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152results about How to "Fast rehydration" patented technology

Method for drying traditional Chinese medicine materials in mixing mode through microwave vacuum and hot air

A method for drying traditional Chinese medicine materials in mixing mode through microwave vacuum and hot air comprises placing the traditional Chinese medicine materials in a microwave vacuum drying stove, drying the traditional Chinese medicine materials for 3 to 5 minutes under the condition that the vacuum ranges from 0.07Mpa to 0.09Mpa and the unit microwave power ranges from 3W to 5W, delivering the traditional Chinese medicine materials into a hot air dryer, drying the traditional Chinese medicine materials for 1 to 3 hours under the temperature ranging from 70 DEG C to 90 DEG C, and finally delivering the traditional Chinese medicine materials to the microwave vacuum drying stove again for drying under the condition of the first step till the end. The method adopts mixing of the microwave vacuum drying and the hot air drying, enables the internal structure of the traditional Chinese medicine materials to achieve the effect of swelling, loosening and cracking, improves exudation ratio of decoction of liquid medicine and shortens decoction time without damaging contents of the traditional Chinese medicine materials. Further the method can keep intrinsic body integrity of the traditional Chinese medicine materials, reduces contractibility rate of the traditional Chinese medicine materials, accelerates rehydration of the traditional Chinese medicine materials, improves product quality and reduces energy consumption.
Owner:HENAN UNIV OF SCI & TECH

Microwave vacuum freeze-drying method for rhizoma gastrodiae

The invention discloses a microwave vacuum freeze-drying method for rhizoma gastrodiae. The microwave vacuum freeze-drying method comprises the following steps: firstly, cleaning and draining fresh rhizoma gastrodiae; secondly, pre-freezing the rhizoma gastrodiae at the temperature of 10 DEG C below zero to 30 DEG C below zero for 1 hour to 1 year; thirdly, slicing and pricking the rhizoma gastrodiae obtained in the second step; fourthly, putting the pricked rhizoma gastrodiae into a microwave freezing dryer, and freezing at the pressure of 5 to 20 Pa and the temperature of 35 DEG C below zero to 40 DEG C below zero for 1 to 3 hours; introducing nitrogen, controlling the pressure at 20 to 100 Pa, controlling microwave power at 100 to 300 w / kg when the time reaches 0 to 3 hours, controlling the microwave power at 300 to 500 w / kg when the time reaches 3 to 6 hours, controlling the microwave power at 100 to 200 w / kg when the time reaches 6 to 8 hours, and warehousing to obtain freeze-dried rhizoma gastrodiae slices. The method disclosed by the invention has the advantages of short production period and low energy consumption and cost for freeze drying; in addition, effective ingredients, nutritional ingredients, appearance, color and luster of the fresh rhizoma gastrodiae are sufficiently protected from being damaged, original shapes of crude products are maintained, and the rhizoma gastrodiae slices are crisp and tasty in mouthfeel.
Owner:ZHEJIANG JIANFENG HEALTH TECH

Freeze drying preparation method of fruit and vegetable crisp slices

The invention discloses a preparation method for freeze-drying fruit and vegetable crisp slices. The preparation method comprises the following steps: blanching cleaned and split raw materials for enzyme deactivation, rapidly placing the raw materials after enzyme deactivation into a pre-cooling color-protecting liquid for cooling, pulping, homogenizing, paving material layers with thickness of 5-10mm in a metal material plate, inserting to an integrated metal grid mould, precooling at temperature of -30 DEG C, performing vacuum freeze drying according to the following process: when the temperature is lower than 10 DEG C, increasing temperature at the rate of 3-5 DEG C per hour, when the temperature reaches 10 DEG C, keeping the temperature for 1 hour, increasing temperature at the rate of 5-7 DEG C per hour, when the temperature reaches 40 DEG C, keeping for 2 hours, and then finishing the vacuum freeze drying. According to the invention, a proper amount of water is added into the raw materials for pulping and homogenizing, then curing is carried out, the integrated metal grid mould is used for accelerating the process that heat is conducted inside the material layers, the whole material plate is divided into a plurality of independent evaporation units, so that sublimation of water is greatly accelerated, obtained fruit and vegetable crisp slices are crisp and porous, good in reconstitution property, and the defect that the traditional freeze-drying fruit and vegetable crisp slices are poor in reconstitution property so as to stick teeth is overcome.
Owner:AGRI PROD PROCESSING INST GUANGXI ACADEMY OF AGRI SCI

