436results about How to "Reduce spoilage" patented technology

A refrigerated pet feeding assembly with a removable thermally conductive dish designed to contain food, water or both that is continuously cooled by a thermoelectric Peltier-effect conditioning source and powered by an external dc voltage source such as a wall mount power supply or battery. The invention will maintain the contents of the feeding dish at cool refrigerated temperatures slowing the growth of bacteria.

The invention provides a probiotic fruit and vegetable enzyme drink and a preparation method thereof. Fruits and vegetables as well as four-in-one PPHR Lactobacillus powder (including Lactobacillus paracasei, L. plantarum, L. helveticus and L. rhamnosus) are mixed and the obtained mixture is fermented, and the obtained fermented product is the probiotic fruit and vegetable enzyme drink. Compared with the prior art, the preparation method has the advantages that the fermentation process can be shortened, the fermentation process can be simplified, the nutritional value of fruit and vegetable juice can be increased, the fruit and vegetable juice is endowed with higher oxidation resistance, and the application range of Lactobacillus in food, particularly drinks, is broadened.

The invention belongs to the technical field of agricultural cultivation, which comprises a comprehensive treatment method for livestock and poultry breeding industry pollution, a special feed bridging agent, a biological edible warm pad and biological organic fertilizer; wherein, the comprehensive treatment method for livestock and poultry breeding industry pollution is realized by the steps as follows: (1) the livestock and poultry are fed by the feed bridging agent which is prepared by that probiotic bacterial flora is enlarged for cultivation and inoculated to natural organic matter for fermentation; (2) the livestock and poultry cultivation ring is padded by the biological edible warm pad which is prepared by the fermentation by matching the probiotic bacterial flora and the biological organic raw material; (3) the biological edible warm pad mixed with the dejecta of the animals is added into microbial flora so as to prepare the completely rotten biological organic fertilizer. The treatment method of the invention has the advantages that the feed is sufficiently absorbed in the animal body, the nutrition drainage is reduced, the feed is saved and the pollution is reduced; no waste gas and no waste matter are generated during the cultivation process; the pollution source is thoroughly eliminated; the pollution of the cultivation on the environment is radically solved; the dejecta of the animals is processed in situ and the organic fertilizer is produced.

The invention discloses a water purifying method of waterless source waters and device, which comprises the following steps: including recharge craft, hydrologic cycle craft, water quality physical disposing craft; water quality chemical disposing craft, accelerate vertical motion of water and aerate craft, rainwater collecting and purifying craft, ecological restoring craft and composite control device; proceeding automatic control; installing make-up water pump room, device room, element depositing tank, filtering tank, purifying tank, catch frame, pump, make-up water pipe, circulating pump, disposing pump, charging pump and air blower; installing make-up water pump room, device room, element depositing tank, filtering tank, purifying tank, clean water pump under floor.

The invention discloses a salmonella phage LPSE34. The preservation number of the salmonella phage LPSE34 is CCTCC NO 2018121. The phage is a broad-spectrum salmonella phage and can crack drug-tolerant salmonellas, it is identified that the phage belongs to myoviridae, and the phage is named as LPSE34. The phage LPSE34 is stable in titer at the pH of 4-12 and the temperature of 30-60 DEG C. The invention further discloses application of the salmonella phage in food, especially in chicken and ham systems; and in addition, the invention further discloses a compound edible coating film formed bytaking the phage as an antibacterial substance to be combined with sodium alginate, and compared with antibiotics and chemical preservatives, the phage cannot affect the texture and flavor of food andhas the characteristics of high specificity, no residue and safety. The salmonella phage LPSE34 can serve as a bacteriocidal substance/the antibacterial substance to control pollution of food-borne pathogens to the food and is a very promising biological agent for guaranteeing the food safety.

The invention relates to a refrigerated transport monitoring system for cold-chain logistics. The refrigerated transport monitoring system is characterized in that a sensor node module is used for transmitting an electric signal corresponding to acquired environmental data to a signal processing module; the signal processing module is used for transmitting digital signal converted from the electric signal to a central control unit; the central control unit is used for judging whether the digital signal is larger than a threshold or not; if so, the central control unit reads current geographical position information of a refrigerated truck through a positioning module, and determines optimal address information; and meanwhile, the central control unit transmits alarm information generated through a gateway to a cloud server and a mobile terminal respectively. Through adoption of the refrigerated transport monitoring system, the environmental parameters of temperature, moisture and air pressure can be monitored in real time in order to prevent cold-chain products from deteriorating in a refrigerated transport process. Meanwhile, the mobile terminal also displays the address of a refrigeration station closest to the current position of the refrigerated truck in real time, so that transport personnel can transfer the cold-chain products immediately, and product deterioration due tounexpected failure of refrigeration equipment is further reduced, thereby reducing economical loss.

