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1048results about How to "Extend freshness" patented technology

Food processing machine with electric sucking pump and method for vacuumizing to produce foodstuff liquid

The invention relates to a food processing machine with an electric sucking pump and a method for vacuumizing to produce foodstuff liquid. The food processing machine comprises a crushing cutter device, a machine head or a machine base, a motor, a barrel and a control circuit board, wherein the barrel is provided with a sealing device, has or does not have a heating device. An electric sucking pump is arranged on the machine head, the machine base, the sealing device, the barrel or a barrel handle of the food processing machine, the sucking port of the electric sucking pump is positioned in the barrel and above the foodstuff liquid level, the exhaust port of the electric sucking pump is communicated with the outer part of the barrel; and the electric power source of the electric sucking pump is an independent motor, an electromagnetic vibration device, a piezoelectric ceramic vibration device or the crushing cutter device of the food processing machine. A sealing mode is adopted to seal the barrel of the food processing machine, the electric sucking pump is used to pump air out of the barrel, then crushing and heating are carried out to crush and heat the foodstuff in the barrel of the food processing machine under the vacuum condition, the oxidation of the foodstuff liquid is greatly reduced and avoided for the crushing and heating processes, so the nutritive loss is reduced, and the good taste and appearance color are kept.
Owner:王晓东

Chinese medicine residue organic fertilizer and production method thereof

The invention provides a Chinese medicine residue organic fertilizer. Wastes after extraction of Chinese traditional medicines can be fully utilized, utilization of waste materials is realized, and a bactericidal and insect disease preventing organic fertilizer full of nutritional ingredients is also provided for agricultural production. The Chinese medicine residue organic fertilizer is prepared by fermenting Chinese medicine residue, excrement of animals, solid waste, bacillus subtilis and EM. The Chinese medicine residue organic fertilizer has the advantages that the Chinese medicine residue, excrement of animals and solid waste are mixed, biological fermentation bacteria are added for carrying out rapid fermentation, organic fertilizer is processed, waste materials are changed into things of value, harm is turned into good, the problem of treatment of abandoned herb residue produced by a Chinese medicine factory is solved, and waste treatment cost is also greatly reduced, so that a win-win situation of environmental protection and economic development is realized. By adopting the organic fertilizer made from the Chinese medicine residue, soil can be effectively improved, crop pest also can be effectively prevented, and quality, yield and safety of crops are improved.
Owner:INST OF S&T INFORMATION SHANDONG ACADEMY OFAGRI SCI

A fresh-keeping electric pressure cooker air extraction control method

ActiveCN105054773BDestruction of overpressure protection performanceTo achieve the purpose of preservationPressure-cookersUpper lipProduct gas
The invention relates to the technical field of electric pressure cooker, and discloses a fresh-keeping electric pressure cooker, which comprises a pot body, an outer pot, an inner pot, a sealing ring, an outer cover and an inner cover, wherein a ring with an upward opening is arranged outside the mouth of the inner pot. Groove, the sealing ring includes an upper lip and a lower lip, the upper lip fits the inside of the inner cover, and the lower lip extends into the circumferential groove when the inner cover is fastened; a hose is connected to the inner cover, and one end of the hose is sealed and connected to the The inner side of the inner cover; the pot body is provided with a micro vacuum pump, and the other end of the hose is connected to the micro vacuum pump; the inner cover is provided with a pressure detection device for detecting the gas pressure in the inner pot. The invention solves the problem of short preservation time for the remaining food in the pot, starts the micro-vacuum pump, draws out the residual air in the pot, and the pressure in the pot becomes smaller so that the lower lip is close to the inner wall of the circumferential groove, and the outside air cannot enter, achieving For the purpose of keeping the remaining food fresh for a long time, there is no need for the user to pour out the remaining food for fresh keeping, which greatly facilitates the use of the user.
Owner:LINGNAN NORMAL UNIV

Artificial flexible-posture preserved ornamental plant and processing method thereof

The invention discloses an artificial flexible-posture preserved ornamental plant and a processing method thereof. The artificial flexible-posture preserved ornamental plant is prepared from a naturally grown living herbaceous plant or woody plant which is harvested, kept natural posture, subjected to disinfection, fresh-keeping and coloring treatment, and then used as an ikebana material. The processing method comprises that: after pretreated, a living flowering plant material is soaked by a flexible-posture plant treating agent prepared from carbohydrate, a nourishment regulator, an antioxidant, a humectant, a preservative, edible pigment and water in a soaking container at an environmental temperature of between 15 and 22 DEG C and a relative humidity of between 70 and 80 percent untilleaves on the top of the plant are evenly dyed; and the soaked plant is aired, dried, graded and shaped into the artificial flexible-posture preserved flower material. The method utilizes the naturalmechanism of cell metabolism of flower plants, performs cellular fluid displacement and cell enclosing treatment through the flexible-posture plant treating agent, and makes the plants keep natural postures, texture and flexibleness, not influenced by spacial environment, and preserved as long as 1 to 2 years. The artificial flexible-posture preserved ornamental plant taken as a bonsai flower material does not need water dressing or daily maintenance, has stronger enjoyment property than a dry flower, and prolongs the fresh-keeping time by hundreds of times than fresh cutting plants and flowers.
Owner:云南绿荫园艺有限公司 +1