Cold air drying technique of vegetable and edible fungus

The present invention relates to a cold-wind drying technique of vegetable and edible fungus. The method comprises the steps of a preprocessing step, a enzymes-deactivating step, a cooling step and a cold-wind drying step which are executed in sequence. The invention is characterized in that in the cold-wind drying step, the raw material of vegetable or domestic fungus is placed into a cold-wind drying chamber with a temperature of 25-30DEG C, a moisture of 5%-8%, and a wind speed of 3-5m/s. The drying time lasts for 1.5-2hours. Furthermore after the step of cold-wind drying, the raw materials of vegetable or domestic fungus are executed with the freezing step to make that the central temperature of the frozen raw material obtains a temperature lower than -18DEG C and the finished product is obtained. The invention uses a low-temperature dewatering and cold-wind drying method for processing the vegetable or domestic fungus. The appropriate temperature, moisture, wind speed and time are controlled, therefore the color, incense, flavor and brittleness of the product are guaranteed to more approximate to those of the original product. Besides, as the product is frozen after the step of cold-wind drying, the storage period of the product is prolonged to about 2 years.
Owner:福州富水综合食品有限公司

Snakegourd fruit flesh powder and preparing process thereof

InactiveCN102613501AThe serial process is tightSplit fluidity is excellentFood preparationAntioxidantSlurry
The invention discloses a process for preparing snakegourd fruit flesh powder, which comprises the steps of separating fresh snakegourd fruit flesh from snakegourd fruits and seeds; grinding the flesh into liquid; controlling the temperature to fix color; removing gas in the liquid; homogenizing; spray drying and the like; and obtaining the dried snakegourd fruit flesh powder. The process is catenated and compact and omits measures such as adding synthetic antioxidants, preservatives and the like in traditional processing of biologics, so that formulated vegetable protein polysaccharide and vegetable gelatine have functions such as improving effects and resisting oxidation. The obtained flesh powder is characterized in that the color is natural pale orange-yellow, the powder is fine, smooth and slightly scented, the pectin content is 65% - 70%, the water content is 6% - 7%, powder mobility and dispersibility are good, rehydration is quick, and the rehydration property is strong. The powder is convenient to store and transport and can be used as main and assisting materials to formulate other biologics. The powder contains bioactive substances including lots of the pectin, the vegetable protein polysaccharide and the like, and has multiple biological functions such as enhancing immunity, resisting radiation, resisting tumors, delaying senescence and the like.
Owner:何家庆

Method for processing garlic granule through vacuum freezing and microwave vacuum serial combined drying

The invention discloses a method for processing garlic granules through vacuum freezing and microwave vacuum serial combined drying, belonging to the key technical field of garlic deep processing. The method comprises the steps of selecting raw materials, cutting off bases, removing skins, cutting the raw materials into cubic garlic granules with length of side being 5mm by using a dicer and containing the diced materials in trays at two layers; after the diced materials are contained in the trays, pre-freezing at negative 20DEG C for 4 hours; after pre-freezing is finished, reducing the temperature of a cold trap to negative 45DEG C to negative 35DEG C in advance, placing the materials in a freeze-drying chamber, vacuumizing the freeze-drying chamber to be below 12Pa for vacuum freeze-drying, and stopping vacuum freeze-drying after approximate 7 hours till the water content is 30 percent; taking out the trays, immediately placing the trays in a microwave vacuum drying machine, starting up a vacuum pump, starting microwave when vacuum degree reaches 90KPa to 120KPa for drying 15-20 minutes under the condition of power being 420W, and stopping drying after the safe water content isbelow 6 percent. Not only can the garlic granules obtained by adopting the drying process reserve the excellent quality of common vacuum freeze-dried garlic granules, but also the time of vacuum freeze-drying process is shorted and the energy consumption is reduced.
Owner:NANJING UNIV OF FINANCE & ECONOMICS +1

