470 results about "Food sanitation" patented technology

This invention is a modular, adjustable, easy to maintain, portable or fixed food sanitation tunnel, comprising an enclosing means for subjecting food to sanitizers including UV light, ozone, hydroperoxides, superoxides and hydroxyl radicals, and a method for using the system. The enclosing means includes one or more UV radiation sources and one or more target rods located within a tunnel, such as a c-shaped shell. The UV radiation sources are preferably UV light sources that emit UV light of approximately 185 to 254 nm. The target rods are approximately up to 0–30% titanium dioxide, up to 0–30% silver and up to 0–30% copper, by weight. The system may include a mister for the efficient production of hydroxyl radicals by the UV light sources. Parts of the system are easily removable for cleaning and for maintenance. Also, in an alternative embodiment, the tunnel is located on a frame, and the frame is on wheels.

The invention discloses a PVC material and a preparation method thereof. The PVC material comprises the following substances according to parts by weight: 100 parts of PVC, 2-8 parts of stabilizer, 2-6 parts of processing agent, 1.5-2.5 parts of lubricants, 4-12 parts of filler, and 0.05-1 part of colorant. Compared with the prior art, the invention adopts food sanitation-level or nontoxic raw materials; the mobility of the manufactured material is good, and the molding temperature and molding pressure of tubular products and pipe fittings can be reduced, thus preventing the PVC material from pyrolyzing. The PVC-U water supply tubular products, pipe fittings and pressure-proof ball valves made from the material have good acid and alkali resistance, inoxidability and ageing resistance, and the pressure resistance of the pressure-proof ball valve is more than or equal to 2.5MPa (the pressure resistance of similar products is only more than 1.6MPa), thus fully meeting food and chemical use requirements.

The invention relates to a method for identifying the animal-based components in meat and meat products by utilizing an SDS-PAGE (Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis) method, and belongs to the field of food sanitation inspection. The method provided by the invention is utilized to identify the pig, cattle, sheep, chicken and fish-based components in the meat products; the SDS-PAGE is carried out on the soluble proteins which are extracted from the processed sample by carrying out different temperature thermal treatments on fresh animal muscle tissues; and the pig, cattle, sheep, chicken and fish-based components in the meat products are judged according to an electrophoresis pattern. The method provided by the invention has the characteristics of strong specificity and sensitivity, and visual and reliable result judgment, and is simple to operate and has the extremely important significances on preventing animal disease pathogens such as foot-and-mouth disease, avian influenza and the like from spreading into China, preventing illegal retailers from concealing commodity components and guaranteeing the health of people.

The invention relates to a vending machine for providing hot food as well as convenient bowl storing and transmitting system and sanitary door mechanism thereof and provides the vending machine for bringing convenience to the use and producing and selling the hot foods, such as noodles, rice noodles and the like. The vending machine comprises a casing, and the storage and transmission system of the convenient bowls, a staple food storing and transmitting system, a water storing and heating supply system, a seasoning storing and transmitting system, a work station switching and conveying system, a control system and the like which are arranged in the casing. Rice and flour products which are subject to precooking, non-adhesion treatment and fresh-keeping quantitative package are used as staple foods; the staple foods are subject to heating, bowl filling, seasoning addition and other work procedures and then are transmitted; and the finished products have a high nutritional value and a high cost performance. The convenient bowl storing and transmitting system provided by the invention has a simple and reliable structure and high efficiency and is especially suitable for the vending machine for the hot foods disclosed in the invention. The sanitary door mechanism disclosed by the invention has a reasonable structure and the function of ensuring the food sanitation and safety of the vending machine.

