264results about "Edible seed preservation" patented technology

The invention discloses a low-energy-consumption nitrogen-charging grain storage system and method, and relates to the field of nitrogen-charging grain storage. The method comprises the steps that compressed air is sequentially introduced into a filter set, a drying machine and a micro-oil adsorber to be purified and dried; stripping oxygen O2 molecules and water H2O molecules in the air by using a carbon molecular sieve pressure swing adsorption tower to obtain nitrogen N2 molecular gas; inputting nitrogen N2 molecular gas into a cold drying system, and cooling to a preset temperature range; detecting whether the concentration of the output nitrogen N2 molecular gas meets a preset concentration range or not by using an oxygen analyzer; and when the detected N2 molecular gas concentration of the nitrogen is lower than the lower limit of the preset concentration range, starting a circulating pump to suck the mixed gas in the closed warehouse to the carbon molecular sieve pressure swing adsorption tower for adsorption and nitrogen production again until the N2 molecular gas concentration of the output nitrogen meets the preset concentration range. Aiming at the problem that the nitrogen concentration in nitrogen-filled grain storage is difficult to accurately control in the prior art, accurate control of the nitrogen concentration and yield is realized.

The invention provides bacillus velezensis H5 capable of producing broad-spectrum antibacterial substances and application of the bacillus velezensis H5. The preservation number of the bacillus velezensis H5 in the China General Microbiological Culture Collection Center is CGMCC No.32671. The bacillus velezensis H5 is separated from sea mud in a specific sea area, can generate antibacterial substances with broad-spectrum antibacterial activity, and mainly comprises bacitracin, surfactin and mycostatin. The antibacterial substance of the bacillus velezensis H5 is applied to preservation of perishable fruits such as grapes and the like and mildew prevention of cereals such as corn and the like, and can effectively inhibit spoilage of the perishable fruits and synthesis of mycotoxins such as aflatoxin and the like, and the action effect of the antibacterial substance is obviously superior to that of a food preservative natamycin. The invention provides a novel, green, safe and broad-spectrum antibacterial substance for preservation and fresh-keeping of fruits and mildew prevention of grains, and has important application value.

The invention belongs to the technical field of milk tea raw material processing, and discloses a crushing device for preparing henry steudnera tuber and peanut milk tea. Comprising a crushing box, a base is fixedly connected to the bottom of the crushing box, an L-shaped plate is fixedly connected to one side of the crushing box, peanuts in a drying box are dried by starting a drying assembly to generate hot air, the humidity of the peanuts is reduced to the range suitable for crushing, and the oxygen content of the drying box can be reduced by arranging an oxygen removal assembly; according to the taro drying and smashing device, the peanuts are prevented from being oxidized during drying and smashing, the monitor is arranged, the temperature and humidity in the drying box can be monitored according to needs, when the temperature and humidity reach a proper range, the peanuts in the drying box can fall into the smashing box through the opening and closing assembly, and the taro can be dried in the same mode; and then the first motor can be started to drive the driving shaft and the blades to rotate, the peanuts and the henry steudnera tubers are smashed, and the problem that the humidity is high when the henry steudnera tubers and the peanuts are smashed is solved.

The invention discloses a preparation method and application of a PLA (polylactic acid) / PTFE (polytetrafluoroethylene) radiation refrigeration composite film based on an electrostatic spinning method, and belongs to the field of radiation refrigeration materials. And preparing the polymer radiation composite fiber membrane by adopting an electrostatic spinning technology. The obtained micro-nano size fiber film has a porous structure, can realize a strong Mie scattering effect on solar wavelength, improves the solar reflectivity of the radiation film, and realizes the reflectivity of 85% or above within the wavelength of 400-1400 nm and the relatively high infrared emissivity of 90% within the wavelength of 8-13 [mu] m. The radiation cooling composite film has great application potential value in the field of low-temperature grain storage.

