed, and induction is carried out with bivalent salt ions to form a gel-like inner water phase W1; S2, an oil-soluble emulsifier is dissolved in edible oil to form an oil phase O, and the oil phase O and the inner water phase W1are subjected to high-speed shearing and mixing so as to obtain a water-in-oil type primary emulsion W1 / O; and S3, a suspension of colloidal particles is served as an outer water phase W2, the outerwater phase W2 is added into the primary emulsion W1 / O, and intermediate-speed shearing and mixing are carried out so as to obtain the probiotic emulsion preparation based on the W1 / O / W2 type double-emulsion structure. According to the probiotic liquid preparation and the preparation method thereof, protective embedding is carried out on probiotics by adopting a Pickering double-emulsion system, so that the probiotic effect is fully guaranteed, meanwhile, the probiotics can be prevented from being damaged by oxygen and the environment of a gastrointestinal tract, and therefore the action of gastric acid and cholate can be resisted, in addition, colonization can be better carried out in the intestinal tract, and a wide application prospect is achieved.
Owner:SOUTH CHINA AGRI UNIV

Method for preparing chitin and its chitosan and chitosan oligosaccharide

The present invention relates to a method for preparing chitin and chitosan oligosac charide. The method comprises the steps that usual raw materials such as the crust of shrimp and crab, the insect crust or the fungal mycelia, etc. are micronized through the dry process or wet process; the carapace material of the obtained fine powder raw material is decalcified with the chemical process, and then is defatted and deproteinized with the method of micro-organism compound enzyme coarse enzyme liquid co-enzymolysis, and the insect and fungus fine powder thereof is directly defatted and deproteinized; a whole cell immobilizing bioreactor of a chitin deacetylase high-yield producing strain is prepared, to perform the circulatory deacetylation to the chitin and then obtain chitosan with corresponding degree of deacetylatoion; obligate anaerobic acid-producing bacterium and high-yield producing chitosan bacterium are utilized, the chitosan is submerged and fermented in the liquid, to obtain chitosan oligosaccharide with high water solubility. The present invention has the advantages that the method is helpful to fully utilize the resources, and makes the waste to the worth, at the same time, the default of the manufacturing process of the chemical process can be avoided, the production efficiency is improved, the energy is saved, the consumption is reduced, the byproduct with corresponding high value added can be produced, the comprehensive economic benefits of the relative secondary industry are obviously improved, the industrial development is promoted, and the multi-win effectis attained.
Owner:重庆百奥帝克微生态科技有限公司

Method for preparing solid-state calcium magnesium titanium iron sulfur nitrogen silicon composite fertilizer by using water to quench titanium-containing blast furnace slag

The invention belongs to a method for producing plant fertilizers, more particularly to a method for producing a solid-state Ca / Mg / Ti / Fe / S / N / Si compound fertilizer from water-quenched blast furnace slag. The invention is characterized in that: the raw materials include titanium oxide-containing water-quenched blast furnace slag, ammonium sulfate, ammonium hydrogen sulfate, ammonium pyrosulfate and ammonium persulfate; the method comprises the following steps: ball-milling Ti-containing water-quenched blast furnace slag to obtain powder of particle size of 60-160 micrometers, mixing the furnace slag powder with 3-20 times of one substance selected from ammonium sulfate, ammonium hydrogen sulfate, ammonium pyrosulfate, ammonium persulfate, or a mixture thereof, heating the resulting mixture up to 200-500 DEG C and maintaining the temperature for 10-65 min, and crushing clinkers to small pieces of 4-12 mm diameter. The invention utilizes Ti-containing water-quenched blast furnace slag and other raw materials to produce plant fertilizers, and thereby realizes environmental protection, Ti resource utilization and nutrient supplementation to plants.
Owner:NORTHEASTERN UNIV

Immobilized biological additive and its preparation method and uses

Disclosed is a cigarette use biological addition agent and use thereof, wherein the biological enzyme comprises degraded proteinase, amylase, pectic enzyme, polysaccharide degraded enzyme, cellulose, surface active agent, enzyme activating agent, wall material, emulsifying agent, and cushioning liquid. The preparing process comprises the steps of agitating, immobilizing, and utilizing addition agent.
Owner:YUNNAN REASCEND TOBACCO TECH GRP
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