The invention discloses an austenitic stainless steel with excellent polishing performance. The austenitic stainless steel comprises the following chemical components in percentage by weight: 16 to 20 percent of Cr, 7 to 15 percent of Ni, less than or equal to 2 percent of Mn, 0.2 to 2 percent of Cu, less than or equal to 0.05 percent of Al, less than or equal to 0.5 percent of Si, 0.03 to 0.1 percent of C, less than or equal to 0.05 percent of N, 0.01 to 0.06 percent of P, 0.003 to 0.05 percent of S, 0.05 to 0.5 percent of V, and the balance of iron and inevitable impurities. A manufacturing method for an austenitic stainless steel cold-rolled plate comprises the following steps of: heating a continuous cast plate blank to the temperature of between 1,100 and 1,300 DEG C; performing rough rolling at the temperature of between 1,000 and 1,250 DEG C; performing final rolling at the temperature of between 950 and 1,100 DEG C; performing quick cooling; coiling at the temperature of less than 700 DEG C; performing hot rolling to form a hot-rolled plate of the required specification; annealing the hot-rolled plate at the temperature of between 950 and 1,200 DEG C; removing oxide skin by adopting a continuous acid washing process of phosphorus breakage, shot blasting, electrolysis and mixed acid washing; performing cold rolling, wherein the overall reduction rate is more than 50 percent; and performing continuous annealing at the temperature of between 950 and 1,200 DEG C, or performing full-hydrogen bright annealing at the temperature of between 950 and 1,200 DEG C. The austenitic stainless steel cold-rolled plate has completely improved grinding performance and surface polishing performance, and is particularly suitable for the industries of building decoration, plastic dies, food sanitation, electronics and the like with strict polishing performance requirements.

The invention relates to a pet food mainly prepared from fowl meat, wherein the raw material comprises the following constituents (by weight ratio): chicken chest 100, potassium sorbate 0.05-0.1, dehydrogenated sodium acetate 0.01-0.03, sodium nitrite 0.001-0.003, vitamin C 0.01-0.02, table salt 0.02-0.04, glycerin 0.3-0.5. The preparing process consists of treating raw materials, proportioning quelite, low temperature pickling, drying, roasting, detecting and packaging.

The invention provides an internet of things based public food sanitation safety protection service system and a working method thereof. The system comprises a wireless sensing node, a network gateway and terminal equipment, wherein the wireless sensing node is connected with the network gateway by wireless; the network gateway is connected with the terminal equipment through the Ethernet and a wireless local area network; system software is installed on the wireless sensing node and the network gateway respectively; and terminal software is installed on the terminal equipment. Under the control of the system program, acquisition, processing, transmission, analysis, monitoring, feedback, information exchange and service customization on temperature, humidity, cleaning disinfection, pesticide residue index, nutrition tracing, additive dosage and other related data can be realized, and an intelligent monitoring platform for municipal supervision department, homology of medicine and food service platform and a humanistic concern and business information service platform can be formed.

The invention relates to a method of plant recovering and agriculture safe utilization for cadmium-polluted vegetable field soil, in particular to a method of producing while repairing for a cadmium-polluted vegetable field. The method comprises planting green Chinese onions with low cadmium accumulation and cadmium-hyperaccumulator plants of nightshade in an intercropping mode on the cadmium-polluted soil, and after the green Chinese onions with low cadmium accumulation and the cadmium-hyperaccumulator plants of nightshade are fully grown, respectively removing the entire plants from the cadmium-polluted soil so as to achieve the aim of removing a pollutant of cadmium in the soil and simultaneously harvesting the green Chinese onions with low cadmium accumulation to serve as pollution-free vegetables. The harvested green Chinese onions meet the requirements of our country for food sanitation so as to be safely consumed. By means of the steps, a recovering and utilizing period is completed. According to the method of producing while recovering for the cadmium-polluted vegetable field, large amount of cadmium is taken away from the cadmium-polluted soil by utilizing the cadmium-hyperaccumulator plants, the polluted soil is recovered while the green Chinese onions meeting the sanitation standards of our country are produced, and the polluted soil can be safely utilized.

The present invention discloses an intelligent food and beverage cloud system, belonging to the field of food and beverage. The system comprises: a data server configured to store data received from atraceability module, a food material transaction module, an ordering module and a cooking module and perform processing analysis of the data; the traceability module configured to perform data recordof production, processing and transaction of the food materials and generate traceability information of the food materials; the ordering module configured to complete user ordering and distribution;the food material transaction module configured to generate food material processing and food material production proposals according to ordering data, historical transaction data and market quotations, guiding production and processing of the food materials, performing transaction and distribution of the food materials, collecting food material transaction data and sending the food material transaction data to the data server; and the cooking module configured to use a kitchen intelligent device to complete a cooking demand of the ordering module. The intelligent food and beverage cloud system is employed to reduce intermediate links, reduce the purchasing cost and improve hygiene and food safety.

