396results about How to "Short sterilization time" patented technology

The invention discloses a manufacturing method for extracting and processing fresh juice stock solution by using dendrobium officinale as a raw material. The method furthest protect the color, flavor, nutrition and effective ingredients of dendrobium officinale fresh juice by surface sterilization of the collected fresh dendrobium officinale and technology of juicing, enzymolysis, vacuum degasification, micro-filtration, ultra-filtration, sterile filling, high-temperature instantaneous sterilization and the like, and meanwhile, the product is favorable for storing and realizing industrialized production. The dendrobium officinale is processed into the dendrobium officinale fresh juice stock solution which is easy to store, convenient to carry, simple to administrate, good in mouthfeel and easy to absorb and has health-care nutritional components and medicinal functions; the fresh juice stock solution does not contain any additive; and the content of the fresh juice stock solution reaches over 99 percent. The dendrobium officinale fresh juice stock solution can be administrated separately, also can be added into mineral water to form health-care beverage, also can be dissolved into wine to form nourishing health-care wine, and can be added into high-grade dishes to form nourishing dishes for eating.

The invention discloses a method for culturing pleurotus eryngii. The method comprises the following steps of: selecting saw powder of alfalfa growing in organic soil, wild nuts in mountain and wild trees in mountain, mixing, fermenting, sterilizing, and inoculating the sterilized fermentation product to pleurotus eryngii hypha to culture to obtain mature pleurotus eryngii. By adopting the alfalfa growing in the organic soil, the problem that the alfalfa growing in common soil contains chemical fertilizer, pesticide residue and the like is solved, and harm of chemicals to a human body is solved; meanwhile, because the alfalfa is selected as one of the culture medium materials for culturing the pleurotus eryngii, the germination rate of the pleurotus eryngii can be increased by using the alfalfa to culture the pleurotus eryngii; and because the alfalfa is used as one of the culture medium materials, the growth speed of hypha can be increased, so that the production efficiency of the pleurotus eryngii is increased, and the economic benefit of the pleurotus eryngii is increased. The method has the advantages of achieving the best sterilization effect, saving the sterilization time, being simple and easy in material selection, saving a large amount of labor, reducing the production cost and increasing the economic benefit.

The invention relates to the field of food processing, in particular to a preparation method of dragon fruit juice. The preparation method comprises the steps of sorting and slicing; preparing dragon fruit peel juice; preparing diced dragon fruit; preparing lychee juice; blending the dragon fruit juice; sterilizing; filling, and the like. The dragon fruit juice prepared by the preparation method is sweet and tasty, is not added with any synthetic materials such as pigments, essences and preservatives and sufficiently utilizes peel, fruit pulp and fruit seeds of dragon fruit in the preparing process; no raw materials are wasted; and the obtained juice comprises all nutrition ingredients of dragon fruit. Lychee and dragon fruit are ingenuously matched, so that the prepared juice is mild and is suitable for people with different constitutions to drink; and meanwhile, lychee is sweet in taste and also improves taste of the juice by being matched with dragon fruit.

The invention provides a preparation method for a bottled beverage prepared by concentrated liquid and drinking water; the method comprises that the main components and auxiliary components of the beverage are prepared to be the concentrated liquid, and then the concentrated liquid is sterilized singly while the drinking water is sterilized by ozone; at last the mixture is mixed and filled according to the ratio of the concentrated liquid and the drinking water under aseptic condition. The preparation method of the invention sterilizes the concentrated liquid and the drinking water separately; the drinking water uses a mature ozone sterilizing technique which can avoid the heat loss caused by heating and cooling, and can save energy greatly. The invention also provides sterilizing filling equipment that can realize the preparation method of the beverage; the filling equipment comprises a sterilizing device of the concentrated liquid, a sterilizing device of the drinking water and a mixed filling device; the sterilizing device of the drinking water is an ozone sterilizing device. The sterilizing filling equipment of the invention can carry out the continuous flow process from the sterilization to the filling, thus improving the production efficiency greatly.

