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35results about How to "Product Safety" patented technology

Neutral liquid high calcium milk and preparation method thereof

The invention provides product compositions and a preparation method of neutral liquid high calcium milk. Every 100 weight portions of the neutral liquid high calcium milk comprises the following compositions in portion by weight: 97.50 to 99.05 portions of milk, 0.40 to 0.80 portion of milk calcium, 0.10 to 0.50 portion of hydrolyzed collagen, 0.05 to 0.30 portion of casein phosphopeptides (CPP), 0.20 to 0.60 portion of stabilizing agent and 0.10 to 1.00 portion of dietary fiber. The neutral liquid high calcium milk has high safety and nutrition, good taste, high calcium content and balanced calcium-phosphor proportion, and is easy to be digested and absorbed by human body; moreover, the high calcium milk can meet the requirements of consumers of different age groups on calcium supplementation and is favorable for strengthening bone and articular cartilage.
Owner:INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD

Method for assisted synthesis of molecular sieve by means of ultraviolet radiation

The invention relates to a method for assisted synthesis of a molecular sieve by means of ultraviolet radiation, which belongs to the technical field of synthesis of the molecular sieve. The method comprises the steps of measuring a silicon source, an aluminum source and other reactants, transferring the silicon source, the aluminum source and other reactants into a quartz container, carrying out the crystallization reaction at a given reaction temperature by means of ultraviolet radiation (power density of 20 to 80 w / m<2>), washing and drying a crystallization product, and obtaining an A-type, X-type, N-type, Silicalite-1-type, Beta-type, Y-type, ZSM-5-type, MOR-type or SAPO-34-type molecular sieve. By adopting the method, the silicon-aluminum molecular sieve with good crystallization can be rapidly obtained, compared with the traditional method, the alkality and temperature of the reactant can be reduced to a certain extent, and the synthesis process of the molecular sieve can be accelerated. The production cost is greatly reduced, and the industrial application prospect is promising.
Owner:JILIN UNIV

Cultivating device for sprouting vegetables

InactiveCN105052720AMeet the environmental requirements for growthPromote growthAgriculture gas emission reductionCultivating equipmentsEngineeringVegetable Product
The invention discloses a cultivating device for sprouting vegetables. The cultivating device comprises a box, an illumination adjusting system, a temperature adjusting system, a humidity adjusting system and a ventilating system. The box is a lightproof cabinet box. A box door matched with the box can adjust the light transmittance. A partition plate in the illumination adjusting system divides an inner cavity of the box into multiple layers of sprouting vegetable growth spaces. A cold air outlet in the temperature adjusting system is arranged in the box. Multiple heating systems are arranged in multiple regions and correspond to the different growth spaces, and electric heating pieces in the heating systems are arranged on the surface of the box and in the box respectively. A water tank of a water spraying system in the humidity adjusting system is arranged in the box, and spray nozzles are arranged at the top of each layer of growth space. An ultrasonic atomizer in the humidity adjusting system is arranged in the water tank. The cultivating device can meet the requirements of the environment needed for sprouting vegetable growth and is easy and convenient to operate; different sprouting vegetables can be planted at the same time, the growth vigor of sprouts is excellent, and sprouting vegetable products are safe and healthy.
Owner:桂林国宏裕民科技有限公司

Long-acting water-based metal rust inhibitor

The invention relates to a long-acting water-based metal rust inhibitor which consists of phytic acid, ethanolamine, boric class and acid amide; the raw material is non-toxic, harmless, and does not pollute environment; and the rust inhibitor is characterized by long antirust cycle, good stability, no delamination, and no precipitation.
Owner:CHANGCHUN XINXING INST OF FINE CHEM