The invention discloses a granary insect pest multi-parameter monitoring linkage control system and method, and relates to the technical field of agricultural automation. The problems that an existing granary insect pest monitoring means is single in data collection, the insect pest trend cannot be accurately pre-judged, and a prevention and control strategy lacks pertinence and is difficult to remotely manage are solved. According to the invention, multi-dimensional data are collected and preprocessed in real time, accurate and comprehensive pest and environment data are ensured to be obtained, and the pest recognition accuracy is significantly improved through feature extraction; an intelligent analysis and prediction model can pre-judge the pest trend in advance, and a traditional passive prevention and control mode is changed; a graded early warning mechanism and a precise control strategy can intelligently deploy prevention and control resources according to insect pest grades, so that the use of chemicals is reduced, and the prevention and control cost is reduced; a remote interaction function breaks space limitation, and managers can conveniently master the granary condition in real time and remotely regulate and control the granary; the risk of grain loss caused by insect pests is effectively reduced, the grain storage safety and quality are improved, and the granary management efficiency is improved.

An antifungal composition including a first essential oil, and a second essential oil, where the composition is configured to reduce disease onset, pathogen spread, or a combination thereof. Further, an antifungal compound including one or more aroma compounds selected from 4-(4-hydroxyphenyl)-2-butanone, furaneol, ethyl methylphenylglycidate, ethyl hexanoate, ethyl butanoate, beta-ionone, alpha-ionone, (R)-(+)-limonene, (S)-(-)-limonene, cis-3-Hexen-1-ol, nerol, linalool, 2-heptanone, alpha-terpineol, beta-damascenone, β-caryophyllene, ethyl 2-methylbutanoate, β-myrcene, gamma-octalactone, alpha-humulene, nerolidol, (E,E)-2,4-decadienal, (E,E)-α-farnesene, vanillin, phenylethyl acetate, citral, 3-methylbutan-1-ol, or a combination thereof.

The invention discloses a preparation method of tempeh with effects of reducing blood sugar and preventing thrombus, and relates to the technical field of tempeh preparation. The preparation method of tempeh comprises the following steps: (1) soybean detoxification; (2) peeling; (3) soaking; (4) steaming: steaming the soaked soybeans, after steaming, continuously steaming for 5-10 minutes by using an acetic acid aqueous solution with the mass concentration of 5-10%, taking out and cooling, and controlling the water content until the water content is 40-60%; and (5) performing fermentation: inoculating 0.2-0.7% of a rhizopus oligosporus leavening agent into the cooked soybeans, and performing fermentation at 15-35 DEG C for 1-3 days so as to obtain the fermented soybeans. The tempeh prepared by the preparation method disclosed by the invention has remarkable effects of resisting thrombus and reducing blood sugar, and is long in shelf life, rich in fragrance level and good in product quality.

The invention relates to efficient air temperature type air-conditioning intelligent equipment for grain storage, which is provided with a closed movable box body, an inner cavity is arranged in the movable box body, the inner cavity is divided into a closed gasification chamber and a closed adjusting chamber by a partition plate, and a main liquid inlet pipe, a gasification pipe module communicated with the main liquid inlet pipe and a collecting pipe group are arranged in the gasification chamber; a controller and a temperature control assembly are arranged in the adjusting chamber, the temperature control assembly can control the temperature, the pressure and the quantity of gas introduced from the collecting pipe set and then discharge the gas, the two ends of the collecting pipe set are connected with the gasification pipe module and the temperature control assembly respectively, a gas inlet end and a gas outlet end which are communicated with the gasification chamber are arranged on the movable box body, and a fan is arranged at the gas inlet end and / or the gas outlet end. The fan is electrically connected with the controller, the fan is driven by the controller to blow or inhale the gas mold pipe module, ordered gas flow is formed in the gasification chamber, and liquid gas in the gasification pipe module exchanges heat through flowing of the ordered gas flow outside the gasification pipe module. The device is ingenious in structure, efficient and convenient.