The invention relates to a processing method of blueberry preserved food, which packages blueberries or processed blueberries in the food plastic bags or soft plastic bottles and sterilizes in the high-pressure container at normal temperature and constant pressure of 300-500MPa for 3-10min using fluid as pressure transfer medium. The blueberry tins, blueberry juices, blueberry drinks, blueberry wines or blueberry sauces processed by the method keeps original flavour of blueberry, avoid breaking of nutrient contents due to heating in the conventional productions and curing taste after thermal processing and are added with no antiseptic to achieve the goal of green food.

The present invention discloses a north half-clinker open type mushroom production method, relates to a mushroom half-clinker production technology, especially relates to a north half-clinker open type mushroom production method, and pertains to the field of edible fungus production. The present invention provides a north half-clinker open type mushroom production method with a low cost, a simple operation and a high yield rate. Production method of the present invention comprises steps of strain manufacture, nutriment formula, disinfection, bagging (covering under soil) inoculation, mycelia culturing, colouring, inducement to primordium fruiting, harvesting and processing.

The invention discloses a preparation method of a bismuth titanate-titanium oxide heterojunction nano-material and a method for preparing a membrane electrode by utilizing the bismuth titanate-titanium oxide heterojunction nano-material so as to perform photoelectrocatalytic treatment on bacteria in ballast water. By adopting the process disclosed by the invention to prepare the bismuth titanate-titanium oxide heterojunction nano-material, the synthesis temperature is low and the preparation process is simple; by applying the bismuth titanate-titanium oxide heterojunction nano-material to prepare the membrane electrode, the preparation method is simple, the membrane electrode has relatively good stability, and the electrode can be reused; by utilizing a photoelectrocatalytic technology to apply the membrane electrode in the field of sterilization of the ballast water, equipment is simple, the sterilization time is short, the efficiency is high, the required externally applied voltage is small, and the application is favorable for ballast operation of a ship; furthermore, the sterilization treatment energy consumption is low, the process is simple, the scale is controllable, and the secondary pollution is avoided.

The invention provides a low-corrosion potassium peroxymonosulfate disinfector which consists of the ingredients by mass percent: 30-60% of an oxidizing agent, 5-30% of an activating agent, 1-10% of a synergist, 1-10% of a buffering agent, 0.2-2% of a surface active agent, 1-10% of a corrosion inhibitor, 0.1-5% of a chelating agent and 0.001-0.01% of an indicator. The disinfector has high killing capability to microorganisms such as bacteria, fungi and viruses, does no harm to a human body, and cannot cause a potential health risk or harm to an environment; the corrosion inhibitor is added to the disinfector, so that the corrosion of the potassium monopersulfate disinfector to various metals can be reduced effectively; in addition, the indicator is added, so that whether the content of the disinfector can reach a lowest use dosage can be judged visually according to change of a color of the disinfector; and the detection cost during use of the disinfector can be lowered greatly.

The invention discloses a gamma-reanal containing brown fermented milk base material and a preparation method thereof. The preparation method comprises the steps of: (1) mixing a raw material A uniformly and homogenizing to obtain a material liquid B, wherein the raw material A comprises monosaccharide, sodium glutamate and raw milk, and the material liquid B contains the sodium glutamate accounting for 7-10 g / L and the monosaccharide accounting for 60-150 g / L; (2) sterilizing the material liquid B at 90-95 DEG C for 60-120 min or sterilizing the material liquid B at 115-120 DEG C for 10-20 min; meanwhile, performing Maillard reaction and cooling; (3) grafting a leavening agent for fermentation so as to obtain the gamma-reanal containing brown fermented milk base material, wherein the fermentation time lasts for 72 h to 96 h; the leavening agent is satisfied with the condition that the raw milk is added with 10 g / L sodium glutamate and is grafted with the leavening agent according to a grafting amount of 1*106 cfu / mL, and the yield of the gamma-reanal after 72 hours fermentation is not less than 4 g / L. The preparation method greatly shortens the sterilization time. The brown fermented milk beverage prepared by using the gamma-reanal containing brown fermented milk base material has the advantages of being good in mouth feeling and flavor, containing a plenty of gamma-reanal, adding functionality and health protection property of milk products and making up the situation that the natural gamma-reanal is relatively high in price and is limited to application.

