7093 results about "Food safety" patented technology

The present invention provides systems, devices, apparatuses and methods for automated bioprocessing. Examples of protocols and bioprocessing procedures suitable for the present invention include but are not limited to: immunoprecipitation, chromatin immunoprecipitation, recombinant protein isolation, nucleic acid separation and isolation, protein labeling, separation and isolation, cell separation and isolation, food safety analysis and automatic bead based separation. In some embodiments, the invention provides automated systems, automated devices, automated cartridges and automated methods of western blot processing. Other embodiments include automated systems, automated devices, automated cartridges and automated methods for separation, preparation and purification of nucleic acids, such as DNA or RNA or fragments thereof, including plasmid DNA, genomic DNA, bacterial DNA, viral DNA and any other DNA, and for automated systems, automated devices, automated cartridges and automated methods for processing, separation and purification of proteins, peptides and the like.

The invention provides a platform technology with rich ability to flexibly perform, create, deploy, maintain, and update a wide range of panels, assay, array, and/or sequence of tests for a wide range of substances and pathogens. The invention provides a unifying framework for widely-ranging miniature sensor implementation, fluidic/gas interfacing, electrical interfaces and optical interfaces, and further by collocating, allowing the integration a large number highly-selective sensors and chemical sensors—together as needed with appropriately selected supplemental sensors (for example temperature, pH, selective ions, etc.), into a common readily-manufacturable framework. The diverse sensor arrays give rise to statistical enhancing through novel statistical processing approaches. The invention is deployable and useable in a wide range of situations previously unavailable, and addresses many otherwise problematic aspects of field testing for food safety, water safety, epidemic outbreaks, routine diagnosis, and disease monitoring.

A food safety device for placement on a product is disclosed. The food safety device comprises one or more sensors that measure at least one condition of the product and/or its environment, one or more visual indicators that are configured to display a visual indication of freshness and/or safety of the product. An antenna transmits and receives data regarding the at least one measured condition of the product and the freshness and/or safety of the product. A logic module executes programmable logic to determine the freshness and/or safety of the product from the at least one measured condition of the product, to cause the one or more visual indicators to display a visual indication of the freshness and/or safety it determines, and to transmit and receive data regarding the at least one measured condition of the product and the freshness and/or safety of the product via the antenna.

The invention discloses a soil heavy mental repairing agent and a preparation method and an application thereof. The soil heavy mental repairing agent is composed of an organic material, a mineral raw material, a carbon material, an inorganic fertilizer and a microbial agent, wherein the viable count of the microbial agent is 1*10<7>-1*10<10>, the content of N, P2O5 and K2O is 8%-15% of the content of total nutrient, the content of the organic material is 20%-40% and pH is 5.5-8.5. The invention also provides an application method of the soil heavy mental repairing agent. The dosage is 80-150kg/mu; the effective heavy metal content of the soil can be effectively reduced; the heavy metal absorption of the crop can be obviously restrained; the crop yield and quality can be improved; the yield and income can be increased; the soil heavy mental repairing agent has significance in promoting social stability, economic growth and environmental diplomacy and guaranteeing ecological safety, food safety and human health.

The invention discloses a fluorescent microsphere immunity-chromatography test strip for detecting food-borne pathogenic microorganisms in a rapid, specific, qualitative and quantitative manner and a preparation method thereof. Filter paper, a sample pad, a glass fiber membrane spray-painted by fluorescent microsphere marked food-borne pathogenic microorganism monoclonal antibodies or polyclonal antibodies, a nitrocellulose membrane and drinking paper are stuck to an underplate orderly in a related joint manner; the food-borne pathogenic microorganism monoclonal antibodies or the polyclonal antibodies are coated on the nitrocellulose membrane and are used as a detection area; and anti-mouse antibodies are coated on the nitrocellulose membrane and used as a quality control area. The test strip has the preparation steps as follows: (1) samples to be detected are processed; (2) the nitrocellulose membrane is prepared; (3) a fluorescent microsphere pad is prepared; (4) the test strip is assembled; and during the detection process, the CCD scanning technique is utilized to collect all emission spectrums, and then the emission spectrums are analyzed through a fluorescence analyzer and relevant software after accumulation and multiplication, so that the quantitative detection is realized. The fluorescent microsphere immunity-chromatography test strip and the preparation method thereof are mainly used for qualitative and quantitative detection of all the food-borne pathogenic microorganisms in food safety inspection.

