34results about How to "Maintain commodity" patented technology

The invention belongs to the technical field of culture of potato, and particularly discloses a cost-saving and yield-increasing culture technique for southern winter planting potato. The technique comprises the following steps of: selecting a land, preparing the land and furrowing; applying a base fertilizer; treating potato seeds; seeding; covering with soil; covering with a film; earthing up the film; managing liquid manure, weeds and insect pests; and harvesting, wherein a method of earthing up the film is that: a layer of smashed soil of 5-8 centimeters is covered on the film by using a machine or a hoe, so that the film on a ridge surface is covered fully. In the technique, an integral water manure furrow application method is used innovatively, so that the labor per acre is saved by 7 persons, and the acre yield is up to 9,136 jin. Due to the adoption of the technique, the increase in of the yield of potato is facilitated, the production cost is lowered, and the economic benefit of potato production is increased. On the aspect of technique, the process flow of potato production is completed, the production time of potato is shortened, and a solid technical foundation is laid for the popularizing scale, standardization and commercial production of the potato industry.

The invention discloses a safe and efficient preservation method for the fresh fruits of blueberries. Choice fruits are selected from the collected blueberries, sterilized and disinfected by ozone water; the heat in fields of the choice fruits is pumped by a vacuum and precooling equipment within a plurality of hours; after being packed by film bags, the choice fruits are stored in a refrigeratory of which the environmental temperature is 0.5-2 DEG C and the relative humidity is 90 to 95 percent. On the basis of no pollution, the method can prolong the preservation period of the blueberries in summer to about 20 days, thus guaranteeing the marketability of the fresh fruits of the blueberries, and solving the problems of short-term storage and long-distance transportation of the fruits.

The invention relates to a method for fresh-keeping of sugar citrus with leaves, which is used for treating the fruits of the sugar citrus with 0.5-20 ppm of 1-methylcyclopropene (1-MCP) as an ethylene action inhibitor for certain time so as to efficiently slow down the aging (etiolating, browning or rotting) and falling off of the leaves during post-harvest storage, greatly enhance the fresh-keeping effect of sugar citrus with leaves and maintain quality of the fruits. The method disclosed by the invention is adopted to keep the sugar citrus with leaves fresh; and after storage at low-temperature of 4-8 DEG C for 50 days, or at room-temperature of 15-25 DEG C for 15-30 days, the leaves of sugar citrus are still green, the falling-off rate of the leaves is under 5% and the original quality and marketability of the fruits are still kept.

The invention discloses a grape eco-friendly precise preservation fresh-keeping method and an application thereof. The method comprises spraying an eco-friendly preservation agent to grapes, carryingout sugar-degree non-injurious classification, fast pre-cooling the grapes for 6-10h in 3-5h after harvest, pre-cooling the grapes at 0+ / -0.5 DEG C for 4-8h, carrying out 0.5-1.5 microliters per liter1-MCP treatment, sealing a small basket through a minimal modified atmosphere anti-fog fresh-keeping bag with thickness of 15-30 micrometers, carrying out low temperature domestication at -1.5 to -1.2 DEG C for 6-10h, carrying out storage under precise control of a temperature of -1.5 to -1.2 DEG C or -2.3 to -2.0 DEG C for 3-5 months, adjusting a warehouse temperature to 0 to 0.5 DEG C, carryingout recovery for 48 to 72 hours, carrying out recovery again at 10 + / -0.5 DEG C for 24 to 36 hours, removing the outer package, carrying out high concentration 1-MCP treatment and carrying out commercial packaging. Through combination of the above technology and process parameters, the rot percentage of grapes is significantly reduced and the quality is improved.

The invention discloses a fresh blueberry fruit picking, storage, transportation and selling integrated preservation method. According to the method, small baskets matched with a blueberry storage, transportation and selling microenvironment air-regulating preservation box are utilized for picking blueberry fruits with the 80-90% ripeness; the blueberry fruits are pre-cooled for 4-8 hours at 0-5 DEG C within 2-6 hours after being harvested, and every two small baskets are put in the preservation box; a physiological regulation preservation strip is placed in a bottom transverse groove of the box body, then a special matched coolant bag is dipped into clear water and then put in a fixed position between every two baskets, and the bottom of the special matched coolant bag is in sufficient contact with the physiological regulation preservation strip; then a shakeproof biological preservation pad is placed on every two small baskets and then tightly covered with an upper cover, and stacking for storage is conducted; the blueberry fruits are periodically taken out of a warehouse, and then a cold-chain logistics vehicle is utilized for conveying the blueberry fruits to commission sale site refrigeration houses, or the blueberry fruits are directly sold in low-temperature containers, wherein the blueberry fruits can be stored for 6-10 weeks at the temperature of 0 DEG C, and can be stored for 1-3 weeks at the temperature of 8-10 DEG C; finally, the blueberry fruits are put in domestic refrigerators, and the preservation period is 1-7 days. By means of the preservation method, the problems that after the blueberry fruits are picked, due to repeated transfer, the bloom of the blueberry fruits is lost, and the storability is lowered accordingly can be solved.

