573results about How to "Ensure food safety" patented technology

The invention discloses a water catalyst sterilizing and detoxifying device and a producing and using method thereof. The device comprises a water catalyst generator and a DC (direct current) power supply, wherein the water catalyst generator comprises an anode electrode and a cathode electrode which are both titanium electrodes; and the anode electrode is coated with a composite material coating. The producing method comprises the following steps of: (I) making electrodes; and (II) making the composite material coating: preparing composite material coating liquid, and brushing, drying and sintering the coating liquid in multiple times. The using method comprises the following steps of: a, placing the cleaned article and the water catalyst generator in the cleaning water; b, connecting the water catalyst generator with the DC power supply; and c, purifying the cleaned article with the water catalyst generator and the cleaning water. According to the invention, the design is reasonable, the producing and using processes are simple, and the purifying effect is good; and moreover, the problems of poor using effect, possible new pollution, easy damage to the nutrient components of thecleaned food and the like of the existing sterilizing and pesticide residue removing methods can be solved.

The invention relates to a composite planting and cultivating method for rice, procambarus clarkii and soft-shelled turtle, comprising the following seven steps: neatening the preliminary rice field; catching the procambarus clarkii of the last year; catching the soft-shelled turtle of the last year; putting and cultivating the soft-shelled turtle of the year; seeding paddy rice; cultivating the procambarus clarkia of the year; and harvesting the paddy rice. In the invention, a planting and cultivating region is constructed by excavating ditches in a paddy rice field; after harvesting the paddy rice, the zooplankton in the water cultivated through straw return is used as the bait of crayfish; the growth and reproduction of the crayfish are guaranteed by combining the ditches with the paddy rice field; the crayfish is capable of eating a part of the insect pest of the rice so as to guarantee the growth of the paddy rice; the physique of the turtle is guaranteed through eating fresh crayfish; the excretion of the crayfish and the turtle is decomposed through micro-organism preparation, is changed into nutrient substance and is absorbed by the paddy rice; and since the crayfish is high sensitive to chemical pesticide, the use of the chemical pesticide under the production mode in the invention can be eliminated, and the safe agricultural product is produced.

By aiming at the problems in the existing alginate-derived oligosaccharide extraction, the invention provides a production process for extracting alginate-derived oligosaccharide from sea tangles. A novel process for extracting alginate-derived oligosaccharide from sea tangles by an enzyme hydrolysis method comprises the nine steps of sea tangle powder preparation, soaking, cellulose enzymolysis, digestion, centrifugal filtration, bleaching, sodium alginate lyase enzymolysis, high-speed centrifugal fine filtration and alcohol dehydration. Compared with the existing alginate-derived oligosaccharide extraction process with the yield being 14-15 percent, the novel process has the advantages that the yield is 17-18 percent and is improved by 3 to 4 percent, meanwhile, the process steps are simplified, the use of chemical reagents is reduced, and the product appearance is more attractive.

The invention relates to an ecological cultivation method with health care fermented feed matched with a probiotic fermentation bed. The method includes the steps that first, probiotic fermentation is carried out, wherein the probiotic fermentation comprises anaerobic fermentation of anaerobes and aerobic fermentation of aerobic microorganisms; second, the probiotic fermentation bed is prepared, wherein various raw materials for preparing the material of the fermentation bed are evenly mixed so as to obtain organic bedding, bacterium solution is inoculated for fermentation, and the organic bedding contains saw dust, rice husks, bran and first compound Chinese herbal medicine; third, the fermented feed contains corn, bean pulp, vitamins, microelements, mineral substances, amino acids, other additives, second compound Chinese herbal medicine and the like, and microorganisms are added into the feed components for fermentation. The ecological cultivation method has the advantages that water can be purified, and hidden danger to health of hogs caused by a water source is blocked; the using amount of the microelements is reduced, resources are saved, emissions are reduced, and the environment is protected; no antibiotics or residue exists, and food safety and human health are guaranteed; the Chinese herbal medicines have the functions of being resistant to disease and promoting growth and can replace antibiotics.

The invention discloses a preparation method of green tea with low caffeine, which comprises the steps of fresh leaves spreading, hot water soaking, centrifugal dehydration, hot wind dehydration, rolling, drying and refined processing. The hot water soaking, hot wind dehydration and drying are the key of the invention. The hot water soaking time, the weight ratio of the fresh leaves and hot water, the cooled leave temperature controlling after soaking and water-removing, the hot wind dehydration temperature and the drying technical requirement of ensuring that the moisture content of the finish tea is less than or equal to 7 percent are all the core element of the invention. By adopting the invention, the manufactured green tea with low caffeine has caffeine content that is less than 1.0 percent, tea polyphenol content that is more than 18 percent and other effective ingredients maintaining at about 85 percent; and the green tea with low caffeine still has the traditional flavor of Chinese green tea; more importantly, no organic solvent is used in the preparation process, so as to guarantee the food safety of the finished tea. The device used in the invention is simple, low in investment and can be easily operated, and the method is a new method for producing green tea with low caffeine.