Cabinet type sprouting vegetable cultivation apparatus

The present invention discloses a cabinet type sprouting vegetable cultivation apparatus whichcomprises a case body as well as an illumination adjusting system, a temperature adjusting system, a humidity adjusting system, and a ventilation system, wherein the case body is a opaque cabinet case body; and a case door which is matched with the case body is a case door with adjustable transmittance; partition plates in the illumination adjusting system divide the inner cavity of the case body into a plurality of layers of sprouting vegetable growth spaces; a cold air outlet in the temperature adjusting system is arranged inside the case body; a heating system is provided with a subarea multi-block arrangement that corresponds to different growth spaces, and electrical heating sheets in the heating system are provided respectively on the surface and inner portion of the case body; a water tank of a water spray system in the humidity adjusting system is arranged in the case body, and a spray nozzle is arranged at the top portion of each growth space; and an ultrasonic atomizer in the humidity adjusting system is arranged in the water tank. The cultivation device can meet the environmental requirements for growth of sprouting vegetables, is simple and convenient in operation, and is capable of planting different sprouting vegetables at the same time; and growth vigor of the sprouting vegetables is extremely good, and the sprouting vegetable product is safe and health.
Owner:桂林国宏裕民科技有限公司

Application of food-grade microorganism in degradation of zearalenone

The invention relates to application of a food-grade microorganism in degradation of zearalenone. Probiotics is any one or more of bacillus subtilis 168, lactic acid bacteria NYC30, lactic acid bacteria Dins 37, acetobacter aceti sp and bacillus natto CICC24640; further, the probiotics is preferably the bacillus subtilis 168 and bacillus natto CICC24640. The application has the advantages that the food-grade probiotics strain is adopted and used for degrading fungaltoxin zearalenone, so that the degradation period is short, the degradation efficiency is high, the product is safe, obvious advantages are brought for the safety of foods for people and livestock, and a new way is provided for the degradation of zearalenone.
Owner:JIANGNAN UNIV

Control system of cultivating device for sprouting vegetables

The invention discloses a control system of a cultivating device for sprouting vegetables. The control system comprises an information processing system. The information processing system comprises a central processing module and a data acquisition module connected with the central processing module. The data acquisition module is connected with a sensor. The central processing module is connected with an instruction output module. The instruction output module is connected with an illumination adjusting system, a temperature adjusting system, a humidity adjusting system and a ventilating system. The data acquisition module is connected with the sensor, and the instruction output module is connected with electronic control dimming glass and a plant growth lamp. The instruction output module is connected with a refrigerating system and an electric heating piece. The instruction output module is connected with an ultrasonic atomizer, electromagnetic valves for controlling nozzles in all layers of growth spaces and a liquid level sensor. The instruction output module is connected with an exhaust fan. The cultivating device with the control system can meet the requirements of the environment needed for sprouting vegetable growth and is easy and convenient to operate; different sprouting vegetables can be planted at the same time, the growth vigor of sprouts is excellent, and sprouting vegetable products are safe and healthy.
Owner:桂林国宏裕民科技有限公司

Rustproof corrosion inhibitor and preparation method and application thereof

The invention relates to the technical field of metal corrosion prevention, in particular to a rustproof corrosion inhibitor and a preparation method and application thereof. The rustproof corrosion inhibitor is mainly prepared from, by weight, 1-10 parts of phytic acid, 60-85 parts of water, 0.1-1 part of acrylamide, 0.05-0.3 part of glutamic acid, 1-5 parts of sodium benzoate, 5-15 parts of triethanolamine, 1-5 parts of ethanolamine, 0.1-1 part of disodium hydrogen phosphate, 5-15 parts of sodium molybdate, 0.2-2 parts of a complexing agent, 0.5-3 parts of a film forming agent and 0.1-1 part of a defoaming agent. According to the rustproof corrosion inhibitor and the preparation method and application thereof, the corrosion speed of metal materials can be effectively decreased, and the corrosion resistance and the rust prevention property are good; and the rustproof corrosion inhibitor is particularly suitable for corrosion prevention and rust prevention of steel metal materials washed by ultrahigh-pressure water jet flow, and the problem that after ultrahigh-pressure water jet flow cleaning is conducted during maintenance, naval ships are prone to corrosion before coating can be effectively solved.
Owner:ACADEMY OF ARMORED FORCES ENG PLA +1