The invention discloses a microwave resonant atomizer (2) for an electronic cigarette. The microwave resonant atomizer comprises an oil storage unit (21), an atomizing unit (22), an upper cover plate(23) and a suction nozzle (24), wherein a microwave resonant cavity (221) is formed in the internal space of the atomizing unit (22); and a coupling hole (225) is formed in the side wall of the microwave resonant cavity (221), and the outer side wall of the microwave resonant cavity (221) with the coupling hole (225) can be covered with an energy coupling (224). When being applied to the electronic cigarette, the microwave resonant atomizer has the advantages that instant heating is realized, the efficiency is high, heat uniformity is good, non-contact atomization is realized, the low temperature sterilization of tobacco tar can be realized, and the like.

The invention relates to the technical field of logistics distribution, in particularly to freight transport system based on unmanned child-mother vehicles and a freight transport method thereof. Thegoods vehicle comprises a driverless bus, a self-driving sub-vehicle and a control system for controlling the parent vehicle and the sub-vehicle, a set of deck lifting motors and a deck mounted on thelifting motors are arranged in the carriage of the bus car, the rear part of the bus car is provided with a lifting type car door. The shipping method comprises a preparation process, a boarding process, a transport process, a discharging process, a distribution process and a returning process. The invention has the advantages that no freight driver, porter and freight distribution worker is needed, the problem of freight handling is solved, the handling damage of the goods is reduced, the safety factor and logistics efficiency of the freight are greatly improved, and the deterioration problem of the food goods to be distributed is reduced.

The invention discloses a commodity quality detection system based on big data. The system comprises an airtight detection module, a temperature acquisition and analysis module, an illumination intensity statistics module, a humidity acquisition and pretreatment module, a commodity storage database, a modeling and analysis server and a display module, wherein the modeling and analysis server is connected with the airtight detection module, the temperature acquisition and analysis module, the illumination intensity statistics module, the humidity acquisition and pretreatment module, the commodity storage database and the display module; the commodity storage database is connected with the temperature acquisition and analysis module, the illumination intensity statistics module and the humidity acquisition and pretreatment module. According to thecommodity quality detection system, quality of each commodity in different storage environments is evaluated by detecting the temperature, humidity and illumination intensity in the commodity storage environments and combining the height of packaging bags, the commodity deterioration evaluation coefficient of each commodity type is analyzed,reference is provided for commodity storage, and accordingly, the deterioration speed of the commodities is reduced, and quality of thecommodities is improved.

The invention relates to a tissue control method for near-eutectic cast aluminum-silicon alloy. The method comprises the following steps: preparing raw materials, namely commercially pure aluminum, ZL102, Al-Sr, Al-B and one of Al-La, Al-Ce and Al-Re, in a manner that the raw materials contain the following ingredients in percentage by mass: 9-12% of Si, 0.05-0.5% of B, 0.01-0.1% of La, Ce or RE, 0.02-0.03% of Sr and the balance of Al; then carrying out smelting of the following steps: preheating the raw materials, heating an empty furnace, then, adding ZL102 and the commercially pure aluminum, and heating for melting; adding a sodium-free refining agent of which the mass accounts for 0.4-0.6% the total mass of the raw materials; treating a melt treated in the step (2) by adopting a boron and rare-earth combined refining method; carrying out secondary refining treatment on the melt; cooling to 690-700 DEG C, adding an Al-Sr alterant after temperature is stabilized, pressing the alterant into the bottom of the melt, and stirring, so as to enable the alterant to be thoroughly dissolved into the melt; carrying out heat preservation for 10-20 minutes at the temperature of 700 DEG C, then, heating to 720-730 DEG C, casting the melt into a metal mold which is preheated at the temperature of 200-250 DEG C, cooling, and then, taking out a casting.

The invention relates to sprouted beans and a preparation method thereof. Existing sprouted bean products cannot satisfy market requirements and expectations. According to the invention, beans are processed with the methods such as impregnating, sprouting, freezing, and the like, such that frozen sprouted beans with sprout lengths from 1mm to bean length are obtained; specific spectral radiation and nutrition enhancing treatments are carried out according to different requirements, such that sprouted beans suitable for different populations and with good nutritional and dietotherapy values are obtained. The beans include soybeans, black beans, mung beans, chickpeas, coffee beans, and the like. The sprouted beans can be eaten as bean foods, and can be used as raw materials of various processed bean foodstuffs and applied in processed foodstuffs and health-care foodstuffs.