The invention relates to a core premix for organic beef cattle, which comprises the following components in percentage by weight: 10-40% of compound galenical preparation, 10-40% of compound enzyme preparation, 10-30% of compound micro-ecological preparation, 20-40% of natural mineral substances, 15-30% of natural vitamins and 5-30% of other preparations. The product can be mixed with organic crop straws, corn, cakes, wheat bran, grass powder, iodized salt, bone powder, calcium powder and the like in certain proportions to be used as a diet for the beef cattle; and by feeding the beef cattle with the diet all year round, not only the immunity of the organic beef cattle can be improved in the feeding process, but also the quality and taste of the beef are improved. Because the product uses the galenical preparation of a plurality of natural traditional Chinese medicines such as cordate houttuynia, honeysuckle flower, radix astragali, forsythia, tuckahoe, fleece-flower root, atractylodes rhizome, white atractylodes rhizome, hawthorn, liquorice and the like as additives to replace the western medicines and antibiotics, uses the compound enzyme preparation to improve the feed utilization ratio and uses the compound micro-ecological preparation to improve the intestinal tract environment of the beef cattle, thus ensuring the food safety of the organic beef.

The invention discloses a frame construction of an automatic stereowarehouse, a piler is positioned on a guide rail and used for loading and unloading and transporting goods; a plurality of aisle racks are positioned under the guide rail and used for storing the goods loaded by the piler; a buffering shelf is positioned between the in-out window of the warehouse and the aisle racks and used for the temporary storage of the incoming and outgoing goods; an automatic incoming and outgoing mechanism is positioned between the in-out window of the warehouse and the buffering shelf and used for incoming and outgoing the goods; and a computer is in communication connection with the servo-control system and the automatic incoming and outgoing mechanism of the piler and used for controlling and managing the goods of the warehouse. The piler which takes a crown block and the linear guide rail as the basis is matched with the buffering technique and the automatic transmission mechanism to realize the automatic stereowarehouse which can adapt to deep cooling environment. The frame construction has the advantages of high degree of automation, low energy consumption and low cost, is applicable to middle-size and small-size deep cooling quick-freeze warehouses, and has positive realistic meaning and social and economic profits for saving energy, improving the working conditions of workers and guaranteeing food security.

The invention discloses a test paper strip for the fluorescent bead immunochromatography of veterinary medicine remained in a detected sample and a preparation method thereof. A filter paper, a sample pad, a fiberglass membrane, a pyroxylin membrane and water sucking paper are sequentially stuck on a base plate in related joint; fluorescent beads are sprayed on the pyroxylin membrane for marking a veterinary medicine resistant molecule monoantibody; the pyroxylin membrane coated with a veterinary medicine molecule holoantigen is used as a detection region; the pyroxylin membrane coated with an anti-mouse antibody is used as a quality control region; and the test paper strip is prepared through the following steps: (1) the preparation of the pyroxylin membrane; (2) the preparation of a fluorescent bead pad; and (3) the assembling of the test paper strip. In the detecting process, emitted spectrums pass through a proper optical filter device; and all the emitted spectrums are collected through CCD scanning technology, are congregated, are multiplied and are analyzed through a fluorescence analyzer and relevant software to obtain a quantized fluorescence signal, thereby realizing quantitative detection. The test paper strip is mainly used for the qualitative detection and the quantitative detection of all the veterinary medicine classes in food safety detection.

The invention relates to the fields of analytical chemistry and food safety, in particular to a method for detecting the residual quantity of multiple alkaline drugs in animal derived food. Based on the vortex mixed extracting of acetonitrile, isopropanol and citric acid buffer solutions, the purification of a hydrophilic polystyrene-divinylbenzene solid phase extraction column and a cation exchange solid phase extraction column and the liquid phase chromatography-mass spectra determination, the method can detect the residual quantity of multiple alkaline drugs in pork, pork liver, eggs, shrimps and milk, such as beta-receptor agonists,sulfonamides, benzodiazepines, nitroimidazoles, benzimidazoles and triphenylmethanes. The method has the advantages of simple operation, fast and accurate detection and high efficiency.