Optical signal technology physical method for preserving vegetables and fruits and optical signal generating device

The invention relates to an optical signal technology physical method for preserving vegetables and fruits and an optical signal generating device. By adopting a computer programmable pulse scanning signal generator, the invention controls a light-emitting device with a red, green and blue light source pack to generate a pulse-type optical signal or an optical signal of a pulse-type periodical scanning combined spectrum so as to illuminate fresh vegetables and fruits stored in a storage device under a room-temperature storage condition or a temperature and moisture control condition. Under the physical environmental condition of an artificial optical signal, the illuminated fresh vegetables and fruits obtain photon energy needed for an optical reaction in photosynthesis in an optical signal illumination environment with periodical brightness change so that cell tissues recover metabolism and maintain the slow operation of metabolism and growth inertia; through controlling the optical signal of a periodical pulse spectrum or a periodical pulse scanning spectrum or a periodical pulse scanning combined spectrum, and the illuminance, the pulse period and the combined scanning mode of a visible spectrum optical signal emitted by the red, green and blue light source pack are controllable so as to achieve the aims of controlling the slow growth process of the harvested vegetables and fruits under the room-temperature condition or the temperature and moisture control condition, effectively prolonging the fresh state of the harvested vegetables and fruits by the slow metabolism operation of the preserved vegetables and fruits, keeping the freshness of the stored vegetables and fruits and prolonging the preservation time.
Owner:陈愈 +2

Fruit fresh-keeping box with transverse locking structure

The invention provides a fruit fresh-keeping box with a transverse locking structure. The fruit fresh-keeping box comprises a box body and a plurality of layers of fruit trays arranged in a containing cavity of the box body, the box body comprises a sealing cover and a box main body, the box main body is provided with an insulating layer and a containing layer, a hollow interlayer is arranged between the insulating layer and the containing layer, the containing layer is fixedly connected with the insulating layer through a connecting part, and the hollow interlayer is filled with polyving akohol-borax coolants. The inner wall of the containing layer is provided with sliding rail sets arranged in a layered and spaced mode, each fruit tray is provided with two sliding wheels, and the sliding wheels are embedded in the sliding rail sets. A sucking pump, a pressure meter, a direct-current source and a controller for automatically starting and stopping the sucking pump according to pressure values read from the pressure meter are arranged in the box body. An antiseptic substance container and a spraying device are further arranged in the box body. The transverse locking structure comprises elastic jack catches and locking grooves. The fruit fresh-keeping box has the advantages that the fresh-keeping time can be as long as more than three months; fruit bearing parts of the fruit trays are reasonable in structure, convenience is brought to taking and placement, stable placement is achieved, and convenience is brought to washing.
Owner:巫山县丰园恒吉农牧有限公司

Nano-fiber anti-microbial fruit-vegetable preservative film with porous structure, and preparation method and application

The invention discloses a nano-fiber anti-microbial fruit-vegetable preservative film with a porous structure, and a preparation method and application. According to the invention, myoporum bontioides leaves are grinded into powder and treated by supercritical extraction, so that a myoporum bontioides extract is obtained; a water solution containing TWEEN-80 is added into the myoporum bontioides extract, and the mixture is filtered, so that a myoporum bontioides supercritical extract solution is obtained; the myoporum bontioides supercritical extract solution, a polyvinyl alcohol solution, a chitosan derivative solution and a nano-titania solution are mixed, so that a mixed spinning solution is obtained; and the mixed spinning solution is treated by spinning of a static spinning machine, so that the nano-fiber anti-microbial fruit-vegetable preservative film with the porous structure is obtained. The preservative film has the advantages of a large specific area, a high porosity, high finger uniformity, good mechanical properties and the like, also has performance such as a good moisture permeable and gas permeable property and a good moldproof and anti-microbial property, and has high application potential in the food packaging field.
Owner:广州怡馨舒生物科技有限公司

Feed for producing selenium-rich storage-resistance green-shell eggs and enhancing chicken body antioxidation capability