The invention belongs to the field of food processing, and relates to a flour whitening and sterilizing method combining ozone with an ultrahigh pressure technology, in particular to an application method for flour bleaching and sterilizing based on an ozone generator and a high pressure technology. Flour is ground through a grinding machine and sieved through a 100-170-mesh sieve; an ozone generator is connected with a sample reaction kettle, the flour sieved in the first step is added into the reaction kettle, ozone gas generated by the ozone generator is introduced into the sample reaction kettle, and ventilation is performed for 4-12 min; stopping ventilation, taking out the flour, and subpackaging the flour into sealed bottles; and putting the sealed bottle into an ultrahigh-pressure reaction bin, and pressurizing at 300-600 MPa for 3-5 minutes to complete whitening and sterilizing processing. According to the scheme, ozone is effectively and directly introduced into the flour layer to be mixed, and the ozone using effect is effectively improved.

The utility model belongs to the technical field of food production devices, and particularly relates to a grain product continuous sterilization device which comprises a tank body, a rotating rod is rotatably arranged in the center of the bottom end in the tank body through a bearing, and the bottom end of the rotating rod rotatably penetrates through the bottom of the tank body. A spiral conveying paddle is fixedly arranged on the portion, located on the inner circumferential face of the tank body, of the rotating rod, the output end of the servo motor is fixedly connected to the bottom end of the rotating rod through a coupler, and a hollow disc is fixedly arranged in the center of the top end in the tank body through a fixing frame; the bottom end of the hollow disc is fixedly and penetratingly provided with a plurality of groups of spray heads in an annular array manner, a liquid outlet of the high-pressure liquid pump is fixedly and penetratingly provided with a liquid conveying pipe, the other end of the liquid conveying pipe is fixedly and penetratingly arranged in the hollow disc, and grains in the tank body are turned through cooperation of a rotating rod, a spiral conveying paddle and a servo motor, so that the grains in the tank body are uniformly stirred; the cereals are sterilized in all directions, and the production quality of subsequent cereal products is improved.

The invention discloses a post-harvest castanea mollissima calcification prevention and control method based on inhibition of lipoxygenase activity by salicylic acid, and belongs to the technical field of agricultural product preservation. Research finds that salicylic acid can inhibit lipoxygenase-mediated fatty acid oxidation, change lipid metabolism of chestnut kernels, increase the content of unsaturated fatty acid in the chestnut kernels, reduce lipid peroxidation and maintain cell integrity, so that calcification after chestnut harvesting is delayed or inhibited. The water content of the Chinese chestnuts can be kept, and a new target and strategy are provided for research and development of a preservative for inhibiting calcification of the Chinese chestnuts after harvesting and improvement of the storage quality and shelf life of the Chinese chestnuts and other horticultural crops after harvesting.

The present invention discloses a high-temperature resistant antibacterial active fermentation broth, which is obtained by liquid fermentation of Bacillus velezensis ( Bacillus velezensis ), FS001. After centrifuging to remove the bacterial cells, it can be used directly or after sterilization; the fermentation broth has good high-temperature and acid-base resistance characteristics. When this high-temperature resistant antibacterial active fermentation broth is applied to cash crops and feed storage, the fermentation product has strong inhibitory activity against Aspergillus flavus, and has the effect of extending the storage period. The high-temperature resistant antibacterial active fermentation broth of the present invention has broad application prospects in the storage of cash crops and feeds.

The present invention provides an estimation device capable of estimating the flow rate of gases entering the interior space of a container. [Solution] The estimation device comprises a supply unit (231a, 231b) that supplies gas to the internal space (5) of the container (1), a first pressure detection unit (170) that detects the internal pressure, which is the pressure in the internal space (5), and a control unit (110) that determines an airtightness index, which is an indicator of the airtightness of the internal space (5). The control unit (110) estimates a first flow rate, which is the flow rate of gas supplied to the internal space (5), based on the internal pressure during operation of the supply unit (231a, 231b) and the airtightness index.

This invention relates to the field of food preservation technology and discloses a liquid preservative for preserving fresh walnut kernels. The preservative comprises a natural preservative, a solubilizing and stabilizing agent, and a solvent. This liquid preservative uses natural phloretin as the preservative component, combined with Tween 80 as a solubilizing and stabilizing agent and ethanol as a solvent. This effectively solves the problems of poor water and oil solubility and inadequate stability of phloretin, allowing it to be stably dispersed in the preservative system and fully exert its antioxidant and antimicrobial effects. Furthermore, the preparation method is simple and easy to implement, and the production process is safe and controllable. It is convenient to use; the preservation of fresh walnut kernels can be achieved through dilution and soaking. The diluted solution can be reused, reducing usage costs. Simultaneously, it can inhibit bacterial growth during the storage of fresh walnut kernels, delay oxidative deterioration, maintain their good appearance and quality, extend shelf life, and meet the market demand for high-quality fresh walnut kernels.