The invention provides a processing method of nutritional frozen Hibiscus esculentus slice. The method comprises the steps of material selection, color protection, sterilizing (ozone combined with microwave), freezing (cooling, and ultrasonic-assisted freezing), thawing, preparing, screening, slicing, quick-freezing, packaging, sealing and delivering. The method provided by the invention adopts ultrasonic-assisted freezing to solve tissue structure disintegration problem in single freezing process, effectively promotes nucleation under simultaneous mass-transfer action and heat-transfer action of ultrasound, avoids damage of functional ingredients in Hibiscus esculentus, and avoids nutritional ingredients loss by adopting two-step operation of freezing and sterilizing. Under joint action of ozone and microwave in sterilization process, the method has thorough sterilization and obvious effect; in combination with sterilization with 75% ethanol, bacterial count can be controlled at 500-300 / g, sterilization time is shortened by above 30%, and the product is safe, pollution-free and residue-free.

The invention discloses a combined pretreatment method for controlling microorganisms of fresh frozen vegetables or edible fungi, which belongs to the technical field of safety control of fruit and vegetable food. The sterilization of the fresh frozen vegetables or edible fungi adopts the combined treatment of ozone water and ultrasonic wave, and the conditions are as follows: the concentration of the ozone water is between 9 and 15mg / L, the power of the ultrasonic wave is between 1,000 and 1,200W, the cooperative treatment time is between 60 and 90s, and the interval time of the ultrasonic wave is 5s; and then the frozen vegetables or edible fungi are placed into a single instant freezer to be quickly frozen at a temperature of between 35 and 40 DEG C below zero until the central temperature of a product reaches less than 18 DEG C below zero, and are quickly packaged in a low temperature environment lower than 5 DEG C below zero, and the product is placed at a temperature lower than 18 DEG C below zero for storage after the packaging. The sterilization method which combines the ozone water with the ultrasonic wave ensures that the total amount of the microorganisms is controlled within 1,000 counts / gram and coliforms (or colon bacilli) achieve the standard (negative) due to the fact that the synergic action of the ultrasonic wave makes the sterilization effect of the ozone water better. No heat treatment is performed, so the losses of the color and luster, the flavor and the nutrient content of the product are reduced, and the qualities of the quick-frozen product such as color, flavor and so on, are better maintained.

The invention relates to an ultraviolet sterilization device used for water treatment and coated with photocatalytic materials, belonging to the technical field of water treatment. The ultraviolet sterilization device comprises a cylinder and an ultraviolet lamp tube, wherein a water inlet is formed in one side of the upper part of the cylinder, a water outlet is formed in the other opposite side of the lower part of the cylinder, a cylinder cover is arranged on the cylinder, the ultraviolet lamp tube is arranged at the center of the cylinder, the upper end of the ultraviolet lamp tube is fixed on the cylinder cover, a left baffle and a right baffle are respectively a left semicircular baffle and a right semicircular baffle, the arc-shaped sections of a plurality of left semicircular baffles are evenly distributed and fixed on the left-side cylinder wall along with the axial direction of the cylinder, the arc-shaped sections of a plurality of right semicircular baffles are evenly distributed and fixed on the right-side cylinder wall along with the axial direction of the cylinder, the left semicircular baffles and the right semicircular baffles are arranged at intervals along with the axial direction of the cylinder. The surfaces of the cylinder, the cylinder cover, the plurality of right semicircular baffles and the plurality of left semicircular baffles are coated with the photocatalytic materials. According to the ultraviolet sterilization device, the sterilization efficiency can be improved, the material consumption and energy consumption cost can be saved, and the capability of sterilization and water treatment can be improved under the same conditions.