The invention belongs to the technical field of feed production and provides a feed for producing selenium-rich storage-resistance green-shell eggs and enhancing the chicken body antioxidation capability. The feed consists of basic ration and yeast selenium with the selenium content being 2000 mg / kg, wherein 0.25 to 0.50mg / kg of selenium is added into the basic ration in a yeast selenium form in the basic ration, the Haugh unit reduction in the storage process of egg products can be obviously delayed, in addition, the fresh keeping time of the fresh eggs below the normal temperature of 25 DEG C can be prolonged by more than 15 days; 0.25 to 0.50mg / kg of selenium is added into the basic ration in a yeast selenium form, so the yolk selenium content is improved by 49.15 to 110 percent, the content of 0.437mug / g to 0.637mug / g can be reached, and the chicken body antioxidation index is obviously enhanced; the influence of the selenium on the green-shell hen production performance, the egg quality, the yolk selenium content and the blood serum antioxidation capability is analyzed, the addition of the selenium in the basic ration of the hen is optimized, and the scientific basis is provided for the application of the selenium to the egg poultry culture and the production and the development of the selenium-rich eggs.
Owner:HUNAN AGRICULTURAL UNIV +1

Fruit fresh-keeping box

The invention provides a fruit fresh-keeping box which can keep fruit fresh for a long time and is very convenient to assemble, disassemble and take. The fruit fresh-keeping box comprises a box body and multiple layers of fruit trays arranged in a containing cavity of the box body, the box body comprises a sealing cover and a box main body, the box main body is provided with a thermal-insulation layer and a containing layer, the thermal-insulation layer and the containing layer are separated, a hollow interlayer is arranged between the thermal-insulation layer and the containing layer, the containing layer is fixedly connected with the thermal-insulation layer through a connection portion, and the hollow interlayer is filled with polyving akohol and borax coolants; sliding rail sets arranged layer by layer at intervals are arranged on the inner wall of the containing layer, each fruit tray is provided with two sets of pulleys, and the pulleys are embedded in the sliding rail sets; the box body is provided with an air pump, a pressure gauge, a direct-current power supply and a controller capable of automatically starting and shutting off the air pump according to pressure values read from the pressure gauge, and the box body is further provided with a preservative container and a spraying device. The fruit fresh-keeping box has the advantages that fresh-keeping time is long and can reach more than three months, the fruit bearing portions of the fruit trays are reasonable in structure, convenient to take and put and convenient to clean and can stand stably.
Owner:巫山县丰园恒吉农牧有限公司

Method for refreshing Chinese dates

The invention discloses a method for refreshing Chinese dates. The method comprises the following steps of: 1) spraying an antistaling agent A on the Chinese dates twice or three times 20 to 40 days before picking; 2) picking the Chinese dates with stems, spraying water in an amount which is 1 to 10 mass percent of the collected Chinese dates within 3 to 5 hours after picking, and pre-cooling the Chinese dates at the temperature of between -1 and 2 DEG C under the 300 to 600 Pa vacuum condition for 10 to 30 min; and 3) soaking the pre-cooled Chinese dates in an antistaling agent B for 1 to 10 min, taking out and draining, sealing and preserving in freshness protection packages with gas regulator, and refreshing and storing at the temperature of between -1 and 2 DEG C. In the method for refreshing the Chinese dates, comprehensive refreshing technology, which comprises the steps of spraying the antistaling agent before picking, classifying and collecting the picked Chinese dates, performing vacuum pre-cooling in real time in fields, soaking in the antistaling agent after pre-cooling, adding the gas regulator and storing in a refrigeration house at low temperature is adopted; in the whole refreshing link, a relatively mild environment is adopted, so that the nutrition components, appearance and flavor of the Chinese dates are well preserved; moreover, the method has simple steps, the antistaling agent is easy to prepare and the storage conditions are easy to implement and the method is suitable for practical production.
Owner:SHAANXI UNIV OF SCI & TECH

Air conditioning preservation method for Dendrobium

The invention discloses an air conditioning preservation method for Dendrobium. The method comprises the following steps: 1) performing callus treatment; 2) suffocating in a big tent; 3) performing provisional planting preservation treatment; 4) packaging, namely putting the Dendrobium together with a provisional planting nutrition bottle into a plastic box or carbon in which a polyethylene (PE) preservative bag in the thickness of 0.02-0.05mm is lined; 5) precooling, namely precooling the Dendrobium which is packaged in the box in an air-conditioned cold store at the temperature of between -1 and 0DEG C for 12 to 24 hours; and 6) controlling air conditioning parameters, namely fastening the bag mouth of the PE preservative bag for the precooled Dendrobium, stacking in the air-conditioned cold store on routine, keeping the temperature at 0+/-0.3DEG C, and ensuring that the volume percentage concentration of O2 in the air-conditioned cold store is 2 to 3 percent, the volume percentage concentration of CO2 is 8 to 10 percent and the relative humidity is 90-95 percent until the Dendrobium leaves the air-conditioned cold store. By the method, stems of the Dendrobium can be preserved for 8-12 months, leaves of the Dendrobium can be preserved for 3-5 months, the preservation time is greatly prolonged, and the market requirement is met.
Owner:YUNNAN JINSHI BIOLOGICAL TECH CO LTD
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