Fullerene skin cleaning skin care product and use method thereof

The invention relates to the field of skin care products, provides a fullerene skin cleaning skin care product and a use method thereof and aims at solving the problem of easiness in oxidation of VC derivatives. The invention provides the fullerene skin cleaning skin care product and the use method thereof. The fullerene skin cleaning skin care product is prepared from a freeze-dried powder and asolvent; the freeze-dried powder is prepared from the following components in parts by mass: 2-5 parts of water-soluble fullerene, 3-8 parts of the VC derivative, 0.5-1 part of trehalose and 75-90 parts of water; and the solvent is prepared from the following components in parts by mass: 0.1-0.5 part of carnosine, 6-12 parts of promoter, 1-3 parts of revertose skin brightening agent and 80-99 parts of water. The VC derivative can inhibit melanin pigmentation, but is very easily oxidized and is difficultly absorbed by skin, so that the VC derivative needs to be modified to be improved in oxidation resistance; the fullerene has efficient oxidation resistance, the VC derivative and the fullerene are compounded, the trehalose or the revertose skin brightening agent are added to improve the moisturizing effect, and the promoter is added to improve the effect of production of melanin; and the carnosine can strengthen the antioxidant effect of the fullerene and is reacted with a part of freeradicals.
Owner:广州宝莱生物科技有限公司

Processing method of fresh-keeping instant rice noodles

The invention provides a processing method of fresh-keeping instant rice noodles, and relates to the technical field of food processing. The processing method of the fresh-keeping instant rice noodlescomprises the following steps of (1) preparing the raw materials; (2) performing fermentation; (3) performing milling to obtain pulp; (4) performing blending; (5) performing enzymolysis; (6) performing twin-screw extruding and shaping; (7) performing ageing; (8) performing cooking once again; (9) performing noodle washing, and performing cutting off; (10) performing metering and packing; (11) performing post-sterilizing; and (12) performing cooling. According to the fresh-keeping instant rice noodles, the compounding ratio of the materials is adjusted and controlled, and secondary fermentation is combined with optimization treatment with diastase, noodle cooking, cooking, recooking, post-sterilizing and quick cooling, so that the problems that rice noodles are subjected to beta configuration (namely retrogradation) and cannot be stored for a long term can be solved, the rice starch can maintain alpha state, and the instant rice noodles being rapid in rehydration, good in mouth feel and edible after being brewed for a short time, can be made.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Instant white fungus thick soup with high dietary fibers and low GI value and processing method of instant white fungus thick soup

The invention belongs to the technical field of processing of white fungus thick soup, and particularly relates to instant white fungus thick soup with high dietary fibers and low GI value and a processing method of the instant white fungus thick soup. The white fungus thick soup is made from the following raw materials in parts by weight: 2-5 parts of chia seeds, 0.5 part of basil seeds, 1 part of dried red dates, 0.5 part of dried Chinese wolfberry fruits, 0.01-0.04 part of sucralose, 50-80 parts of fresh white funguses and 100-150 parts of pure water. The fresh white funguses are combined with natural plant raw materials of the chia seeds, the basil seeds and the like containing high dietary fibers, and a vacuum freeze drying technique is adopted, so that an instant product which is high in dietary fibers, low in glycemic index, balanced in nutrients, good in flavor and eating mouth feel, good in rehydration properties and easy to store and carry is prepared. The dietary fibers of the instant white fungus thick soup product are greater than or equal to 28g/100g, the GI value is smaller than 55, after being brewed, the instant white fungus thick soup has fresh, smooth and viscous sense of the white funguses, the serum cholesterol can be reduced, the satiety can be improved, the control on blood sugar and the weight can be facilitated, and the white fungus thick soup is suitable for fat people and diabetics to eat.
Owner:INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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