Alkali-free accelerating agent and preparation method and application thereof

The invention relates to an alkali-free accelerating agent and a preparation method and application thereof. The alkali-free accelerating agent comprises the following components in parts by weight: 30 to 65 parts of aluminum sulfate, 2 to 10 parts of organic amine, 3 to 10 parts of catalyst A, 1 to 3 parts of catalyst B, 3 to 6 parts of an auxiliary agent and 25 to 50 parts of water; the catalystA comprises a salt compound containing a phosphoric acid group and aluminum ions; and the catalyst B comprises a compound containing a carboxyl group and a hydroxyl group. Two different types of catalysts are introduced into an aluminum sulfate-organic amine reaction system, the two catalysts act synergistically, so that the complexation reaction of aluminum sulfate and organic amine is more complete, strong acids such as hydrofluoric acid and the like do not need to be added, the dosage of the alkali-free accelerating agent can be reduced, the faster solidification rate is ensured, the one-day strength is higher, and the product is safe and reliable.
Owner:GUANGZHOU KRYSTIC BUILDING MATERIALS CO LTD

Tobacco aroma enhancing and moisture retaining agent and preparation method and application thereof

ActiveCN106281679AImprove moisturizing effectProduct SafetyTobacco preparationEssential-oils/perfumesIonEmulsion
The invention discloses a novel tobacco moisture retaining and aroma enhancing agent. The agent is prepared from, by weight, 5-10 parts of phenolic acid compound, 0.5-2 parts of carotenoid, 5-12 parts of emulgator, 30-50 parts of polyhydric alcohol, 0.1-0.5 part of antioxidant and 30-55 parts of deionized water. The invention further discloses a preparation method and application of the tobacco moisture retaining and aroma enhancing agent. The novel tobacco moisture retaining and aroma enhancing agent is prepared in the mode that the raw materials are mixed, and then the mixture is treated through an emulsification process, the product is in the form of emulsion, and is safe and effective, films can be effectively formed on the surfaces of tobacco, moisture retaining performance is improved, the original fragrance of the tobacco is kept, and the tobacco moisture retaining and aroma enhancing agent is brand new.
Owner:CHINA TOBACCO YUNNAN IND

New technology for processing crystal silk noodles and crystal silk noodles

InactiveCN102919913AProduct SafetyDoes not cause health concernsFood preparationFood additiveTurbidity
The invention belongs to the field of food processing, and relates to a new technology for processing crystal silk noodles and the crystal silk noodles. According to the new technology, the crystal silk noodles are processed by taking mung beans, potatoes and sweet potatoes as raw materials through processes of mixing, mashing starch, vacuumizing, steaming starch slurry, naturally cooling, refrigerating, shredding, drying and the like. The crystal silk noodles have the characteristics of glitter and translucence, no drawing, smoothness and tenacity, cooking resistance, no turbidity and the like; food additives such as alum, edible gel, compound emulsifiers and the like which are frequently used in the current production of the silk noodles are not added in the production process; the crystal silk noodles are prepared by innovation (evacuation treatment) in key technologies and key processes; and the new technology belongs to a technology for processing pure green foods; and the crystal silk noodles are safe and reliable.
Owner:NANJING AGRICULTURAL UNIVERSITY

Method for factory sterilized raw material cultivation of organic agaricus brasiliensis

The invention relates to a method for factory sterilized raw material cultivation of organic agaricus brasiliensis, and belongs to the technical field of edible fungi. The method includes the following steps: preparing a medium, filling a ventilating fungus sack with the medium, carrying out high temperature autoclaving, and cooling the medium; inoculating agaricus brasiliensis strains of a cultivated species on the cooled cultivation sack by using an automatic inoculation machine in an aseptic inoculation room, and automatically sealing the cultivation sack by using a sealing machine; carrying out cultivation, laying 2-3 centimeters of soil for covering, letting mycelia climb up the soil layer, accelerating germination, carrying out fruiting management, and finally carrying out harvestingand secondary fruiting management after the harvesting. The yield of the agaricus brasiliensis per square meter is increased from 2-3.5 kg to 5-6 kg by optimizing a medium formula, a cultivation process, cultivation technologies and the like of the agaricus brasiliensis. The production process of the agaricus brasiliensis can completely satisfy the factory production, and can produce organic, safe, pesticide-free, mercury-free and cadmium-free agaricus brasiliensis products at the same time to provide safe and nutritive healthy food for mankind.
Owner:BEIJING IEDA PROTECTED HORTICULTURE

Method for enzyme hydrolysis of soybean isoflavone for producing genistein and daidzin aglycon