The invention provides an engine-driven generator, wherein free space of the generator in the prior art is reasonably utilized to arrange a control unit, thus commodity of a product is guaranteed while dimension, weight and cost can be beneficially reduced. The engine-driven generator is in the structure that an engine and a generator driven by the engine are supported on a rack, the rack is in the structure that a left side frame and a right side frame are made by bending a steel pipe and are of a square shape, one end of the upper side part of each side frame is inclined downward, the lower side parts of the side frames are connected into a whole by virtue of a transverse construction member, the upper parts of the side frames are connected into a whole by virtue of a front support construction member and a rear support construction member, wherein the front support construction member is arranged below a position close to the starting point of the inclined section of the upper side part of each side frame; meanwhile, the transverse construction member elastically supports an assembling body of the engine and the generator, the front support construction member and the rear support construction member are respectively provided with a fuel tank which is covered above the engine in a dismountable manner, and a control unit which is used for controlling the engine-driven generator to operate and is covered above the generator is arranged between the inclined sections in the dismountable manner.

The invention discloses a green accurate preserving and fresh-keeping method for blueberries and an application thereof. The method comprises the following steps: spraying treatment is carried out forblueberries with a before-harvest biological antistaling agent, fruits are nondestructively graded according to sizes, the fruits are harvested and placed in a precooling refrigerator in 3-5 hours, rapid precooling is carried out for 6-10 hours, precooling is carried out for 4-8 hours at 0+ / -0.5 DEG C, and then an antifog fresh-keeping bag whose thickness is 20-35[mu]m for slightly controlled atmosphere is used as an outer lining of a small basket for sealing; low temperature domestication is carried out at -1.6 to -1.2 DEG C for 6-8 hours, storage is carried out for 60-70 days with accuratetemperature control at -0.8 to -0.5 DEG C or -0.5 to -0.2 DEG C, the temperature of the refrigerator is adjusted to 0-0.5 DEG C, awaking time is 48-72 hours, awaking is carried out again at 10+ / -0.5 DEG C for 24-36 hours, external packing is removed in order to carry out high-concentration 1-MCP fumigating treatment, and commercial package of blueberries is carried out. Combination of technology and technological parameter is used, in order to substantially maintain original quality of blueberries and improve quality of blueberries.

The invention belongs to the technical field of storage and preservation of agricultural products, and in particularly relates to a composite storage and preservation method for juicy peaches. The composite storage and preservation method comprises the following steps: collecting juicy peaches at harvest time in time, placing the juicy peaches in a precooling room for precooling at the temperature of 3-8 DEG C, and then transferring in a glass pot, placing the glass pot with the juicy peaches in a refrigeratory with temperature of 0-4 DEG C and relative humidity of 85-95%, introducing N2 for 4-12h, sealing and packaging by using a polythene film bag, placing in the refrigeratory with the temperature of 0-4 DEG C and relative humidity of 85-95% till the storage period is ended, taking out of the juicy peaches out of the polythene film bag, and storing at the temperature of 22-27 DEG C for 4 days. With the adoption of the composite storage and preservation method, the defects of not obvious storage effect and potential safety hazards in the prior art are overcome, the postharvest aging process and the degrading of quality of the juicy peaches are delayed, the low-temperature shelf-life of the juicy peaches is prolonged, and the normal-temperature shelf-life of the juicy peaches is prolonged.

