8results about How to "Maintain nutrients" patented technology

The invention relates to the technical field of nut sterilization, and particularly discloses a low-temperature food sterilization device and a nut sterilization method. A treatment cavity and an equipment cavity are formed in the box body; a sealing door is mounted on the inner side wall of the treatment cavity, and an evaporator is arranged in the treatment cavity; a compressor, a condenser and a liquid storage tank are arranged in the treatment cavity; the liquid outlet end of the compressor is connected with the liquid inlet end of the condenser through a first pipeline; the liquid outlet end of the condenser is connected with the liquid inlet end of the liquid storage tank through a second pipeline; the liquid outlet end of the liquid storage tank is connected with the liquid inlet end of the evaporator through a third pipeline; the liquid outlet end of the evaporator is connected with the liquid inlet end of the compressor through a fourth pipeline; the temperature in the processing cavity is reduced through circular flow of a refrigerant in the evaporator, the compressor and the condenser, so that nuts placed in the processing cavity are sterilized at low temperature, and the situation that nutritional ingredients and taste of the nuts are damaged due to the adoption of a high-temperature sterilization mode is avoided.

The utility model discloses a honeycomb type low-temperature low-pressure energy-saving digester which comprises a digester body, a digester cover, a pressure thermometer used for measuring the pressure and temperature in the digester and more than two cylindrical digester containers used for containing materials, all the digester containers can be vertically arranged in the digester body together, the lower ends of the digester containers are closed, and the upper ends of the digester containers are open. The pot cover can cover the upper port of the pot body in a sealing mode, the pressure thermometer is arranged on the pot cover, and a pressure limiting valve and a safety valve are arranged on the pot cover. According to the utility model, more than two materials can be simultaneously cooked at low temperature and low pressure, the nutritional ingredients, taste and flavor of the materials can be better maintained, the energy consumed by cooking can be reduced, and the problems of over cooking and scorching of the materials can be avoided.

The utility model relates to the technical field of tea oil storage, especially to a tea oil light-proof storage tank with ultraviolet rays prevention. The utility model provides a tea oil light-proof storage tank with ultraviolet rays prevention: including tank body, tank cover, support leg, oil injection valve, oil taking valve, light-proof layer, inner bag etc. The tank cover is fixedly installed on the upper end of the tank body through bolts, a certain number of support legs are fixedly connected to the bottom of the tank body, the oil injection valve is fixedly arranged on the right side of the upper end of the tank cover, the light-proof layer is fixedly arranged on the circumferential side of the tank body, the inner bag is fixedly arranged in the light-proof layer, and the oil taking valve is fixedly arranged on the right part of the lower side of the tank body. The light-proof layer made of aluminum foil or black polyethylene material and sprayed with ultraviolet rays prevention coating is arranged on the circumferential side of the tank body, which effectively blocks the penetration of external light, especially ultraviolet rays, prevents the photo-oxidation reaction of tea oil, and maintains the nutritional ingredients and quality of tea oil.

The present application provides a kind of to improve the nutrition fertilizer of yam stress resistance and its preparation and use method, the nutrition fertilizer includes base fertilizer and conditioning agent, the base fertilizer includes jasmonic acid-chitosan oligosaccharide conjugate, amino mesoporous silica nanoparticles, basic nutrient component, auxiliary material, binder, the basic nutrient component includes slow-release nitrogen source, readily available nitrogen source, phosphorus source, potassium source, trace element;The conditioning agent includes modified attapulgite, gamma-polyglutamic acid, sodium dodecyl sulfate.The nutrition fertilizer provided by the present application is not only comprehensive nutrition, and yam stress resistance can be effectively improved, and then the yield and quality of yam are improved.