The invention discloses an electrochemistry biochip detector system, and particularly relates to a portable electrochemistry biochip detector system which can meet wireless information transmission. The portable electrochemistry biochip detector system comprises an electrochemistry biochip, an electrochemistry biochip reader and an electrochemistry biochip detector. The system is small in volume, is high in analyzing speed, can be used for rapidly detecting multiple analytes to be detected on site with low cost, has a humanized liquid crystal touch display operation interface, is simple and convenient to use, has the function of wireless data transmission, is convenient for data acquisition, transmission and monitoring, and can be widely applied to the fields of medical treatment and sanitation diagnosis, food sanitation (analysis and detection on food ingredients, food additives, harmful substances, etc.), military medicine (detection on biological agents of warfare) and environmental detection (analysis on water quality).

The present invention relates to a method to detect bibrio parahemolyticus belonging to the technical field of biology, which is characterized in that: DNA template is prepared by centrifugating pure bacterial culture, discarding supernatant fluid, adding 100MuL sterile water for water bathing, ice bathing, centrifugation, removal of supernatant fluid as standby for expansion of the template. In addition, the method adopts primer 5.0 software to design four primer sequences of LAMP primer for bibrio parahemolyticus tlh gene M36437. Besides, loop-mediated isothermal amplification of bibrio parahemolyticus is applied. In detail, it is necessary to prepare a 25uL reaction system and carry out incubation and inactivation. Outcome detection refers to that turbidity of the reaction system is observed with naked eyes. Compared with prior arts, the detecting method of the present invention has the advantages of convenience, reliability, high sensitivity, short time and lower cost as a simple conventional detecting method, particularly adapts to grass-roots inspection and quarantine authorities and breed aquatics and brings great significance to improve food sanitation and boost development of international food trade.

The invention discloses a closed-type constant-temperature multi-layer water circulation turtle cultivation system which comprises a multilayer turtle cultivation pool devices, a cultivation water environment adjusting device, an indoor air environment adjusting device and a cultivation system operation control device, wherein the multilayer turtle cultivation pool device comprises a plurality of turtle cultivation pools, circulating water return pipes, circulating water outlet branch pipes and main circulating water outlet pipes, primary solid liquid precipitation devices, blow-down valves and pollution discharge blow-down pipes; the cultivation water environment adjusting device comprises a solid-liquid separator, a blow-down valve, a sterilizer, a protein separator, a biological filtering device or tank, a circulating pump and a water heating device; and the indoor air environment adjusting device comprises an air heating device, an air oxygenating device and an insulation building. According to the closed type constant-temperature multi-layer water circulation turtle cultivation system, turtle cultivation environments can be comprehensively controlled, the land, the water and the energy are saved, an optimal ecological environment suitable for turtles to rapidly grow is established, turtle cultivation is free of drugs, and healthy and safe food sanitation requirements are met.

The invention discloses a fresh keeping method for plum fruit, comprising the following steps: (1) immersing plum fruit in chitosan solution with a concentration ranging from 0.1g / 100ml to 3.0 g / 100ml at room temperature; (2) refrigerating the plum fruit immersed in step (1); (3) when entering into shelf life, keeping refrigerated plum fruit in an enclosed device, which contains 1-methyl cyclopropene gas with a concentration ranging from 0.5 mul / L to 5.0 mul / L, for 12-24 hours at room temperature; wherein, the concentration of 1-methyl cyclopropene gas is preferably in the range of from 1.0 mul / L to 2.0 mul / L. The fresh keeping method for plum fruit of the present invention has the advantages of high food health safety, simple application, easy spread, little investment but quick result, low price, broad market, notable economic and social profit etc, which is suitable for China and has great development and application value.

The invention discloses Uigur rose sauce and a making method thereof, which belong to the field of foods. The finished rose sauce is prepared by using petals of fresh medical roses grown in desert in Hetian district in Xinjiang as main material and combining with white granulated sugar and brown sugar and by the steps of preparing hawthorn juice, preparing rose pulp, preparing corn starch syrup, adding sugar, concentrating, sterilizing and cooling. When the method is used, the Uigur rose sauce can be made without limitation of weather and can be produced all the year round. The prepared rose sauce has rich nutrients, stable quality and proper sugar content, offers a sweet but not greasy taste, avoids crystallization and demixing, retains the original color and form of roses and meets a food sanitation requirement.