The invention discloses a movable self-adaption fruit and vegetable fresh keeping atmosphere-controlled device, and belongs to the field of fruit and vegetable cold storage fresh keeping. The movableself-adaption fruit and vegetable fresh keeping atmosphere-controlled device comprises a compartment and an atmosphere control system, wherein the compartment is of a rectangular container structure,and a temperature adjusting chamber and a fresh keeping chamber are sequentially arranged in the compartment in a length direction of the compartment; equipment doors are arranged on left and right sides of the temperature adjusting chamber respectively; the fresh keeping chamber is of an insulated sealed structure, a sealing door is arranged at the end, away from the temperature adjusting chamber, of the fresh keeping chamber, and a sampling door is arranged on one side of the fresh keeping chamber; sealing membrane connected with a sampling door frame in a wrapping mode and a sampling assembly connected with the sealing membrane are arranged at positions, correshydrops to the sampling door, of the interior of the fresh keeping chamber, and the sealing membrane is of a tubular structure;and the atmosphere control system comprises a control panel, and a refrigerator, a humidifier, a sterilizer, a nitrogen making machine, a carbon dioxide remover, an ethylene remover, a temperature andhumidity sensor and a gas concentration sensing device which are connected with the control panel. The movable self-adaption fruit and vegetable fresh keeping atmosphere-controlled device can be moved so that timely fresh keeping and transportation can be conveniently conducted on fruits and vegetables; and compared with a fixed atmosphere-controlled cold storage in the prior art, the structure of the movable self-adaption fruit and vegetable fresh keeping atmosphere-controlled device is low in cost and low in energy consumption so that the requirements of using the movable self-adaption fruit and vegetable fresh keeping atmosphere-controlled device as fruit and vegetable fresh keeping and transportation equipment in the daily life can be met.

The invention discloses a device for keeping fresh by controlled atmosphere combined with light, aiming to provide a device for effectively inhibiting the respiratory intensity of fruits and vegetables through the combination of weak light and gas components under the condition of weak light, which is beneficial to prolonging the shelf life of fruits and vegetables. The device comprises a box, a temperature and humidity regulation system, a gas composition regulation system, a light regulation system and an exhaust unit; the gas composition regulation system includes a nitrogen making machine,a gas composition acquisition unit, a gas transportation unit and a gas analyzing unit, and the nitrogen making machine is communicated with the inside of the box; the light regulation system includes a light parameter acquisition unit, LED modules and an LED controller, the LED modules include a red light module and a blue light module which are installed at the top of the box, and the total light intensity of red light of the red light module and blue light of the blue light module are 8-15 mu mol m<-2> s<-1>. The respiratory intensity of the fruits and vegetables is effectively inhibited through comprehensive control, the storage period and preservation period of the fruits and vegetables are prolonged, and more convenient adjustment operation is achieved.

The invention belongs to the technical field of morchella esculenta planting, and particularly relates to a preservation method of morchella esculenta. Aiming at the problem that a morchella esculentapreservation method with low cost and good safety is lacked in the existing market, the invention provides the preservation method of the morchella esculenta. The method comprises the following steps: a, preparing slightly acidic electrolyzed water, and soaking the morchella esculenta in the slightly acidic electrolyzed water for 5-15 minutes; and b, fishing out the morchella esculenta, drainingoff the morchella esculenta, irradiating the morchella esculenta with ultraviolet rays for 10-45 minutes, and storing the morchella esculenta at normal temperature. According to the method disclosed by the invention, the contents of superoxide dismutase and vitamin C can be increased, the activities of polyphenol oxidase and catalase are inhibited, and the breathing intensity of the morchella esculenta is at a proper active level to keep the hardness and flavor of the morchella esculenta; and meanwhile, the nutrition and the color of the morchella esculenta are basically not damaged. The method is simple to operate, low in equipment requirement and convenient to popularize and use.

The invention discloses an edible biological preservative for morchella and application thereof and relates to the technical field of preservation of edible fungi. The formula of the preservative specifically comprises 100 ml of 0.75% chitosan, 30 ml of 0.03% natamycin, 20 ml of 1.5% sodium chloride and 850 ml of purified water, wherein the pH value is regulated to 6.0. In addition, the inventionprovides a morchella preservation method. The preservation method specially comprises the steps of conducting precooling processing on morchella under reduced pressure, soaking the processed morchellawith the preservative, then spraying a radix angelicae volatile oil solution, executing air-drying, executing sealing, storing the morchella in a preservation bag at the constant temperature of 4 DEGC and executing selling. The preservative and the preservation method can effectively prolong the preservation time of morchella.