The invention discloses Bacillus subtilis for effectively degrading zearalenone and application thereof. The preservation serial number of the Bacillus subtilis ASAGF141 is CGMCC No.9463. The invention further provides bactericide containing preserved strains and a preparation method of the bactericide; besides, the invention further provides application of the strains or the bactericide to degradation of the zearalenone. According to the Bacillus subtilis for effectively degrading zearalenone and application thereof, the trains can completely degrade the 20 microgram/ml zearalenone within a short time, and the degradation rate is 10%.

The invention discloses a preparation method for a sausage, comprising the steps of selecting materials, wringing, mixing materials, pickling, filling, baking, cooling, inspecting and packaging, wherein the baking process is as follows: circularly heating a heating pipe in the heating pipe by steams in a bakery built by brick structures; heating the bakery to 40 degrees centigrade; and then putting the filled sausages in the bakery; controlling the steam flow so that the sausages are baked for 4 hours when the bakery temperature is 45-50 degrees centigrade; preliminarily removing the moisturein the sausages; after 4 hours, heating the bakery to 60-63 degrees centigrade so as to bake the sausages for 7-10 hours continuously ; finally, stopping steam supply; and cooling to room temperature. The preparation method for the sausage has the following advantages: the food preparing link is safer by using the process; and the benzopyrene is avoided.

The invention discloses bacillus amyloliquefaciens capable of degrading ZEN (zearalenone) efficiently and an application of the bacillus amyloliquefaciens. The collecting number of the bacillus amyloliquefaciens ASAGF142 is CGMCC (China General Microbiological Culture Collection Center) No. 9464. The invention further provides an inoculant comprising the collected strain and a preparation method of the inoculant. Besides, the invention provides the application of the strain or the inoculant in degradation of ZEN. The strain can degrade 20 mu g/ml of ZEN completely in short time, and the degradation rate is 100%.

The invention discloses a citrus fruit natural composite antistaling agent comprising the following ingredients by mass percent: 1-2.5 percent of film-forming agent, 1-3 percent of glycerol, 0.02-0.05 percent of emulsifier, 1.5-3 percent of acetic acid, 0.1-0.3 percent of preservative and balance of water, wherein the preservative is one of cinnamon oil and caryophyllus oil or the mixture of the cinnamon oil and caryophyllus oil. The citrus fruit natural composite antistaling agent can keep the citrus fruit fresh while ensuring food safety, playing good preservation effect and ensuring food safety; the citrus fruit refreshed by the antistaling agent, even the Shatang mandarin hardest in preservation, is low in rotting rate and has good fruit rate more than 93 percent in 30-day storage andtransportation process; and the a citrus fruit natural composite antistaling agent can greatly prolong the storage period of the citrus fruit and ensure the quality of the citrus fruit.

The invention relates to an organic biological multi-element plant nutrient polymer and a production method thereof and belongs to the field of agriculture. Multiple plant nutrients dispersed in agricultural solid waste are quickly gathered through an organic biological fermentation technology; due to industrial processing, nutrient bodies or nutrient blocks are prepared, so that a supporting solid and a nutrient supplier are supplied to cultivation of plants. According to the organic biological multi-element plant nutrient polymer and the production method thereof, the included plant nutrient elements are gathered together through a technical measure of organic biological fermentation and decomposition of the agricultural solid waste and are used for development of ecological agriculture and recycling agriculture; therefore, the environment pollution is solved, and the scientific support is supplied to the construction of beautiful countries.

The invention discloses a bamboo cutting board, a wooden cutting board and a mildewproof treatment method of the bamboo cutting board and the wooden cutting board. The bamboo cutting board or the wooden cutting board comprises a bamboo cutting board portion or a wooden cutting board and edible vegetable oil at a mass ratio of 95-99.5%:0.5-5%, and an antioxidant and a preservative are added in the edible vegetable oil. The mildewproof treatment method of the bamboo cutting board and the wooden cutting board includes: adding appropriate amount of the antioxidant and the preservative in the edible vegetable oil; taking the bamboo cutting board or the wooden cutting board with less than 20% of water, and subjecting the cutting board to mildewproof treatment via the vegetable oil by a normal-pressure soaking method, a vacuum soaking method or a brushing method; naturally drying the cutting board, and packing the cutting board with a thin food packaging plastic film 0.04-0.1mm in thickness by means of heat sealing. The edible vegetable oil is selected from colza oil, tea-seed oil, cottonseed oil, peanut oil, sunflower seed oil, palm oil or blend oil with above oil blended in any proportion. The bamboo cutting board and the wooden cutting board subjected to the mildewproof treatment method are less prone to mildewing, stinking and cracking and are harmless to health.