This invention provides the method of producing genistein and daidzein by enzymatic hydrolysis of soybean isoflovone. It uses the soybean isoflovone with different purity as raw material, and hydrolyse it with Trichoderma beta- glucosidase or bean beta- glucosidase. Then solvent extraction, ultrafiltration and freeze centrifugal isolation and purification are performed to get genistein and daidzein. This invention can use hydrolysis material with different purity. The enzyme used can be purchased directly or prepared by yourself. The buffer solution can recycle. It is easy to operate and with relatively high transformation rate (>85%). The total content of soybean isoflovone daidzein is high. By using the extracted bean beta- glucosidase from soybean came from northeast region of china, the problem of poor edible security with enzyme generated by microbiological fermenting method can be resolved. This invention is suitable for the industralization production because the low cost with commercial enzyme.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Injectio of troxetutin and proxyphylline and its preparing process

The invention provides a Troxerutin and Diprophylline injection, transfusion, freeze-dried powder, asepsis powder for injection and its preparation, which is prepared from Troxerutin, diprophylline, and coumarin by the proportion ratio of 1-99 : 99-1, and can be used for treating diseases of ischemia cerebrovascular and brain artery hardening.
Owner:崔晓廷

Manufacture method for sugar and vinegar preserved egg drink

The present invention belongs to the technical field of drink convenient food processing and discloses a manufacture method for sugar and vinegar preserved egg drink. The manufacture method comprisesthe following steps: preserved eggs are aged; the aged preserved eggs are mashed; the mashed preserved eggs are enzymatically treated to obtain an enzymatic hydrolysate; the enzymatic hydrolysate is rinsed and suction-filtered to obtain a filtrate; the filtrate is boiled; the boiled filtrate is thoroughly mixed to obtain a mixed solution; wherein the ratios of the boiled materials are as follows:500-1,000 parts of purified water, 100-200 parts of a filtrate, 10-20 parts of brown sugar, 20-40 parts of apple raw vinegar, 1-2 parts of citric acid, 0.5-1 part of sodium carboxymethyl cellulose, and 1-2 parts of acetyl distarch phosphate; the mixture obtained by the boiling is filtered to obtain soup materials; and the soup materials are filled and sterilized. The processing method enables thedrink to be stored at room temperature and highly reliable in flavor quality and safety.
Owner:JIANGHAN UNIVERSITY

Compound health tea and preparation method thereof

The invention discloses compound health tea. The compound health tea is prepared from the following raw materials: whole pueraria powder, whole lotus powder, lotus leaf extractive juice, cassia seed, fructus cannabis and bitter buckwheat flour. The preparation method comprises the following steps: a, preparing the raw materials; b, mixing: uniformly mixing the whole pueraria powder, the whole lotus powder, the bitter buckwheat flour and the cassia seed, adding fired fructus cannabis into the raw materials, uniformly mixing the raw materials, adding the lotus leaf extractive juice, and performing uniform wet mixing; c, pelletization; d, drying; e, frying: adding the dried particles into frying equipment to be fried; f, sieving, so as to obtain a uniform compound health care tea finished product. The compound health tea takes medicinal and edible raw materials such as the whole lotus powder, the whole pueraria powder, the bitter buckwheat flour and the lotus leaf powder as main raw materials which are supplemented by the cassia seed, the fructus cannabis and the lotus leaf extractive juice, scientifically and reasonably collocates the raw materials through different properties and nutrition ingredients of the raw materials according to a Chinese medicine compatible theory of monarch and minister and assistant and guide, enables all the components to achieve synergistic effect, and becomes health food applicable to of crowds of hypertension, hyperlipidemia and hyperglycemia.
Owner:YUNNAN GERMAN SPRING GREEN FOOD CO LTD

Natural sodium lignosulfonate water reducing agent for buildings

The invention belongs to the field of building materials, and provides a natural sodium lignosulfonate water reducing agent for buildings. The water reducing agent is prepared from the following raw materials in parts by weight: 20-30 parts of natural extracted lignin, 1-5 parts of sulfur, 15-25 parts of a 15% sodium hydroxide solution, 1-5 parts of 98% concentrated sulfuric acid, 5-10 parts of formaldehyde, 1-5 parts of casein and 1-5 parts of tricyclic aromatic hydrocarbons. Use of sulfide is reduced, and discharge of sulfide waste and environmental pollution are reduced; natural lignin is adopted as the main raw material, and a product is safe and stable in performance; prepared concrete has excellent workability, and is free of segregation and bleeding and uniform in appearance color.
Owner:钟建军