The invention provides a fresh-keeping method of fresh corn and the fresh corn. The fresh-keeping method comprises the following steps: S1, a pretreatment step: pretreating the fresh corn with hydrogen-rich water to obtain pretreated fresh corn; s2, a packaging step: placing at least a part of the pretreated fresh corn in a packaging body; and S3, a storage step: storing the packaging body in which the fresh corn is packaged. The fresh-keeping method disclosed by the invention can inhibit the respiration intensity of the fresh corn, improve the oxidation resistance, improve the storage quality of the harvested fresh corn and prolong the shelf life.

The invention discloses a litsea cubeba essential oil preparation. The preparation is prepared by uniformly mixing a chitosan quaternary ammonium salt solution with the mass percent concentration of 1% and a litsea cubeba essential oil ethanol mixed solution according to the volume ratio of 1: 4, the volume ratio of the litsea cubeba essential oil to the absolute ethyl alcohol in the litsea cubeba essential oil and ethyl alcohol mixed solution is 2: 3. The prepared litsea cubeba essential oil preparation is good in dispersity and stability, the short-term and long-term bacteriostatic effects on aspergillus flavus both reach 100%, and the litsea cubeba essential oil preparation is obviously better than litsea cubeba essential oil or chitosan quaternary ammonium salt independently used, is also better than chitosan quaternary ammonium salt-litsea cubeba essential oil preparations of other formulas, is better than common mildew preventives in the market, and is suitable for industrial production. The preparation method is simple, non-toxic and harmless, does not pollute the environment, is low in production cost, is used for preventing or inhibiting the growth of the aspergillus flavus, and can reduce the damage of the aspergillus flavus to grains, nuts or wooden living goods and the like.

The invention discloses an edible mushroom extract and application thereof as an antioxidant preparation in storage of coarse cereals. The invention provides application of an edible mushroom extract, namely application of the edible mushroom extract as an antioxidant. The invention discloses application of an edible mushroom extract in preparation of an antioxidant. The edible mushroom extract is applied to preparation of an additive for storing coarse cereals; the edible mushroom extract is used as an additive in storage of coarse cereals; the edible mushroom extract is applied to storage of coarse cereals as an additive with an anti-oxidation function. The edible mushroom extract is an agrocybe cylindracea polysaccharide extract or a pholiota adipose polyphenol extract or a grifola frondosa polyphenol extract. The edible fungus extract provided by the invention has good antioxidant activity, can inhibit oxidase systems of the coarse cereals so as to inhibit free fatty acid accumulation and / or malonaldehyde accumulation in the coarse cereals, and is free of any harmful component. The method is helpful for solving the practical problem that the coarse cereals are easy to oxidize in the storage and processing processes.

The invention relates to a manufacturing method of a low-cost high-antioxidant-activity liquid carbon dot packaging material. The manufacturing method comprises the following steps: firstly, collecting fresh grape skin and grape seeds, cleaning, drying, crushing and sieving to obtain grape skin and seed powder; then mixing the grape skin and seed powder with deionized water, and performing ultrasonic treatment to obtain a carbon dot precursor solution; performing high-temperature and high-pressure hydrothermal treatment on the carbon dot precursor solution to obtain a carbon dot solution; centrifuging the obtained carbon dot solution, and freeze-drying the obtained supernatant to obtain carbon dot powder; and finally, dissolving gelatin and glycerol in distilled water, and dissolving the carbon dot powder in the mixture to obtain the liquid carbon dot. The green, environment-friendly and high-efficiency liquid carbon dots are synthesized from grape production and processing byproducts through a hydrothermal synthesis method, and are applied to coarse cereals such as brown rice, so that the storage period is prolonged, the taste is improved, the application of the liquid carbon dots in food packaging materials is widened, and the method has great feasibility.