The invention relates to a grain deep-processing product, in particular to quinoa powder, and belongs to the technical field of grain processing.The quinoa powder is reasonable in nutrient composition, good in solubility, high in digestion and absorption rate and wide in applicable people.The preparation method of the quinoa powder comprises the steps of raw material selecting, cleaning, slurrying, enzymolysis, partial fermentation, blending and mixing and spray drying; the enzymolysis process adopts cellulase, alpha-amylase, beta-amylase and alpha-1,4-glucose hydrolase for composite enzymolysis, multiple modes of combining ultrasonic cleaning, microwave assisted ultrasonic extraction and hot water extraction are adopted, the raw material utilization ratio and nutrient content are effectively increased, and the quality is effectively improved; the food safety of the product is effectively guaranteed.The quinoa powder obtained through the method is good in instant solubility, the quinoa powder is a milk white emulsion which is uniform and stable in appearance after being dissolved, has the wheat fragrance peculiar to cereals and is smooth and refreshing in mouthfeel and free of sticky feeling, fragrance is left in lips and teeth after the quinoa powder is swallowed, sour regurgitation does not occur in oral cavities, the quality is good, and the quinoa powder is clean, sanitary, convenient to carry and wide in application.

A seed production base three-dimensional (3D) visualization geographic information system comprises a shooting device, a GPS (global positioning system) positioning device, a 3D laser-point cloud scanner, a 3D image generating unit, a 3D map model generating unit, a storage unit and a display subsystem; the shooting device is used for obtaining a realistic image of a seed base; the GPS positioning device is used for recording the geographic position information of each moving point when the shooting device obtains the realistic image; the 3D laser-point cloud scanner is used for collecting 3D spatial data of the seed base when the shooting device obtains the realistic image; the 3D image generating unit is used for compounding a 3D realistic video according to the realistic picture and the geographic position information; the 3D map model generating unit is used for generating a 3D map model according to the 3D spatial data of the base; the storage unit is used for storing the 3D realistic video, the geographic position information and the 3D map model; the display subsystem is used for displaying the 3D realistic image and the 3D map model.

The invention discloses konjac composite nutritive rice, which is obtained by uniformly mixing 10-20 parts by weight of konjac flavor powder, 10-30 parts by weight of coarse rice powder, 15-25 parts by weight of whole corn flour, 25-35 parts by weight of whole sweet potato flour, adding water and stirring to dough, extruding to rice grains through a granulator and drying through microwave. According to the composite healthcare nutritive rice, the nutritional ingredients and the healthcare ingredients of the konjac flavor powder, the coarse rice powder, the whole corn flour and the whole sweet potato flour are overlapped and compounded, so that the nutrition and healthcare effects are better, the vices of poor taste of the brown rice and the corn and poor taste of konjac when eating separately are made up, and the konjac composite nutritive rice has positive action for improving physical fitness of the whole people; the konjac is added in the brown rice with lower price, the cost of the composite healthcare nutritive rice is reduced, non-grain is changed to grain, the coarse grain is changed to fine grain, and the konjac composite nutritive rice has important significance for ensuring national grain safety; after the konjac composite healthcare nutritive rice is developed, farmers become rich and rural economy development is promoted.

The invention discloses a multi-residue colloidal-gold rapid detection kit and a detection method and application thereof, belonging to the field of immunology. The kit provided by the invention mainly comprises a multi-residue colloidal-gold rapid detection card; the detection card comprises a detector bar and a plastic card shell, and the detector bar is composed of a sample pad, a colloidal-gold antibody binding pad, a nitrocellulose membrane and a water absorbing pad. The colloidal-gold antibody binding pad comprises a colloidal gold labeled gentamycin monoclonal antibody, a colloidal gold labeled kanamycin monoclonal antibody and a colloidal gold labeled fluoroquinolone monoclonal antibody. The central part of the nitrocellulose membrane is coated with a detection line and a control line, wherein the detection line is arranged to be a protein conjugate and the control line is a goat anti-mouse IgG monoclonal antibody. The rapid detection kit provided by the invention can realize simultaneous detection of a plurality of residues only through simple pre-treatment, the whole operation process is simple, the kit is convenient to carry, result determination is rapid and accurate, and the kit is applicable to on-site monitoring and to qualitative screening of considerable samples.

the invention discloses a rice leaf shape controlled protein coded by SLL1 gene with amino acid sequence as follow as Seq ID No:2 as well as nucleic acid sequence in the Seq ID No:1 and plasmid, plant express carrier and host cell with the related gene. The invention also provides culturing method of coiled plant leaf, which transforms plant carrier into plant cell to form plant. The new gene SLL1 is cloned from coiled rice leaf mutant to code transcription factor of MYB-DNA connecting area of SHAQKYF, which controls coiling degree through moduling the programming death in the vascular tissue differentiation course.