The invention relates to a method for detecting the total number of bacteria based on the fluorescent method of NADH, in particular to a novel method for rapidly detecting the total number of colon bacteria based on the fluorescent characteristic of the NADH in a colon bacteria cell and the stable-content characteristic of the NADH in the colon bacteria cell, which comprises the processes of extracting NADH in the colon bacteria cell, detecting the content of the NADH in the colon bacteria cell, detecting the fluorescent intensity of the NADH in the colon bacteria cell with a fluorescent spectrophotometer and rapidly detecting the total number of bacteria. The fluorescent detection limit of the NADH is 1 nM, and the content of the NADH ranges from 10 nM to 80 microns and keeps a favorable liner relationship (R = 0.9905) with the fluorescent intensity. The colon bacterial cell is obtained in a decentering way, the NADH in the colon bacteria cell is extracted in a Tris-HCl method, the fluorescent intensity of extracting solution of the NADH is extracted with the excitation wavelength of 342 nm and the emission wavelength of 461 nm, and the colon bacteria of 10 cfu / mL can be detected in one hour. The method adopts novel detection theory, has rapid detection speed and good repeatability, is sensitive and easy, is suitable for quantitatively detecting the number of colon bacteria in the fields of food sanitation and safety, environment detection, and the like, and can replace the traditional method for detecting the number of living cells.

The invention discloses a probiotics fermented beverage and a production method thereof, and belongs to the technical field of biological fermentation. The method screens lactobacillus acidophilus, lactobacillus bulgaricus, streptococcus thermophilus, lactobacillus casei, bifidobacterium bifidum and bifidobacterium adolescentis which are beneficial for human health and accord with national food sanitation law prescriptions as a beneficial colony, and selects tropical fruits, molasses, honey and Qinghai Lake salt which have anti-oxidation functions as a culture medium. The probiotics fermentedbeverage has the functions of maintaining colony balance in human intestinal tracts, promoting the absorption of nutrient substances, enhancing the immunity of the organism, preventing diarrhea and constipation, and the like; and the production method has the advantages of simple process, convenient operation and high production efficiency.

The invention provides an automatic production method and system of sour pulped rice noodles, relates to the technical field of preparation or processing of foods, and solves the technical problems that in the prior art, artificial participation procedures and degrees are higher and the control difficulty of quality and food sanitation and safety requirements is higher. The method comprises the steps of raw material cleaning, pulping, preliminary fermentation, secondary fermentation, preliminary curing, rice noodle squeezing, secondary curing, cooling and rinsing, slitting and packaging, and the like. The production system comprises a raw material cleaning and soaking mechanism, a pulping mechanism, an extruding and preliminary fermentation mechanism, a stirring and secondary fermentation mechanism, a preliminary curing mechanism, a squeezing and forming mechanism, a secondary curing mechanism, a cooling and rinsing mechanism and a slitting mechanism, and all mechanisms are sequentially arranged. The secondary fermentation process is adopted, so that the consumed time is relatively short; an exhaust process is adopted, so that the quality of rice noodles is improved; and furthermore, the system realizes automatic operation, so that the productivity and production efficiency are improved, and the control for food sanitation and safety requirements is relatively easy.

A method for sanitation and preservation of foodstuffs includes the following steps. A container containing a foodstuff is provided. A non-thermal plasma is introduced to an interior of the container. The container is sealed.

The invention belongs to the technical field of vegetable cultivation and particularly relates to a color pepper cultivation technology. The color pepper cultivation technology comprises the steps of seedling culture bed selection, protected cultivation, sowing and seedling raising, field preparation, field planting, management after plantation and harvest. The sowing and seedling raising step comprises a step of seed pretreatment prior to sowing and a sowing and seedling raising step. The seedling culture bed step comprises the steps of selecting a land parcel which is high in terrain and has convenience in irrigation and drainage, leveling the land parcel, applying 2000kg of thoroughly decomposed mashed organic fertilizer, 40-50kg of diammonium phosphate and 200kg of plant ash per 2000 / 3 square meters, fully evenly turning over the land parcel, further applying 50% of carbendazim or anilazine, and enabling the dosage of the 50% of carbendazim or anilazine to be 300-400g per 2000 / 3 square meters. According to the technical scheme, the color pepper cultivation technology has the advantages that plants grow robustly, fruits color quickly, the yield is high, the pesticide residues in color peppers are lower than the food sanitation standard regulated by the nation, and the quality and quantity requirements for the color peppers in daily life are met.