A food with an extended shelf-life and a method of extending shelf-life of food is provided herein. The extended shelf-life is provided by treating the food with at least one shelf-life extender selected from a group consisting of an isothiocyanate, a non-aromatic cyclic ketone, a boronic acid, a ligand and their precursors.

The invention provides a spicy walnut kernel and a preparation method thereof, and belongs to the technical field of food processing. The Chinese prickly ash sesame walnut kernels disclosed by the invention comprise the following components in parts by weight: 800-1200 parts of walnut kernels, 40-60 parts of Chinese prickly ash oil, 3-8 parts of chili oil, 3-5 parts of white granulated sugar, 3-5 parts of edible salt, 1-5 parts of monosodium glutamate, 3-8 parts of garlic powder, 1-5 parts of ginger powder, 3-8 parts of white pepper, 1-5 parts of a yeast extract, 0.02-0.1 part of disodium 5 '-ribonucleotide, 0.05-0.2 part of a rosemary extract, 0.1-0.3 part of an acanthopanax senticosus extract, 3-7 parts of amomum tsao-ko and 0.05-0.15 part of D-sodium erythorbate. 0.1 to 0.2 part of epsilon-polylysine hydrochloride, 0.1 to 0.3 part of potassium sorbate and 0.02 to 0.04 part of sodium pyrosulfite. The spicy walnut kernels prepared by the method are crisp and delicious, the nutrition of the walnut kernels is not lost, and the spicy walnut kernels are spicy, fresh and fragrant and have a long shelf life.

The invention provides a strain of fermented lactobacillus mucus INM3119 as well as preparation and application thereof, the strain of the fermented lactobacillus mucus INM3119 is preserved in Guangdong Province Microbial Culture Collection Center on August 13, 2024, the preservation number is GDMCC NO: 65005, and the preservation address is No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou City, Guangdong Province. The lactobacillus mucus INM3119 has the advantages that the lactobacillus mucus INM3119 can improve the content and flavor of 5-hydroxymethylfurfural in fructus momordicae juice, can be used for cooking rice in the later period, and can effectively improve the flavor of the product and prolong the shelf life of the product.

The invention relates to a preparation method and application of a carboxymethyl cellulose / sodium alginate double-layer composite preservative film. The composite preservative film at least comprises a first-layer composite film and a second-layer composite film which are arranged in a stacked mode. Wherein the first layer of preservative film is a carboxymethyl cellulose / sodium alginate composite film and contains nano zinc oxide and activated carbon; the second-layer composite film is a carboxymethyl cellulose / sodium alginate composite film and contains citric acid. The carboxymethyl cellulose / sodium alginate composite preservative film disclosed by the invention can absorb oxidative rancidity volatile flavor substances of the walnut kernels, reduce the ultraviolet transmittance, inhibit autooxidation of the walnut kernels and achieve a relatively good preservation effect of the walnut kernels.

The invention relates to fresh rice and a production process thereof in the technical field of self-heating rice. The production process comprises the following steps: S1, strictly selecting fresh rice; S2, cleaning and washing the rice; S3, balancing substances; according to the production process of the fresh rice, the operation method and the process parameters of each process step are optimally designed, so that the quality guarantee period of the prepared rice is as long as about 10 months, and the hot rice subjected to short-time heating treatment is fragrant, glutinous and delicious, reaches or even exceeds the taste of the steamed rice, and can effectively meet the requirements of consumers on fast food products.

A food with an extended shelf-life and a method of extending shelf-life of food is provided herein. The extended shelf-life is provided by treating the food with at least one shelf-life extender selected from a group consisting of an isothiocyanate, a non-aromatic cyclic ketone, a boronic acid, a ligand and their precursors.

The invention relates to compositions comprising an agriculturally-acceptable carrier, adjuvant, auxiliary, or extender and at least one ABA antagonist for promoting germination / sprouting of plants or plant parts, and / or delaying fruit ripening and pigmentation; kits comprising such compositions; and methods of using such compositions to promote germination / sprouting of plants or plant parts, and / or to delay fruit ripening and pigmentation.