A cabinet type sprout vegetable cultivation device

The present invention discloses a cabinet type sprouting vegetable cultivation apparatus whichcomprises a case body as well as an illumination adjusting system, a temperature adjusting system, a humidity adjusting system, and a ventilation system, wherein the case body is a opaque cabinet case body; and a case door which is matched with the case body is a case door with adjustable transmittance; partition plates in the illumination adjusting system divide the inner cavity of the case body into a plurality of layers of sprouting vegetable growth spaces; a cold air outlet in the temperature adjusting system is arranged inside the case body; a heating system is provided with a subarea multi-block arrangement that corresponds to different growth spaces, and electrical heating sheets in the heating system are provided respectively on the surface and inner portion of the case body; a water tank of a water spray system in the humidity adjusting system is arranged in the case body, and a spray nozzle is arranged at the top portion of each growth space; and an ultrasonic atomizer in the humidity adjusting system is arranged in the water tank. The cultivation device can meet the environmental requirements for growth of sprouting vegetables, is simple and convenient in operation, and is capable of planting different sprouting vegetables at the same time; and growth vigor of the sprouting vegetables is extremely good, and the sprouting vegetable product is safe and health.
Owner:桂林国宏裕民科技有限公司

A kind of gun alloy copper remover and preparation method

ActiveCN111363950BImprove solubilityMeet the thermodynamic requirements for copper removalWeapon cleaningCartridge ammunitionIndiumMetal alloy
The invention belongs to the technical field of alloy copper-removing agents, and in particular relates to a novel alloy copper-removing agent for guns and a preparation method. The invention heats the prepared lead, indium and bismuth metals, fully stirs and mixes them, and then keeps them warm; after natural cooling, repeats the heating three times to ensure that the metals are fully mixed; the cooled metal alloy block is made into powder by rotating electrode atomization method , which is the alloy copper removal agent. In the present invention, by adding three alloys of indium, lead and bismuth, when the projectile is launched, under the action of high temperature and high pressure of the propellant gas, the alloy melts and reacts with the residual copper in the barrel to form an intermetallic compound, and then under the action of the propellant gas, the residual copper is to remove.
Owner:ZHONGBEI UNIV

Selenium-enriched orange peel probiotics product

InactiveCN109169898AProduct SafetyInhibits the growth of yeastMilk preparationFood ingredientsBakers YeastSelenium
The invention provides a preparation process of a selenium-enriched orange peel probiotics product. The preparation process comprises the specific steps of adding soybean meal cakes into orange peelsfor crushing, adding flour, adding water, adding a saccharifying enzyme to carry out saccharification for 3-5 hours, then adding sodium selenite and zinc oxide powder, inoculating baker yeast after high-temperature sterilization, carrying out aerobic fermentation, and carrying out centrifugalization to obtain a supernate and a precipitate; adding water into the precipitate, then adding neutral protease and calcium chloride, thermally insulating at 30-40 DEG C for 2-4 hours, then adding crushed mulberry powder, stirring the mixture for 30-60 minutes, and filtering the mixture to obtain a filtrate I and pomace I, adding all supernate after high-temperature sterilization of the pomace I, and carrying out aerobic fermentation at 25-30 DEG C for 24-48 hours, and filtering the mixture to obtaina filtrate II; and after high-temperature sterilization of fresh milk, adding lactic acid bacteria and bifidobacteria for fermentation for 24-48 hours, mixing and stirring the mixture with the filtrate I at 10-15 DEG C for 3-6 hours, then adding the filtrate II, and uniformly mixing the mixture and storing the mixture at 0-5 DEG C.
Owner:HUNAN AGRICULTURAL UNIV