The invention discloses laminated material laminating glue and a preparation method thereof. The laminated material laminating glue comprises components A and B. The component A comprises, by mass, 17.7% to 25.4% of deionized water, 39% to 63% of a water-based emulsion, 1% to 5% of a plasticizer, 2% to 4% of polyvinyl alcohol, 0.1% to 0.2% of a chelating agent, 0.1% to 0.2 % of a dispersant, 0.05% to 0.1% of a defoamer, 16% to 26% of calcium carbonate and 0.05% to 0.1% of a bactericide. The component B comprises polyaryl polymethylene isocyanate. The preparation method comprises preparing a modified polyvinyl alcohol solution from deionized water, polyvinyl alcohol and the chelating agent, orderly adding the water-based emulsion, the plasticizer, the dispersant and the defoamer into a dispersion kettle, slowly adding calcium carbonate into the dispersion kettle, carrying out dispersion to obtain uniform glue slurry, adding a polyvinyl alcohol modification solution and a bactericide into the glue slurry to obtain the component A and mixing the component A and the component B. The laminated material laminating glue is used for splicing of various laminated materials, has high splicing strength, a long application period, excellent heat resistance and excellent water resistance, resists water boiling and can reach the wood breaking strength.

The invention relates to a preparation method of an edible and nutrient composite fruit-vegetable coating preservative. The method comprises the following steps: adding pectin into deionized water so as to prepare a pectin solution; adding whey protein into the deionized water so as to prepare a whey protein solution; mixing the pectin solution with the whey protein solution; stirring and emulsifying; adding a plasticizer, tripotassium citrate anhydrous and calcium propionate; stirring; and performing vacuum degassing so as to prepare the composite coating preservative. The method is simple, strong in operability and low in cost; and the coating preservative is rich in nutrition. A preservative film prepared from the coating preservative is good in stability, high in strength and good in water resistance and has a good effect for inhibiting spoilage microorganisms so as to prolong the shelf life of fruits and vegetables.

The invention relates to oil-proof wrapping paper and a preparation method thereof and belongs to the technical field of food wrapping paper. According to the invention, a double oil-proof technologyis adopted, fluorobenzoyl chloride, dimethyl formamide and plant fiber microfilaments are mixed according to a certain proportion, oil-proof plant fiber microfilaments are prepared under certain reaction conditions, nanometer celluloses are subjected to fluorine-containing modification preparation by using the same method, and the double oil-proof wrapping paper is prepared by paper-making and surface application. The oil-proof wrapping paper and the preparation method thereof provided by the invention have the beneficial effects that the interior oil-proof performance and the surface oil-proof performance of the oil-proof wrapping paper are improved, and through double oil-proof treatment on the interior and the surface of pulp, the product achieves high oil-proof performance; in addition, the oil-proof wrapping paper is good in oil-proof performance, enhancement performance and barrier performance, so that the product grade and the value added are improved; moreover, the oil-proof wrapping paper prepared by the preparation method provided by the invention needs not be coated or waxed, so that the environmental protection performance, the safety, the oil-proof efficiency and the strength of the oil-proof wrapping paper are improved, and the application range is expanded.

A distributed relative humidity and temperature sensing system with optional gas assay functionality, comprising a sample head internally equipped with: 1) A relative humidity sensor; 2) A temperature sensor; 3) A gas sample port for the attachment of a gas assay device, or, an integral gas assay device; and, 4) A fan. The sample head is attached to a semi-rigid sample tube embedded in a stored mass of agricultural product and the aforementioned fan causes air from within the stored mass to be drawn through the sample head where its relative humidity, temperature, and optionally, chemical composition may be studied. An alternative embodiment allows for the deployment of a complex network of sample tubes so that samples may be drawn as required from a number of points within the stored mass.

The invention discloses a superhigh-pressure fresh keeping method for fresh rosa roxburghii. The superhigh-pressure fresh keeping method comprises the following steps of cleaning the rosa roxburghii: cleaning the rosa roxburghii with ultrasound high-pressure water cleaning equipment for 15-25 minutes; removing stabs of the rosa roxburghii: removing the external stabs of the rosa roxburghii fruits with a rotary mill; weighing the rosa roxburghii and loading the rosa roxburghii in bags: based on the unit of 3-8 kilograms of the rosa roxburghii in each bag, loading the rosa roxburghii in HDPE bags; injecting water for vacuum sealing: injecting reverse osmosis water to the HDPE bags loaded with the rosa roxburghii, and performing vacuum sealing to form rosa roxburghii water bags; using a superhigh-pressure processing technique, putting the rosa roxburghii water bags in a processing container of a high-pressure processing machine, and applying stationary liquid pressure of 100-800MPa, wherein the processing time is 5-10 minutes; and taking out the processed rosa roxburghii water bags, and preserving the rosa roxburghii water bags under normal atmospheric temperature. According to the superhigh-pressure fresh keeping method disclosed by the invention, the original flavor and the nutrient value can be maintained, the refrigeration and circulation shelf life can be prolonged, and the superhigh-pressure fresh keeping method has the same food safety grade as a conventional thermization method, and maintains the characteristics of flavor and the like.