The invention relates to a preparation method of a biological preservative. As known to all, along with the rapid development of the society, chemical preservatives have been used in food, have strong impact on food safety and endanger the health of consumers, therefore, the use of preservatives causes great concern of government departments and consumers. According to the biological preservative, natural plants and microbial antibiotic substances are used as base materials, for example, the biological preservative is prepared by mixture of carboxymethyl chitosan, xylooligosaccharide, nisin from lactic streptococci, acetic acid, lactobacillus reuteri, pediococcus acidilactici, calcium citrate, ionized calcium, lactic acid, plant essential oil and water. The biological preservative can inhibit growth of harmful microorganisms by antagonistic and competitive inhibition effects among different microorganisms and produce extracted and separated components of antibacterial active ingredients having antifungal and antibacterial functions in normal growth and metabolism processes, thereby achieving antiseptic and fresh-keeping effects.

Food products, such as precooked meats, sausages, and the like are microbially decontaminated in their cooking packages to remove surface microorganism contamination from the packages. The cooking packages are removed and the food products optionally subjected to further processing, such as slicing, and then packaged in aseptic packaging. The microbial decontamination step, further processing and packaging are carried out in a clean room which is maintained to a high level of sterilization or disinfection to minimize or eliminate contamination of the food products with pathogenic microorganisms such as Listeria Monocytogenes. The food products thus leave the packaging plant with a much higher assurance of food safety than is found in a conventional packaging plant.

The present invention provides a food preservation system that includes a multi-phase bacterial inhibition food pad. The food pad includes absorbent media and/or material to absorb fluids emanating from the packaged food. The absorbent media/material includes one or more bacterial inhibitors that may possess bacteriostatic and/or bactericidal properties. In addition, the food pad may also include an atmosphere modification system capable of modifying an atmosphere in a food package. Optionally, one or more reaction promoters and/or one or more mechanisms to protect the food preservation system may also be included in the food pad. Overall, the food preservation system inhibits bacterial growth, thereby enhancing food preservation and/or food safety.

A combined X-ray and laser 3D imaging system for food safety inspection, which uses a 3D laser subsystem to get accurate depth information, which is further combined with an x-ray image to achieve accurate physical contamination detection in poultry and other meat products. A unique calibration model is used to calibrate the x-ray and laser 3D imaging systems at the same time. And a nested multi-thread software structure is implemented to prevent data conflict and ensure fully use of system resources during the physical contamination detection of the poultry and other meat products.

The invention relates to an agricultural planting and breeding-based Internet of things cloud service system, which comprises a cloud terminal node core network element, a ubiquitous information transmission network core network element and a cloud service center core network element. The agricultural planting and breeding-based Internet of things cloud service system has the advantages of combining internet of things and cloud computation with agricultural planting and the breeding industry, realizing butt joint between the internet of things technology and the cloud computation technology in the agricultural planting and breeding information service, better solving a plurality of problems existing in current protected agriculture and public agricultural product information service, realizing access of scale farming perception terminals and fusion of mass data traffic, effectively reducing the using threshold of agricultural information server according to an SaaS (Software as a Service) model to be served, improving the agricultural information service efficiency, providing automatic, refined and intelligentized management and control on various production and operation links for producers and managers in the agricultural planting and bleeding process, providing traceability management for agricultural product information for consumers, enhancing safety management and control of agricultural products and reducing the food safety accidents.