The invention discloses a method for preserving harvested avocado fruits. The method which can be used for achieving at least one function of (a)-(e) comprises following steps of putting the harvested avocado fruits into sealed vessels filled with 1-methyl cyclopropene; (a) preserving the harvested avocado fruits; (b) delaying the respiratory climacteric of the harvested avocado fruits; (c) preventing diseases of the harvested avocado fruits; (d) delaying ripening and senescence of the harvested avocado fruits or prolonging the storage time of the harvested avocado fruits; and (e) inhibiting membrane lipid peroxidation of the avocado fruits. In the method, 1-MCP is adopted for processing the harvested avocado fruits, the ripening and senescence of the avocado fruits can be effectively delayed, and the storage service life is prolonged.

The invention discloses a persimmon fruit crispiness-keeping and mildew-preventing environment-friendly precise preservation method and application thereof. The persimmon fruit crispiness-keeping andmildew-preventing environment-friendly precise preservation method comprises the following steps: performing non-destructive grading on harvested persimmon fruits according to the sugar degrees, pre-cooling for 8-12h at 0 DEG C plus or minus 0.5 DEG C, performing controlled atmosphere treatment by using 1-methylcyclopropene with the concentration of 0.5-1.0 [mu]L / L, performing low-temperature acclimation for 8-12h at -1.3 DEG C to -1.0 DEG C, then storing for 75-90 days under a precise temperature control condition of -0.8 DEG C to -0.5 DEG C or -0.5 DEG C to -0.2 DEG C, adjusting the temperature of a warehouse to 0-0.5 DEG C, recovering for 48-72h, recovering for 24-36h once more at 10 DEG C plus or minus 0.5 DEG C, performing fumigation treatment by using high-concentration 1-MCP with the concentration of 2.5-7.5 [mu]L / L once more, cleaning for 1-3min by using a natamycin preservative solution, performing blow drying on the surface, and performing personalized packaging for marketing. Through combination of the technology and technological parameters, the crispiness of the persimmon fruits can be significantly maintained and the quality can be improved.

The invention discloses a fresh keeping agent for vitis vinifera. The fresh keeping agent comprises the following components in parts by weight: 15-20 parts of sodium erythorbate, 5-20 parts of sodium acetate, 10-35 parts of malic acid, 10-30 parts of lecithin, 5-25 parts of ferric pyrophosphate, 15-40 parts of sorbitol and 5-20 parts of kojic acid. The fresh keeping agent for vitis vinifera disclosed by the invention is good in long-term fresh keeping effects. Experiment prove that the fresh keeping agent has favorable effects of restraining various kinds of pathogenic bacteria in the storage process of the vitis vinifera, the bad fruit rate and the spike-stalk browning index in the storage process of the vitis vinifera can be obviously reduced, the advantages of commodity and the like of the vitis vinifera are maintained, and besides, the fresh keeping agent completely meets the requirements of food safety in China, is useful and harmless to human bodies and has favorable development and application potential.

The invention discloses an eco-friendly precise preserving method for keeping apples fresh and crisp and a use thereof. The method comprises carrying out non-destructive grading on sugar content of harvested apples, carrying out pre-cooling, then carrying out pre-cooling at -1.5 to 1.0 DEG C for 18-24h, simultaneously, carrying out controlled atmosphere treatment through 0.5 to 1.5 microliter perliter of 1-methylcyclopropene, carrying out low temperature acclimation at a temperature of -1.2 to -0.8 DEG C for 72-120h, carrying out storage under precise control of -0.8 to -0.5 DEG C or -1.5 to-1.2 DEG C for 10-12h, adjusting the storehouse temperature to 0-0.5 DEG C, carrying out recovery for 120-168h, adjusting the storehouse temperature to 10+ / -0.5 DEG C, carrying out recovery again for48-72h, carrying out high concentration 1-MCP fumigation treatment, carrying out washing through a natamycin preservative solution, blow-drying the surface and carrying out personalized packaging andselling. Through combination of the above technology and process parameters, the brittleness of apples can be significantly maintained and the quality can be improved.

The invention discloses a labor-saving early-maturing cultivation method for Nanhu red water caltrop, which specifically comprises the steps of water caltrop seed selection, preservation, germination acceleration, seedling culture, cultivation management and the like, so that the Nanhu red water caltrop can be marketed before June, the planting benefit of farmers is improved, and the healthy development of the industry is promoted. The cultivation method further relates to a supporting facility for labor-saving early-maturing cultivation of the Nanhu red water caltrop, a cement hardening operation channel is used for being matched with a track, a load-carrying bed frame is suspended above a caltrop disc, the bed frame can be moved through a motor, an operator can manage caltrop seedlings without entering water, and the supporting facility can be used for fertilization, pesticide spraying and caltrop picking, so that the labor-saving early-maturing cultivation of the Nanhu red caltrop is achieved. By using the device, management can be simplified, labor intensity can be reduced, and water chestnut picking can be applied to agricultural travelers. The method can also be used for scientific research, facilitates statistics of water caltrop germplasm resource data, and facilitates cross pollination work.