The invention discloses an intensive pulse light sterilizing method. The intensive pulse light sterilizing method is applied to a main control board in a sterilizing robot. The method comprises the following steps of detecting the ultraviolet energy strength of an intensive pulse light device through a light strength detection device; when the ultraviolet energy strength is lower than a preset energy threshold value, adjusting the ultraviolet energy strength; acquiring a video image of sterilizing conditions under the ultraviolet energy strength through a camera; sending the video image to a client side of a user through a wireless chip, making the user check the sterilizing conditions through the client side and controlling the sterilizing robot. By means of the intensive pulse light sterilizing method, by sending the video image to the client side of the user through the wireless chip, making the user check the sterilizing conditions and conducting corresponding control, the human-machine separation effect is achieved. The ultraviolet energy strength can be automatically adjusted, the sterilizing effect is guaranteed, and the sterilizing time is greatly shortened. The invention further discloses the high voltage pulse sterilizing robot, and the high voltage pulse robot has the corresponding advantages.

The invention relates to a method for preparing low-salt leisure marinated fish from salted fish, mainly relates to an aquatic product processing technique and an aquatic product sterilization process, and belongs to the technical fields of aquatic product processing. The method mainly comprises the following steps of: cutting market dried fish or rinsed fish; performing composite desalination (ultrasonic wave and vacuum permeation) on the cut market dried fish or rinsed fish; and preliminarily drying, marinating, drying, saucing, packaging and sterilizing the fish to prepare the low-salt leisure marinated fish, wherein the step of saucing the fish is to add chitosan, red bayberry polyphenol and sodium lactate composite preservative liquid into the fish. The method for preparing the low-salt leisure marinated fish from the salted fish has the advantages that: (1) the traditional food processed by the salted fish is high in salt content and is bad for health; and due to the adoption of the composite desalination technique, the desalination degree can be increased, salt can be removed more effectively, nutritional ingredients are controlled not to be separated out to the maximum extent, and the texture of the fish is maintained better; and (2) due to the combination of natural preservatives, namely the chitosan, the red bayberry polyphenol and the sodium lactate, an antibacterial spectrum is expanded, the time of thermal sterilization is shortened, the texture of the fish is improved and the using amount of salt is reduced.

The invention discloses an ultraviolet light catalyzing and strong oxidizing treatment method of ship ballast water, which comprises the following steps: (1) firstly, coarsely filtering seawater by a coarse filter; (2) then finely filtering the seawater which is coarsely filtered in the step (1) through a 50 mum filter; (3) carrying out germicidal treatment on the seawater which is finely filtered in the step (2) through an ultraviolet light catalytic combination treater; (4) filling the seawater after undergoing the germicidal treatment in the step (3) to a ballast tank to become ballast water; (5) after finishing filling the ballast water, back flushing the coarse filter and the 50 mum filter by the seawater; and (6) before discharging the ballast water, treating the ballast water by the ultraviolet light catalytic combination treater so as to be discharged later. The method has more rapid reaction speed and can effectively kill protozoa, algae, bacteria, spores and the like which are smaller than 50 mum, and the germicidal time is less than 5 seconds; and the method does not use any chemicals basically, and has less adverse impact on the ecology environment.

The invention discloses a cordyceps sinensis fruit juice beverage and a preparation method of the cordyceps sinensis fruit juice beverage. The cordyceps sinensis fruit juice beverage is a beverage prepared from the ingredients in percentage by weight: 70 to 80 percent of the cordyceps sinensis fermentation liquid, 5 percent to 20 percent of fruit juice, 4 percent to 10 percent of sugarcane sugar,0.05 percent to 0.2 percent of citric acid, 0.02 percent to 0.08 percent of sodium citrate, 0.02 percent to 0.05 percent of color protecting agents and a proper amount of water for reaching the totalpercentage of 100 percent. The beverage is prepared from the concrete steps of fermentation liquid centrifugation, proportioning, filtering, sterilization, filling and secondary sterilization. The beverage prepared by the method sufficiently utilizes the fermentation waste liquid generated in the cordyceps sinensis entity fermentation process, the juice nutrition ingredients and the functions arematched, the production process is simple, the environment is favorably protected, and the requirement of customers for functional beverages is met.