The invention discloses a medlar and red date enzyme and a preparation method thereof, which belong to the technical field of enzyme preparation. Multi-strain composite fungi powder is adopted as a leavening agent; the medlar and the red date are adopted as main raw materials; dietary fiber, pectin hydrolyzate, seasoner extracting liquor, Chinese herbal medicine extracting liquor, enzyme stabilizer and other multifunctional auxiliary raw materials are scientifically compounded and modified; low-temperature processing technology such as ultrasonic cleaning, cryogenic grinding, microwave-assisted high-voltage pulse electric field processing and ultrasonic ripening are mainly adopted in the whole process, so that the natural colors, the flavor, the taste and the content of the active materials of the medlar and the red date are maintained furthest, the biological stability, the non-biological stability and the biological activity of the medlar and red date enzyme are obviously enhanced, the introduction of chemical addition agent is reduced, and the juicing rate of the medlar and the red date as well as the food safety of the enzyme are improved. Finally, the medlar and red date enzyme with high biological activity, strong stability, strong taste, flavor and appetite, long expiration date and edible safety is prepared.

The invention relates to a planting method of Dendrobium officinale, and belongs to the technical field of plant cultivation. The invention provides a planting method of Dendrobium officinale which has high survival rate after transplanting tissue culture seedlings, rapid growth, high output, high medicinal value, little pesticide application and fewer pests, and the nutrition ingredients of the Dendrobium officinale are close to those of the wild Dendrobium officinale. The method comprises the following steps of: A, preparing a seed bed; B, preparing a flowerpot; C, field planting; D, watering; E, fertilizing; F, pest controlling and preventing; and G, controlling temperature and humidity. By the method, the survival rate of the Dendrobium officinale can be achieved to above 98%; and the incidence rate of insect pests can be obviously reduced. Through spraying by biogas slurry, the leaf stem of the Dendrobium is fleshy; the nutrition ingredient content is high; the incidence rate of insect pests can be reduced; the pesticide usage amount is reduced; the cost is reduced; and the food safety is improved. The Dendrobium officinale planted by taking the processed sheep manures and rapeseed meal as the top application has higher nutrition ingredient content and better medicinal effect; and the Dendrobium officinale can be harvested after 18 months.

A full-automatic cooking vending machine comprises a machine shell, food storage boxes, a food ingredient refrigeration storage, food ingredient transfer machines, an ingredient injector, a vegetablefryer, a rice cooker, a bun steaming machine, a finished-product storage machine, a porridge cooker and a packing conveyor. An order platform, a user identification device, an order information promptdevice and a food taking platform are arranged on the machine shell; when a customer takes an order on the order platform and scans to confirm taking food on a food taking port in the food taking platform through the user identification device, the finished-product storage machine takes out a food box corresponding to the order and puts the food box on the packing conveyor, a food taking manipulator grips the food box to have the food box packed through a food box packer, and the corresponding ordered food box is transferred to the food taking port after the order is printed. Through full-automatic site production of the food, no outside contact during food production is realized, secondary pollution is avoided, food safety without manual pollution is guaranteed, functions of food storage, automatic vegetable frying, automatic rice cooking, automatic bun steaming, automatic porridge cooing, automatic storage and heat preservation and the like are integrated, and diversified dining needs can be provided.

The invention discloses a microorganism preparation for improving cultivation water. The microorganism preparation is characterized in that raw materials include 20-40% of bacillus subtilis, 20-40% of bacillus amyloliquefaciens, 20-50% of saccharomyces boulardii and 5-10% of rhodopseudom onas palustrisand. A preparation method comprises the steps of: respectively inoculating the bacillus subtilis, the bacillus amyloliquefaciens, the saccharomyces boulardii and the rhodopseudom onas palustrisand into corresponding culture media to obtain seed culture solutions; inoculating the seed culture solutions into the culture media according to proportion in sequence for fermentation, and performing high-speed centrifugation to obtain high-concentration bacilli liquid; transferring the bacilli liquid into a matrix, mixing, granulating, drying and crushing. After the microorganism preparation disclosed by the invention is used, the cultivation water becomes clear, water change amount is reduced remarkably, water resources are saved, and pollution caused by outward emission is reduced. Due to improvement of the quality of a water environment, drugs used for aquaculture products are reduced, antibiotic pollution is reduced, the food safety requirement is met, and product quality is ensured.