Manufacturing method of alum-free pastry product

The invention relates to a manufacturing method of an alum-free pastry product. The method comprises the following steps: firstly uniformly mixing 500-1000 parts of flour, 15-30 parts of sugar, with 5-15 parts of salt so as to obtain a mixed raw material; adding 150-250 parts of water to 200-300 parts of beer so as to prepare a beer liquid; then mixing 50-60% of the beer liquid with 1-3% of baking soda and 2-5% of baking powder so as to prepare a leavening agent, slowly adding the leavening agent to the mixed raw material with stirring, and after uniform stirring, kneading the stirred mixture into a dough by hands; conducting twice standing, and conducting fully uniform kneading so as to obtain a standby dough; and rolling the standby dough into a strip, cutting the strip into small pieces of dough, superposing two pieces of dough or twisting the two pieces into hemp rope-shape products, putting the obtained products to a pot, controlling a temperature of oil in the pot at 150-210 DEG C, constantly turning over the products with chopsticks, fishing out the products until the products are golden yellow, and draining oil. The method mixes the beer with the water to prepare the beer liquid, and mixes the baking soda with the baking powder to prepare the leavening agent. The method has low costs and a good bulking effect. Finished products are safer, and harmless to health.
Owner:JIUQUAN VOCATIONAL & TECHN COLLEGE

Preparation method and application of aflatoxin detoxification agent

The invention belongs to the field of grain and oil deep processing, and particularly relates to a preparation method and application of an aflatoxin detoxification agent. The preparation method comprises the following steps: obtaining montmorillonite suspension; obtaining an acidic turbid liquid of montmorillonite; adding histidine, mixing, centrifuging, and collecting a second precipitate; washing until chloride ions are not contained, and collecting washing precipitates; and freezing and drying to obtain the aflatoxin detoxification agent. According to the aspergillus flavus detoxification agent, non-toxic and renewable histidine is used as a modifier and a processing aid montmorillonite raw material, montmorillonite is modified in an acid environment, freeze drying treatment is combined to prepare the detoxification agent, the process is simple, the product is safe, and the detoxification effect is good. The aflatoxin removal effect of the detoxification agent is superior to that of the raw material montmorillonite, the aflatoxin removal rate is at least improved by 13% compared with that of the raw material montmorillonite, and the detoxification agent is suitable for removing aflatoxin from most edible oil.
Owner:WUHAN POLYTECHNIC UNIVERSITY

A preparation method of schizochytrid peptide chelated calcium with antioxidant activity

The present invention provides a preparation method of Schizochytrium peptide chelated calcium with antioxidant activity, comprising the following steps: (1) ultrasonic-assisted cellulase and amylase hydrolysis; (2) compound hydrolysis of three kinds of proteases; ( 3) Separation by ultrafiltration; (4) Ultrasound-assisted chelation of peptides and calcium ions to prepare Schizochytrium peptide chelated calcium with antioxidant activity. The preparation method of the Schizochytrium peptide chelated calcium with antioxidant activity is simple in process and can be applied in large-scale actual production. The remaining algae residue after oil extraction from Schizochytrium is used as raw material, which improves the resource utilization of Schizochytrium rate; the schizochytrid peptide chelated calcium prepared by the method of the present invention has dual biological activities of anti-oxidation and promotion of calcium ion absorption.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

A device for cultivating sprouts

InactiveCN105052720BMeet the environmental requirements for growthPromote growthAgriculture gas emission reductionCultivating equipmentsEngineeringVegetable Product
The invention discloses a cultivating device for sprouting vegetables. The cultivating device comprises a box, an illumination adjusting system, a temperature adjusting system, a humidity adjusting system and a ventilating system. The box is a lightproof cabinet box. A box door matched with the box can adjust the light transmittance. A partition plate in the illumination adjusting system divides an inner cavity of the box into multiple layers of sprouting vegetable growth spaces. A cold air outlet in the temperature adjusting system is arranged in the box. Multiple heating systems are arranged in multiple regions and correspond to the different growth spaces, and electric heating pieces in the heating systems are arranged on the surface of the box and in the box respectively. A water tank of a water spraying system in the humidity adjusting system is arranged in the box, and spray nozzles are arranged at the top of each layer of growth space. An ultrasonic atomizer in the humidity adjusting system is arranged in the water tank. The cultivating device can meet the requirements of the environment needed for sprouting vegetable growth and is easy and convenient to operate; different sprouting vegetables can be planted at the same time, the growth vigor of sprouts is excellent, and sprouting vegetable products are safe and healthy.
Owner:桂林国宏裕民科技有限公司