The invention belongs to fluorescence detectors, in particular to a portable fluorescence detector. The prior art has the defects of large size, inconvenient carrying and unavailable field detection at any time as required and cannot meet the requirements for environment protection, food sanitation and medical detection. In the portable fluorescence detector, a rear shell plate (16) is provided with a USB (universal serial bus) interface (14) and an RS-232 interface (15); a lower shell body (18) is provided with an external power supply interface (17) and a cell box (19); a bottom plate is provided with an LED light source (11), colored glass (5), a focus lens (4), a sample pool (3), a focus lens (6), a color filter (7) and a solid receiver (8); and a panel (21) is provided with an optical filter socket (22), a display screen (9) and a key (10). The invention has the advantages of convenient carrying, low energy consumption, directly read detection result and convenient data transmission, storage and calculation, and can be used for carrying out field detection as required.

The invention provides a kit for detecting a peste des petits ruminants virus hemagglutinin protein (H protein) antibody. The kit takes recombinant protein of extracellular region sequence code of peste des petits ruminants virus hemagglutinin protein gene as an envelope antigen. The invention further provides an application method of the kit. The kit can quickly specifically detect the peste des petits ruminants virus H protein antibody in serum, and is good in reaction specificity and high in sensitivity. The operation is simple; the cost is low; and the reaction result is stable and reliable, and is easy to observe. The kit is suitable for monitoring the vaccine immunity effect of import and export immunity, food sanitation, and a livestock farm of peste des petits ruminants.

The invention belongs to the field of sanitary examination, and relates to a LAMP kit for testing classical swine fever virus and an establishing method and an application thereof. The kit contains a test system which is composed of the LAMP reaction liquid of six LAMP primers. The tests prove that the kit of the invention has good specificity and sensitivity, fast amplification speed, high efficiency and simple and convenient identification. The test system of the invention can rapidly and conveniently test the classical swine fever virus in high-efficiency, high-specificity and high-sensitivity under the isothermal condition of 65 DEG C without complicate instruments, can better satisfy the spot tests for the classical swine fever virus, provides a novel technical platform for food safety testing, can better meet the urgent requirements for the spot testing of foot and mouth diseases at present, is used for the spot testing of import and export quarantine, food sanitary departments, animal breeding farms, etc, and is easy to be popularized in a wide range.

The invention discloses an automatic bagging machine for chicken claws. The automatic bagging machine comprises a frame, wherein a packaging bag paging mechanism and a chicken claw conveying mechanism are arranged on the frame; and a packaging bag conveying mechanism and a chicken claw bagging mechanism are matched with the packaging bag paging mechanism and the chicken claw conveying mechanism. During work, chicken claws are continuously fed into a bagging station through the chicken claw conveying mechanism; the downmost one of multiple layers of plastic bags is separated through the packaging bag paging mechanism and the separated plastic bag is conveyed to the bagging station through the packaging bag conveying mechanism at the same time, so that the plastic bag is located below chicken claws and is opened upwards; an opening of the plastic bag is blown open through a blower gun, and simultaneously a push-down cylinder pushes the chicken claws downwards, so that the chicken claws fall into the plastic bag, and the bagging is completed; and the packaging bag paging mechanism releases the plastic bag, so that the plastic bag filled with chicken claws falls down and sent out by a transmission mechanism after bagging. The whole motion is flexible and reliable, the automation degree is high, a large number of operators are not required, the bagging efficiency is high, and the food sanitation requirement can be met at the same time.

The invention discloses a food-grade anti-corrosion lining rubber plate which is prepared from the following raw materials in parts by weight: 70-85 parts of 1# natural rubber, 15-30 parts of butadiene styrene rubber 1502, 2-5 parts of a peptizer, 10-20 parts of high styrene, 30-50 parts of sulphur, 10-30 parts of graphite powder, 10-30 parts of carbon black N550, 2-8 parts of magnesium oxide, 1-3 parts of stearic acid and 1-3 parts of an accelerant DOTG. The food-grade anti-corrosion lining rubber plate is high in mechanical property, excellent in food sanitation performance and high in chemical stability and permeation resistance; furthermore, a processing technology is safe and reliable, low in cost and suitable for production equipment in the food industry.