A colorimetric reagent in the form of nanoparticles, composite nanoparticles, and nanoparticle coatings, including methods of use, methods of preparation, deposition, and assembly of related devices and specific applications. The colorimetric reagent comprises cerium oxide nanoparticles which are used in solution or immobilized on a solid support, either alone or in conjunction with oxidase enzymes, to form an active colorimetric component that reacts with an analyte to form a colored complex. The rate of color change and the intensity of the color are proportional to the amount of analyte present in the sample. Also described is the use of ceria and doped ceria nanoparticles as an oxygen storage/delivery vehicle for oxidase enzymes and applications in biocatalytic processes in anaerobic conditions of interest in biomedicine and bioanalysis. Further described are a variety of related applications of the disclosed technology including clinical diagnosis, in vivo implantable devices, food safety, and fermentation control.

The invention aims to provide a cold chain transportation tracking system based on Internet of Things. The system can realize monitoring of a whole cold chain process and can realize traceable management and can perform centralized integration on all data in the cold chain transportation process. According to the invention, a comprehensive information service platform is connected with a data collection integration processing module and a cold chain detecting instrument platform electrically. The data collection integration processing module is connected with an intelligent IoT vehicle 4G network temperature control terminal electrically. The intelligent IoT vehicle 4G network temperature control terminal is connected with the cold chain detecting instrument platform, a 4G real-time communication food safety quick detecting instrument and an RFID temperature recording label/reading device electrically. By adopting the above technical scheme, monitoring of a whole cold chain process is realized and traceable management and centralized integration on all the data in the cold chain transportation process are achieved. Therefore, superiority of cold chain transportation is ensured and the system has a good application value in cold chain transportation industry.

Computer-implemented techniques for interactively training a user in performing a predetermined task related to at least one of food safety, workplace safety and food quality using a head wearable device are provided. The head wearable device comprises a digital display positioned within a field of view of the user, a camera to capture visual data from a first-person perspective, a user input device to provide control signals, and a processor. A series of steps are visually presented on the digital display in a predetermined order to direct the user through a process of performing the task. Visual data captured by the camera and the control signals provided from the user input device are analyzed during performance of one or more steps of the task. The computer-implemented techniques evaluate the user's performance of the one or more steps based on analysis of the visual data and the control signals.

The invention discloses a block chain technology-based food quality safety management system and a food quality safety management method. The system comprises a storage layer, a service layer, an interface layer, a function layer, a management layer and a user layer. The method comprises the steps of food quality intelligent management and food quality safety control. According to the invention, the block chain technology has the advantages of de-centralization, information transparency, non manipulation and the like. In combination with the internet of things sensor technology, the automaticdata acquisition is realized. Through the big data technology, the data information can be mined and analyzed. Therefore, a distributed, efficient and reliable food safety source tracing system is established. In addition, an intelligent contract is established, so that the automatic processing of the information is realized. A trust relationship between nodes is established according to a mathematical method. As a result, the third-party guarantee is not needed, and the transaction can be directly carried out between enterprises. The enterprise efficiency is greatly improved, and the cost isreduced.

The invention provides modified biomass charcoal for treating arsenic pollution as well as a preparation method and an application of the modified biomass charcoal. The preparation method of the modified biomass charcoal comprises steps as follows: (1) biomass raw materials are charred, and the biomass charcoal is obtained; (2) the biomass charcoal is subjected to a reaction with a hydrochloric acid solution, solid-liquid separation is performed, a solid substance is obtained, is washed till the pH is neutral and then is dried, and the pretreated biomass charcoal is obtained; (3) the pretreated biomass charcoal and a FeCl3 solution are subjected to a reaction under the condition that the solution pH is neutral, solid-liquid separation is performed after the reaction, and mud cake is obtained; (4) the mud cake is dried and then washed till the pH is neutral, solid-liquid separation is performed, an obtained solid is dried for a second time, and the modified biomass charcoal is obtained. The modified biomass charcoal has large specific surface area and high iron content; the preparation method is simple and easy to operate; the modified biomass charcoal can be applied to treatment of arsenic waste and passivation of arsenic in farmland soil, and food safety is guaranteed.