The invention discloses a sterilization method for producing a culture material for hypsizigus marmoreus in a factory. The culture material is sterilized by a vacuum high-pressure steam sterilizer with the sterilization volume of 27-31m<3>. The sterilization method is characterized by comprising the following steps of: performing first vacuumization by using the sterilizer before high pressure steam is input; introducing steam to raise the temperature in the sterilizer; performing second vacuumization; introducing steam to raise the temperature; and performing the third vaccumization and introducing steam to raise the temperature, wherein the inner space of the sterilizer has the negative pressure of 0.055Mpa in vaccumization each time, the cold air in the sterilizer and the culture materials is completely removed, and the high temperature and high pressure steam quickly and comprehensively permeates the culture material for quick and thorough sterilization. Through vacuumization process link, the high temperature and high pressure steam comprehensively permeates the culture material to achieve the quick and thorough sterilization effect, and the energy is saved simultaneously.

The invention discloses a water-boiled peanut and a preparation method thereof. The preparation method comprises the following steps: (1) soaking the selected high-quality peanuts in water containing a bio-antiseptic and flavors to carry out a soaking treatment; (2) carrying out a stewing treatment for the soaked peanuts; (3) soaking the stewed peanuts in water containing a bio-antiseptic to carry out an antiseptic treatment; (4) fishing out the peanuts which have been subjected to the antiseptic treatment, drying, vacuum packaging, and then carrying out a sterilization treatment. The water-boiled peanut provided by the invention has the advantages of various flavors, good taste, high nutrition value, long shelf life, uneasiness in microorganism contamination, health and environment-friendliness. MMoreover, the preparation method provided by the invention has the advantage of low energy consumption, is benefit to save resources, and saves the cost.

The invention belongs to the field of aquatic product processing technology, and specifically relates to an instant double-pepper fish head with a freshwater fish head, capsicum frutescens and red pickled peppers as base materials, and a production method thereof. The freshwater fish head (aristichthys nobilis or silver carp), capsicum frutescens, the red pickled peppers, vegetable oil and the like are used as the base materials and are matched with spices, white sugar, table salt, a flavor agent and other auxiliary materials, and the instant double-pepper fish head (normal-temperature circulating sale type) is prepared through the processes of pretreatment, low-temperature low-salt pickling and deodorization, low-temperature air drying and design finalizing, medium-temperature slight deep-frying, double-pepper sauce seasoning, bagging (placing in pallets) and vacuum sealing, high-temperature short-time sterilization, back-pressure water-spraying cooling and the like. The instant double-pepper fish head maintains the texture and the flavor of a traditional chopped pepper fish head, has the shelf life of more than 180 days at room temperature, has fresh, sweet, sour and spicy compound taste, is fresh, tender, tasty and refreshing, and has the characteristics of being rich in nutrition, and convenient to carry and eat.

The invention relates to a ship ballast water processing method combining ozone and photocatalysis, comprising the following steps of: firstly, processing sea water by a coarse filtering device; filtering the sea water by a 50 mum filter; further processing the sea water with an ozone / photocatalysis combined processor; introducing the sea water in a ballast warehouse to become ballast water; backwashing the filter with the sea water after loading the ballast water; reprocessing the ballast water with the ozone / photocatalysis combined processor before discharging; and discharging the ballast water. The method has higher reaction speed, can effectively kill protozoon, algae, germ, spore, and the like smaller than 50 mum with the sterilization time less than 10s and basically uses no chemicals. The invention has the advantages of no secondary pollution, little adverse impact on the environment, small volume of the processing device, low energy consumption, high processing efficiency and wide application range.