The invention discloses plastic gravure waterborne ink, which belongs to the technical field of waterborne ink, and is characterized in that: water-soluble synthetic resin is prepared from the following components in percentage by weight: 25-35 parts of polyamide, 7-15 parts of an acrylic monomer, 5-15 parts of soybean oil, 1-6 parts of pentaerythritol, 8-15 pats of maleic anhydride, 0.0-1 part of magnesia, 30-40 parts of rosin and 1-3 parts of a crosslinking agent; water-soluble oleoresin is prepared form the following components in parts by weight: 45-50 parts of water-soluble synthetic resin, 15-20 parts of ethanol, 30-40 parts of water and 3-6 parts of ammonia water; and a plastic gravure waterborne ink product is prepared from the following components in parts by weight: 50-60 parts of water-soluble oleoresin, 10-30 parts of a pigment, 10-20 parts of water and 1-8 parts of an aid consisting of an active agent, a deforming agent, a stabilizing agent, a dispersing agent, a flatting agent and a slipping agent. The plastic gravure waterborne ink is environmentally-friendly, safe, nontoxic, harmless, noncombustible and non-explosive, does not pollute the atmospheric environment, is accordant with the food sanitation safety, and has high adhesive firmness, i.e., high adhesion.

A milk packaging film is a composite film formed by binding an outer film and an inner film via a binder layer. The outer film is a polyvinylidene chloride film, the binder is mono-component or two-component polyurethane solvent binder or non-solvent binder, and the inner film is a black and white polyethylene film. The manufacturing method of the milk packaging film comprises the steps of heating the outer polyvinylidene chloride film via a heating device; placing on an unwinding shaft of a film-coating machine; passing through an unwinding machine; adjusting via a flattening device, a tension control device and an edge guide device; coating binder; and laminating with the inner film treated by the flattening device, the tension control device and the edge guide device. The inventive milk packaging film has the advantages of high heat-sealing strength, high mechanical strength, stable chemical properties, resistance to oil and fat, solvent, acids, bases and salts, no chemical reactions with foods, good food sanitation performance, high-temperature steaming resistance, no deformation, no cracking, good printability, and low cost.

The invention relates to a method and a device for generating a monopole radio-frequency capacitance coupling low-temperature plasma under atmospheric pressure, the mixed gas of inert gas and air is used as a discharge working gas, the generated plasma easily acts on a processed object through an open type structure of a discharge region, and the invention can solve the problem of applied range limitation caused by structural fixation of a traditional plasma generating device, overhigh macroscopic temperature of the plasma and overhigh particle energy density in the plasma and can solve the problem of application in complex environments. The invention has the following characteristics that the plasma with low macroscopic temperature and moderate particle energy density is generated under the conditions of atmospheric pressure, low voltage and room temperature, the invention is applicable in the fields of medical sanitation, food sanitation and the like, and meanwhile, an open type plasma generating mode with low cost and less energy consumption can be used in the medical application fields of medical sterilization and disinfection in the complex environments such as dental decayed teeth and the like, medical sterilization and disinfection of cosmetic minimally invasive operations, cellular level operations and the like and the fields of food fresh keeping and the like.

The invention discloses a cutter for a food cutting machine, which comprises a cutter and a pressure roller close to the cutter. The pressure roller rotates around a fixed shaft, and the bottom end of the pressure roller is higher than that of a cutter blade. When food passes through the bottom end of the pressure roller and is cut by the cutter blade, the pressure roller rolls around the shaft to provide a downward pressure, and the cutter used with the food cutting machine can replace manual operation for food cutting, so that operating efficiency is greatly improved, production cost is reduced, and safety of operators and food sanitation are guaranteed.

A health-care food for protecting gastric mucosa contains chitosan (15-95 wt.%) and carragheenin (5-85 wt.%), and is prepared from the edible marine living things through extraction and separation of effective components. Its advantages are high effect and no by-effect.