The invention provides a method for extracting phycobiliprotein from spirulina. The method comprises the following steps: adding water into spirulina mud to obtain a spirulina cell suspension, performing ultrasonic treatment to obtain spirulina lysate, centrifuging the lysate and taking the lysate, sequentially filtering through filter membranes which are respectively 0.8mu m and 0.45mu m, to obtain phycocyanin crude extracting liquid, then sequentially ultrafiltrating the crude extracting liquid through an ultrafiltration membranes with molecular weight cut-off of 300KD and 100KD, collecting a filtrate of the molecular section, and performing freezing and drying to the filtrate to obtain phycobiliprotein powder. According to the method, the defect of using chemical reagent to extract phycobiliprotein in the prior art is overcome, no residuals exist in the preparation, and the environment pollution does not exist. The extraction rate of the phycobiliprotein is greater than 80%, the content of phycobiliprotein is more than 60%, and the purity of the phycobiliprotein is more than 1.5. The overall technological process is safe and reliable, fast and efficient. Compared with the traditional method, by using the method, the content of the phycobiliprotein is high before using of chromatography, the phycobiliprotein with the purity not only can meet the requirement of food and cosmetic industries, but also can be applied to aspects of medical and health products, and the like.

The present invention discloses a portable adenosine triphosphate fluorescence detection device comprising a housing consisting of an upper housing and a lower housing, a cover capable of opening/closing and deposited above the housing, a liquid crystal window and a keyboard which are deposited at the upper housing acting as a panel of the device; a circuit board used for performing a fluorescence detection and mounted inside the housing, with a liquid crystal screen, a photodiode, a shielding case and a light trap metal block being mounted thereon, wherein the photodiode is arranged inside the light trap metal block with its the other terminal being connected to a test-tube repository, and a first microswitch and a second microswitch are also mounted at the circuit board. The control circuit comprises a fluorescence detection module, a data acquisition module, a human-computer interface, a power supply module, a control module and the like. Said fluorescence detection module is used for detecting the intensity of fluorescence generated by a reaction of ATP in living microorganism body and fluoresceins and luciferases in the detection reagent, and the data acquisition module is used for converted the fluorescence intensity detected into a digital quantity to ascertain the ATP content, then the presence and content of microorganism is capable of being indirectly ascertained by controlling system analysis and processing and saving data.

The fish and shrimp phagostimulant of fermented product and adsorbed protein is prepared through screening beneficial bacteria seed from cultivated animal body, culturing in composite culture medium to proliferate, concentrating and adding plant protein with phagostimulant effect. It is added into fish and shrimp feed to raise their feed intake and improve their digesting function. The production process has combined beneficial microbe fermenting technology and low temperature drying technology to ensure the fast growth of beneficial bacteria, the well preservation of metabolic product and the special cultivating function. The fish and shrimp phagostimulant is one kind of green product capable of replacing traditional phagostimulant and antioxidant.

The invention provides a pig feed containing a Chinese herb additive. Pennisetum purpureum and moringa oleifera that are planted on a large scale are adopted as the main feed, corn, soybean meal, rice bran and other raw materials are added to achieve comprehensive nutrition and high palatability, also licorice, radix bupleuri, radish seed, codonopsis pilosula, lily, radix isatidis, radix saposhnikoviae, dried tangerine peel and other Chinese herbal medicines are added, so that the pig feed can tonify middle-Jiao and replenish Qi, strengthen the pig constitution, enhance immunity, and effectively prevent and treat pig asthma, cough and other diseases. The formula involved in the invention does not contain antihormone and is green and natural, the pork quality is good, and at the same time the food safety is ensured.

The invention discloses a culture medium for pleurotus eryngii and a preparation method thereof. The culture medium is prepared from the following raw materials in parts by mass: 50 to 65 parts of mulberry branch powder, 15 to 20 parts of wheat bran, 7 to 10 parts of soybean meal, 7 to 11 parts of corncobs, 3 to 7 parts of corn flour, 0.5 to 1.5 parts of quicklime and 0.5 to 1.5 parts of light calcium carbonate. According to the culture medium and the preparation method, the mulberry branch powder is used as a main raw material for the culture medium for the pleurotus eryngii, pollution is avoided, and the product quality is improved; the obtained pleurotus eryngii has a large body size, a saturated shape and good mouth-feel.