The invention relates to the technical field of air conditioning agents, and discloses a novel air conditioning agent and a preparation process thereof, the novel air conditioning agent is prepared from the following raw materials by mass: 10.0-20.0% of light calcium carbonate; 25.0% to 32.5% of D-sodium erythorbate; 5.0%-15.0% of an odor absorbing agent; 0.5%-2.0% of ferrous acetate; 1.0%-3.0% of sodium carbonate; 0.5%-1.5% of citric acid; 15.0% to 20.0% of sodium-based montmorillonite; 5.0% to 10.0% of silicon dioxide; 1.5% to 4.5% of an anti-flocculation synergist; and the balance of water. The device realizes stable air pressure in a reaction period and low-temperature quick effect, effectively absorbs and removes peculiar smell, solves the hardening problem in water-containing material production, and is suitable for industrial continuous production.

The invention discloses application of natural unsaturated fatty aldehyde in prevention and control of storage pests. The natural unsaturated fatty aldehyde is trans-2, 4-heptadienal and trans-2-heptenal, and the natural unsaturated fatty aldehyde is trans-2, 4-heptadienal and trans-2-heptenal. The storage pests comprise coleoptera storage pests such as rice weevil, corn weevil, callosobruchus chinensis, coffee weevil, salopterus sajori, tribolium cavaleriei, delavay beetle, barbeque beetle, lasioderma serricorne, round bark beetle, black bark beetle and melanogaster, and lepidoptera storage pests such as corcyra cephalonica, wheat moth, Indian rice moth, diplodia rubella and mediterranean sea moth. The invention discloses that trans-2, 4-heptadienal and trans-2-heptenal can show excellent stored insect killing activity in a fumigation manner for the first time, provides a basis for developing green and environment-friendly insecticides, and has a good application prospect of replacing traditional chemical insecticides.

The utility model provides a grain storage protective agent applying device, which relates to the technical field of grain storage and comprises a gas cylinder, a gas outlet joint is arranged at the top of the gas cylinder, one end of the gas outlet joint is hermetically connected with a connector, one side of the connector is hermetically connected with a second guide pipe in a penetrating manner, and the other side of the connector is connected with a first guide pipe and a breathing pipe in a penetrating manner. A pressure gauge is fixed to one end of the first guide pipe. According to the positive pressure type air respirator, the air cylinder is inflated to 30 MPa, then the air outlet connector is opened, compressed air enters the second guide pipe through the pressure reducing valve connector, high-pressure air enters the grip from the grip of the second guide pipe, liquid in the volumetric kettle is atomized through air in the air cylinder, the larger the air valve is adjusted, the better the atomization degree is, and the larger the air valve is adjusted, the better the atomization effect is. The larger the liquid valve adjustment is, the higher the pesticide application speed is, an emulsifiable concentrate protective agent doped with 10% of water is added into the capacity kettle, emulsifiable concentrate is high in viscosity, a small amount of water is added to achieve the dilution effect, atomization and aerosol formation are better facilitated, and the better atomization effect is achieved.

The application relates to the technical field of mold removers, in particular to a preparation method of a composite mold remover and the composite mold remover. The preparation method of the composite mold remover comprises the following steps: S1. preparing modified montmorillonite; S2. culturing Brevibacillus parvus in a culture medium, obtaining Brevibacillus parvus bacterial liquid after the culturing is completed, and then preparing the obtained bacterial liquid into dry powder; S3. mixing methyl mercaptoacetate, dimethyl trisulfide and 3-methyl butyl sulfide S-methyl ester with water, and then adding the dry powder to obtain a mixed solution; S4. mixing the mixed solution with the modified montmorillonite to obtain a composite mold remover preparation; and S5. drying and packaging the composite mold remover. The composite mold remover obtained by the application is applied to moldy feed, and excellent mold removal effect can be achieved after 24 hours of mold removal treatment.

A controller (110) executes flow rate control for at least adjusting the flow rate of first air so that the concentration of components in indoor air reaches a set value during operation of air conveyance units (231, 291).