The invention discloses a compound biological fresh-keeping agent and the application thereof. The compound biological fresh-keeping agent is composed of lactococcus garvieae, helianthus tuberosus linn leaf alcohol extract and water-soluble chitosan. Lactococcus garvieae is prepared through fermentation and then extraction of lactococcus garvieae SY-1, and the strain is preserved in the China General Microbiological Culture Collection Center of China Microbe Preservation Management Committee with preservation number of CGMCC NO.9485 on July 28, 2014. The helianthus tuberosus linn leaf alcohol extract is prepared through ultrasonic extraction. The fresh-keeping agent is applied to fresh-keeping of small berries, a safe, poisonous and edible transparent film can be formed on the surface of fruit, and through conventional refrigerator preservation, the color and nutrients of fruit can be effectively maintained and the shelf life of various small berries can be prolonged remarkably.

The invention discloses a storage and preservation method of fresh walnuts. The storage and preservation method comprises the following steps: taking the fresh walnuts from which green peels are removed, putting the fresh walnuts into a packaging bag, vacuumizing till the air pressure is -0.08MPa to -0.06MPa, inflating nitrogen till the gas pressure at an outlet of the packaging bag is 0.5MPa, sealing an opening, and storing at a temperature of 0 DEG C. The storage and preservation method is easy and convenient to operate; by the storage and preservation method, the illness rate of the stored fresh walnuts can be effectively reduced, a relatively high water content can be kept and a commodity property of the fresh walnuts can be maintained; the storage and preservation method has a wide application value and a bright application prospect.

The invention belongs to the technical field of culture of potato, and particularly discloses a cost-saving and yield-increasing culture technique for southern winter planting potato. The technique comprises the following steps of: selecting a land, preparing the land and furrowing; applying a base fertilizer; treating potato seeds; seeding; covering with soil; covering with a film; earthing up the film; managing liquid manure, weeds and insect pests; and harvesting, wherein a method of earthing up the film is that: a layer of smashed soil of 5-8 centimeters is covered on the film by using a machine or a hoe, so that the film on a ridge surface is covered fully. In the technique, an integral water manure furrow application method is used innovatively, so that the labor per acre is saved by 7 persons, and the acre yield is up to 9,136 jin. Due to the adoption of the technique, the increase in of the yield of potato is facilitated, the production cost is lowered, and the economic benefit of potato production is increased. On the aspect of technique, the process flow of potato production is completed, the production time of potato is shortened, and a solid technical foundation is laid for the popularizing scale, standardization and commercial production of the potato industry.

The invention discloses a kiwi fruit composite preservative and a preparation method thereof. The utility model belongs to the technical field of fruit preservation. It is composed of the following components: vitamin C1‑2%, green tea powder 0.60‑0.81%, starch 0.36‑0.45%, walnut powder 0.01‑0.03%, chitosan 0.8‑1%, licorice extract 1.84‑2.80%, Citric acid 0.80‑0.10%, water 97.8‑100%. Beneficial effects of the present invention: the present invention provides a kiwi fruit composite preservative and a preparation method thereof. The kiwi fruit treated by the method can reduce the rot rate during the storage period, and better maintain the commerciality of the fruit. Compared with the traditional chemical As far as the preservative is concerned, it is green and safe, and has no toxic and side effects on human health.

The present invention relates to a method for the fresh-keeping of shatang citrus with leaves, which involves treating the fruits of said shatang citrus with 0.5-20ppm 1-methylcyclopropene (1-MCP) as ethylene action inhibitor. After storage at low-temperature of 4-8? for 50 days, or at room-temperature of 15-25? for 15-30 days, the leaves of shatang citrus are still green and the falling-off rate of the leaves is under 5%. The method of the present invention can efficiently slow down the aging and falling off of the leaves during storage, such as etiolating, browning or rotting, greatly improve the storage effect of shatang citrus with leaves and maintain the original quality and marketability of the fruits.