The invention aims to overcome the defects in the prior art and provides a method for producing chrysanthemum tea. The method comprises a planting method, a picking method and a processing method. The method has the advantages of overcoming the defects of high cost, low quality, low yield and poor conditions and further realizing the all-around '4GMP-10 Production Standard' of chrysanthemum tea, namely ecological standard, planting standard, picking standard and processing standard, therefore, the aims of producing chrysanthemum strictly in accordance with pharmaceutical standards, implementing the quality management in the whole production process, taking scientific quantitative planting means and implementing all-around scientific management are really fulfilled.

The invention discloses a Penaeus Vannamei ice temperature fresh keeping method combining with ice cube refrigeration. The method comprises the following steps: 1, preparing a biological fresh keeping agent solution, and dividing it into two parts; 2, preparing ice cubes from one part of the biological fresh keeping agent solution by an ice making machine; 3, flushing screened Penaeus Vannamei bodies by sterile water, cooling the Penaeus Vannamei bodies by crushed ice for 5-10min, and immersing the cooled Penaeus Vannamei bodies in the biological fresh keeping agent solution for 1-3min; 4, putting the ice cubes containing the biological fresh keeping agent in a stainless steel cylinder to realize a case that the Penaeus Vannamei bodies are surrounded by the ice cubes; 5, covering Penaeus Vannamei surfaces with a small amount of the crushed ice to fully cover Penaeus Vannamei by the ice cubes; 6, storing the stainless steel cylinder in a 2-8DEG C refrigerator; and 7, timely supplying the ice cubes containing the biological fresh keeping agent during the storage. Compared with the storage which is carried out only under pure water ice cube refrigeration conditions, the fresh keeping agent allows the shelf life of Penaeus Vannamei to be obviously prolonged by 7-8 days. The fresh keeping method of the invention, which is simple and easy to carry out, can accurately realize the ice temperature control and has a good fresh keeping effect, has a very good application value.

The invention discloses a method for refreshing pomfrets by using ice containing a composite biological refreshing agent. The method comprises the following steps of: (1) preparing composite biological refreshing liquid containing tea polyphenol and phytic acid; (2) adding glycerinum into the composite biological refreshing liquid; (3) freezing the composite biological refreshing liquid containing the glycerinum into ice blocks at the temperature of -18 DEG C; (4) cleaning the selected pomfrets with ice water, and draining for 2-3 minutes; (5) crushing the ice blocks containing the composite biological refreshing agent by using an ice crushing machine, and storing layered pomfrets and layered ice in a foam box to realize surrounding of crushed ice for the pomfrets; (6) putting the foam box in a refrigerated cabinet with the temperature of 1-4 DEG C for storage; and (7) supplementing the ice containing the composite biological refreshing agent at proper time during the storage period. Compared with the method for refreshing pomfrets by using common ice, the shelf life of the pomfrets can be prolonged for 9-10 days by using the ice containing the composite biological refreshing agent. The method disclosed by the invention is simple and easy, is obvious in refreshing effect, reduces the waste of the pomfrets to a great extent, is a good method which can replace the common iced storage for refreshing the pomfrets, and has large potential for market application.

The invention relates to a film preservative. The film preservative is composed of the following components in percentage by mass: 0.8 to 1.5 percent of soybean polysaccharide, 0.6 to 1.0 percent of sodium alginate, 0.2 to 0.5 percent of citric acid, 0.1 to 0.3 percent of phytic acid, 3 to 5 percent of a waxberry extract, 5 to 7 percent of a honeysuckle extract, 0.08 to 0.2 percent of magnesium salt and the balance of pure water. The invention also relates to a preparation method of the film preservative and application of the film preservative in preservation of euphausia superba. Compared with the prior art, the film preservative has the advantages that a film can be formed on the surface of the euphausia superba so as to inhibit the invasion and the growth of pathogenic bacteria such as bacteria and fungi, the decaying deterioration of an euphausia superba body is prevented, the euphausia superba treated by the film preservative can be stored at the temperature of 0 to 4 DEG C, the taste and the quality of shrimp meat are guaranteed, and compared with the storage energy consumption of a conventional low-temperature storage method, the storage energy consumption of the film preservative is reduced.

The invention provides a natural fresh-keeping film-coating liquid for jelly salted pork, which is prepared through mixing 0.8-1.2% of lactic acid, 0.8-1.2% of chitosan, 0.008-0.012% of lactic streptostacin and balancing water.