The utility model relates to the technical field of wax gourd de-seeding machinery, and provides a wax gourd pulp de-seeding machine which comprises a frame body, a feeding hole is formed in the frame body, a screen drum is arranged on the frame body, a feeding hole is formed in the top of the screen drum, the feeding hole is located below the feeding hole, screen holes of the screen drum are larger than melon seeds, and the screen drum is used for screening out the melon seeds and small-size melon pulp; the rotating roller is rotationally arranged on the frame body, the rotating roller is located in the screen drum, the rotating roller and the screen drum are coaxial, the rotating roller is provided with a spiral conveying section and a beating section, and the spiral conveying section is used for conveying melon pulp into the beating section; the supporting rods are distributed on the beating section at intervals along the axis of the rotating roller, the supporting rods extend towards the inner wall of the screen drum in the radial direction of the rotating roller, a plurality of beating rods are distributed in the extending direction of the supporting rods at intervals, and the beating rods are used for beating melon pulp entering the beating section so that melon seeds can be separated from the melon pulp. According to the technical scheme, the technical problem that wax gourd pulp can be completely threshed after being soaked for one day in the prior art is solved.

The invention provides a bio-based fresh-keeping film and a preparation method thereof, and belongs to the technical field of fruit and vegetable fresh-keeping, the preparation method of the bio-based fresh-keeping film provided by the invention comprises the following steps: S1, weighing green tea leaves, and treating the green tea leaves with an extraction solvent to obtain a green tea extract; s2, mixing a green tea extract, deionized water, water-soluble chitosan and glycerol, uniformly stirring, homogenizing the solution, and degassing the solution after the homogenization to obtain a film forming solution; and S3, transferring the film forming liquid into a mold, drying to form a film, and then carrying out ultraviolet radiation treatment on the film to obtain the bio-based fresh-keeping film. The bio-based fresh-keeping film prepared by adopting the method has relatively high mechanical strength and relatively good fresh-keeping performance, not only is favorable for improving the fresh-keeping effect of fresh fruits and reducing the postharvest loss, but also provides a new technical approach for promoting the innovation of green packaging materials and the sustainable development of the fresh fruit industry.

The application belongs to the technical field of food preservation, and specifically discloses a kind of postharvest high-voltage alternating electric field and low-temperature synergistic storage preservation method of fresh lotus seeds, comprising the following steps: S1, fresh lotus seed pretreatment, get shelled fresh lotus seed;S2, the shelled fresh lotus seed obtained in S1 is placed in a constant low-temperature incubator with high-voltage alternating electric field for storage preservation.The application adopts the above-mentioned postharvest high-voltage alternating electric field and low-temperature synergistic storage preservation method of fresh lotus seeds, for the first time, high-voltage alternating electric field is applied to the storage preservation of fresh lotus seeds, effectively slows down the metabolism and aging process of lotus, also can reduce the loss of nutrients, the preservation effect is good, and the safety is high, no residue, small harm.This method is simple to implement, cost-effective, and friendly to the environment, has a wide application prospect and market potential.

This utility model discloses a composite film fresh-locking bag for packaging fruit juice, comprising a bag body and a cap; the bag body is formed by heat sealing a composite film; the film layer structure of the composite film includes a barrier antibacterial substrate layer, an adhesive layer, and a heat-sealing layer arranged sequentially from the outside to the inside; wherein, the barrier antibacterial substrate layer is a five-layer co-extruded biaxially oriented nylon film, arranged sequentially from the outside to the inside as a printed composite layer, a first barrier layer, a barrier core layer, a second barrier layer, and an antibacterial composite layer. This utility model packaging bag has good oxygen barrier and antibacterial properties, effectively reducing the contact between fruit juice and outside air, slowing down the oxidative decomposition and spoilage of nutrients in the fruit juice, and maintaining its nutritional components and fresh taste. Furthermore, the barrier antibacterial substrate layer of the biaxially oriented nylon film using the structure of this utility model has good puncture resistance, effectively reducing losses caused by bag bursting, which is beneficial for the storage and transportation of bagged fruit juice.