The invention relates to an efficient fermentation production process of a sodium gluconate. The efficient fermentation production process comprises the first step of seed culturing, the second step of inoculated fermentation, the third step of continuous fermentation, the fourth step of filtering, the fifth step of decoloring, the sixth step of crystallization, the seventh of separation and drying and the eighth step of packaging. In the third step, namely, the continuous fermentation step, when the online measured concentration of a sodium gluconate reducing sugar is less than or equal to 50g / L according to the terminal stage of fermentation of the second step, a glucose liquid and a nutrient are automatically replenished by 500g / L, and simultaneously, a fermentation liquor is discharged to a buffer tank from the bottom of a fermentation tank, and meanwhile, NaOH (in a content of 350g / L) is also replenished. The continuous fermentation step of the efficient fermentation production process has the advantages that the glucose liquid and the nutrient are replenished under online automatic control, long-term continuous fermentation of the glucose is realized, the time of seed culture and fermentation liquor sterilization is saved, and the production efficiency is improved.

The invention discloses an all-in-one combined sterilizing and disinfecting device, which comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body. The all-in-one combined sterilizing and disinfecting device is characterized in that an agent sterilizing system, an ozone sterilizing system, a high-temperature disinfecting system and an ultraviolet sterilizing system are arranged in the cabinet body; the agent sterilizing system comprises a dosing box arranged on the side face of the cabinet body and nozzles which are arranged on both sides of the inner wall of the cabinet body and are connected with the dosing box; the ozone sterilizing system comprises an ozone generator arranged on the side face of the cabinet body; the ozone sterilizing system comprises an ozone generator arranged on the side face of the cabinet body; an air inlet is formed in the ozone generator and is connected with the cabinet body; the high-temperature disinfecting system comprises a heating pipe arranged at the bottom inside the cabinet body and grids arranged on the heating pipe; the ultraviolet sterilizing system comprises an ultraviolet lamp tube arranged on the top in the cabinet body. The all-in-one combined sterilizing-disinfecting device has the effects of sterilizing, disinfecting, drying, enhancing aroma and the like.

The invention relates to a culturing medium and fermentation method for producing erythrocin through fermentation of streptomyces erythreus. A primary seed medium, a secondary seed medium and a fermentation medium for producing erythrocin through fermentation of streptomyces erythreus all contains sucrose and a corn steep liquor. According to the invention, the corn steep liquor, urea, sucrose, and other intermediate-acting carbon sources and nitrogen sources are adopted to substitute original slow-acting carbon sources and nitrogen sources; moreover, the corn steep liquor, urea, and sucrose are soluble in water, so that the viscosity of the fermentation liquor is lowered, the dissolved oxygen is increased, the utilization speed is increased, especially during the later period of fermentation, the solid residue at the end of the fermentation is reduced, the bacteria dregs and the BOD content and the COD contend in the waste water are all greatly reduced, energy-reserving and consumption-lowering are both realized, and the good effects of treatment from the source and clean production are achieved.

The invention relates to the field of cross breeding of plants and particularly relates to an interspecific hybrid embryo rescuing and seedling forming method of sweet cherries in southern China and Chinese cherries. The method combines advantages of European sweet cherries and the Chinese cherries, and takes the 'European sweet cherries' as a female parent and the 'Chinese cherries' as a male parent to carry out interspecific distant hybridization. Aiming at the abortion problem of a distant hybrid embryo, the hybrid embryo is subjected to embryo rescuing. A proper sampling period of the embryo rescuing of each hybrid combination, concentrations and ratios of respective exogenous growth regulators for hybrid young embryo germination, subculture propagation and rooting culture, and a proper acclimatization and transplanting method are determined. By applying an interspecific hybrid embryo rescuing system of the sweet cherries in southern China and the Chinese cherries, which is established by the technology, the embryo germination rate reaches 80.00 percent, the multiplication coefficient of subculture hybridized new shoots reaches 5.0, the rooting rate of rooting culture is 90.91percent, the growth vigor of embryo culture seedlings is good and the seedlings grow robustly and have green leaves, and the acclimatization and transplanting survival rate reaches 77.27 percent.