Plant extraction and purification process

The invention discloses a plant extraction and purification process, and relates to the technical field of plant extraction. The extraction and purification process comprises the following steps: cleaning, drying and crushing a to-be-extracted plant, adding a 50-70% ethanol solution, carrying out alcohol extraction to obtain an alcohol extracting solution, feeding the alcohol extracting solution into a macroporous resin column, after adsorption is completed, washing with deionized water with the volume 1-2 times that of the column to remove impurities, eluting with a 60-70% ethanol solution, collecting eluent, concentrating under reduced pressure to obtain extract with the relative density of 1.10-1.15, adding ethanol into the obtained extract, stirring, fully dissolving, standing, filtering, collecting filtrate to obtain purified extracting solution, and filtering the purified extracting solution with an ultrafiltration membrane to obtain a refined extracting solution. The plant extraction and purification process can effectively separate impurities in an extracting solution so as to improve the purity of active ingredients, and does not use any organic solvent in the whole extraction process, so that the product is safer and more environment-friendly.
Owner:ZHEJIANG JIANFENG HEALTH TECH

Environmentally friendly biological water-based antirust fluid

The invention discloses an environment-friendly biological water-base antirust solution which is prepared by the following steps: respectively pulverizing fresh camphor tree leaves and fresh pine tree leaves to obtain a pulverized camphor tree leaf material and a pulverized pine tree leaf material, mixing in a mass ratio of 1:6, adding 6-8 times by mass of water into the mixture of the pulverized camphor tree leaf material and pulverized pine tree leaf material, decocting for 3 hours, and filtering to obtain a solution A; pulverizing orange peel and pomelo peel, mixing in a mass ratio of 1:1, adding an acetic acid-sodium acetate buffer solution, adding an enzyme Accellerase 1500, carrying out fermentation hydrolysis at 60-70 DEG C in a seal state for 72 hours, and filtering to obtain a solution B; mixing the solution A and solution B in a mass ratio of 2:1, adding a certain proportion of triethanolamine to perform sterilization treatment, and conditioning to obtain the environment-friendly biological water-base antirust solution.
Owner:HUNAN JINHUA SCI & TECH GRP

A control system for sprout vegetable cultivation device

The invention discloses a control system of a cultivating device for sprouting vegetables. The control system comprises an information processing system. The information processing system comprises a central processing module and a data acquisition module connected with the central processing module. The data acquisition module is connected with a sensor. The central processing module is connected with an instruction output module. The instruction output module is connected with an illumination adjusting system, a temperature adjusting system, a humidity adjusting system and a ventilating system. The data acquisition module is connected with the sensor, and the instruction output module is connected with electronic control dimming glass and a plant growth lamp. The instruction output module is connected with a refrigerating system and an electric heating piece. The instruction output module is connected with an ultrasonic atomizer, electromagnetic valves for controlling nozzles in all layers of growth spaces and a liquid level sensor. The instruction output module is connected with an exhaust fan. The cultivating device with the control system can meet the requirements of the environment needed for sprouting vegetable growth and is easy and convenient to operate; different sprouting vegetables can be planted at the same time, the growth vigor of sprouts is excellent, and sprouting vegetable products are safe and healthy.
Owner:桂林国宏裕民科技有限公司

A method for assisted synthesis of molecular sieves by ultraviolet radiation

The invention relates to a method for assisted synthesis of a molecular sieve by means of ultraviolet radiation, which belongs to the technical field of synthesis of the molecular sieve. The method comprises the steps of measuring a silicon source, an aluminum source and other reactants, transferring the silicon source, the aluminum source and other reactants into a quartz container, carrying out the crystallization reaction at a given reaction temperature by means of ultraviolet radiation (power density of 20 to 80 w / m<2>), washing and drying a crystallization product, and obtaining an A-type, X-type, N-type, Silicalite-1-type, Beta-type, Y-type, ZSM-5-type, MOR-type or SAPO-34-type molecular sieve. By adopting the method, the silicon-aluminum molecular sieve with good crystallization can be rapidly obtained, compared with the traditional method, the alkality and temperature of the reactant can be reduced to a certain extent, and the synthesis process of the molecular sieve can be accelerated. The production cost is greatly reduced, and the industrial application prospect is promising.
Owner:JILIN UNIV
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