Calcium-fortified acidic beverages that are stable against calcium precipitation when stored for prolonged period at room temperature and elevated temperatures.

The invention discloses a high-frequency pulse magnetic field sterilizing constant temperature heating device arranged on a toilet cover, and a toilet. The high-frequency pulse magnetic field sterilizing constant temperature heating device is characterized in that a first heat conduction water pipe is arranged on the bottom of a seat ring of the toilet; a second heat conduction water pipe is arranged outside a housing of a power element, and between the housing and the power element; a water outlet end of the first heat conduction water pipe communicates with a water tank, and a water inlet end of the first heat conduction water pipe communicates with a water outlet end of the second heat conduction water pipe; a water inlet end of the second heat conduction water pipe communicates with the water tank; a circulating pump is arranged on the water inlet end of the second heat conduction water pipe; a washing sprayer is arranged on the toilet cover; a water outlet of an electromagnetic pulse heating mechanism communicates with the washing sprayer, and a water inlet of the electromagnetic pulse heating mechanism communicates with a water outlet end of a third heat conduction water pipe; and a water inlet end of the third heat conduction water pipe communicates with the water tank. The high-frequency pulse magnetic field sterilizing constant temperature heating device arranged on toilet cover and the toilet can provide healthy sterile clean comfortable water to clean private parts of a human body.

The invention discloses a cultivation method for mushroom. The method comprises the following steps: batching, high-temperature sterilization, cooling, inoculation, bagging and spore germination, wherein the step of high-temperature sterilization is as follows: filling a mixed mushroom cultivation medium into a high-temperature stirring kettle with set temperature of 121 to 126 DEG C, pressure of 0.155 to 0.160 MPa and reaction time of 1.5 to 2.5 hours, and after sterilization is completed, cooling the high-temperature stirring kettle to 23 to 27 DEG C in 1 to 2 hours. The cultivation method for the mushroom provided by the invention has the following advantages: (1) the mushroom cultivation medium is bagged after high-temperature sterilization, so the introduction of contaminating microorganisms is avoided in bagging process; and after high-temperature sterilization, subsequent process is carried out in an aseptic environment, so pollution rate is greatly reduced; (2) during high-temperature sterilization, the pressure is set to be 0.155 to 0.160 MPa, so sterilization time is shortened by nearly ten times; and (3) when cooling, a method for replacement of aseptic air is adopted, so cooling time is greatly shortened, and the contaminating microorganisms are not introduced in cooling accelerating process.

The invention provides a fresh-keeping treating method for fresh-wet instant vermicelli. The fresh-keeping treating method includes the steps of freezing, aging, bagging, microwave sterilizing, hot sealing, water dip sterilizing and cooling. According to the fresh-keeping treating method, as hot sealing is carried out after microwave heating, the problems that microwave heating is prone to bag expanding and bag breaking in the prior art are effectively solved; meanwhile, as microwave sterilization and water dip sterilization are combined, the sterilizing time is obviously shortened, production cost is reduced, and production efficiency is improved.

The invention discloses a novel air filter. The peripheral air inlet manner of an air filter body is adopted for air inlet, when air passes through a filter net layer, the filter net layer will intercept impurities like large-particle dust, when the air passes through a ventilation pipeline mounted in the filter body, an LED deep ultraviolet lamp mounted in the axis of the ventilation pipeline sends out ultraviolet to the periphery of the ventilation pipeline, and has the oxidizing reaction with photocatalysts on the periphery of the inner wall of the ventilation pipeline, various bacteria, germs and volatile gas with the molecular diameter as the nanoscale can be decomposed, and the novel air filter can be used for destroying regeneration capacity of harmful microbes and removing harmful gas of dioxin, formaldehyde, benzene and the like and has the beneficial effects of being short in sterilization time, free of mercury and side effect, wide in use range, capable of being mounted on an air conditioner air outlet of a mansion, an air inlet of civil air defense engineering, a purification processor of automobile tail gas and various air purifier devices.