119results about "Food adsorption" patented technology

The invention discloses a feed additive for relieving animal mycotoxin poisoning and a preparation method thereof. The feed additive comprises the following components in parts by weight: 25-30 parts of attapulgite, 25-30 parts of montmorillonite, 25-30 parts of yeast cell walls, 2-5 parts of vitamin E, 5-10 parts of taurine and 5-10 parts of lipoic acid. The feed additive disclosed by the invention can be used for remarkably improving the harm problem of mycotoxin in the livestock and poultry breeding production process and reducing the economic loss of livestock and poultry farmers caused by the mycotoxin pollution of the feed.

The invention discloses a preparation method of a mycotoxin degrading enzyme intelligent slow-release feed additive, and relates to the technical field of feed additive production, a double-emulsion embedding technology is adopted, enzyme is embedded in a multi-layer shell composed of chitosan, sodium alginate and an enteric polymer Eudragit S100, and then Ca < 2 + > ion cross-linking solidification is performed to obtain the mycotoxin degrading enzyme intelligent slow-release feed additive. And finally, freeze-drying or spray-drying to obtain the core-shell structure microcapsule. The obtained microcapsules are compounded with functional carriers such as yeast cell walls, sodium aluminosilicate, mannan oligosaccharide, talcum powder and the like to prepare finished products which can be directly added into various feeds. The release rate of the additive in simulated gastric juice with the pH value of 2.0 for 4 hours is lower than 15%, the release rate of the additive in simulated intestinal juice with the pH value of 6.8 for 6 hours exceeds 90%, the enzyme activity can be effectively protected, and targeted release of intestinal tracts is achieved; meanwhile, the compound carrier has a synergistic adsorption effect on various mycotoxins, and the degradation rates of aflatoxin B1, zearalenone and ochratoxin A in an in-vitro experiment respectively reach 87% or above.

The invention discloses weight-reducing and blood-sugar-reducing meal replacement powder for increasing satiety and a preparation method thereof, and belongs to the technical field of meal replacement powder. Comprising resistant starch, bio-enzyme modified whey protein concentrate, bio-enzyme modified soybean protein isolate, bio-enzyme modified white kidney bean hydrolyzed protein, oat fiber powder, nano emulsion milk powder, mogroside, chitosan, inulin, konjac powder, pumpkin seed powder, a cactus extract, a griffonia simplicifolia seed extract and a Chinese waxgourd peel extract. Through the synergistic effect of multiple components and multiple processes, the obvious effects of satiety, weight loss and blood sugar reduction are achieved. 5-hydroxytryptophan in the griffonia seed extract can regulate satiety center and delay hunger sensation; dietary fibers such as the resistant starch and the inulin absorb water and swell in intestinal tracts to form high-viscosity gel, so that the satiety is further enhanced, and the eating frequency and the eating amount are reduced. A low-calorie and high-protein formula is combined with components such as tartronic acid in the Chinese waxgourd peel extract and the cactus extract, so that fat catabolism is accelerated, and fat synthesis is inhibited.

The application discloses a kind of metal-loaded starch aerogel and its preparation method and application, comprising the following steps: (1) starch and water are prepared into starch milk, starch milk is heated, and gelatinized starch solution is obtained;(2) sodium laurate is added to the gelatinized starch solution and heated to react, and after the reaction is completed, starch-sodium laurate complex solution is obtained;(3) metal nitrate solution is added to the above-mentioned complex solution, and after stirring uniformly, a reducing agent is added to reduce metal ions, and metal-loaded starch hydrogel is obtained;(4) the above-mentioned hydrogel is pre-frozen and freeze-dried to obtain metal-loaded starch aerogel.The metal-loaded starch aerogel of the application has excellent ethylene adsorption capacity, with an adsorption capacity of about 32 mL / g, good adsorption stability, and the adsorption process can be carried out at normal temperature and pressure, which can be used for fruit preservation.

The invention discloses a method for removing fishy smell of meat through ultrasonic-assisted enzymolysis, and belongs to the technical field of meat processing. The method comprises the following steps: putting a meat raw material into clear water, carrying out ultrasonic treatment for 8-15 minutes, then immersing the treated meat raw material into a compound enzyme solution containing papain and lipase, and carrying out enzymolysis for 30-90 minutes; and soaking the tenderized meat with a lactic acid bacteria fermentation broth for 30-40 min. According to the method, ultrasonic waves are combined with an enzymolysis method, so that the content of fishy smell substances (sulfide, aldehyde and the like) is comprehensively reduced by 53.2%-83.4%, and the score of sensory fishy smell is reduced by 72.4%.

The invention discloses an intelligent garlic storage system and method based on metabolite closed-loop feedback. The intelligent garlic storage system comprises a metabolite detection module, a data processing module, a dynamic regulation and control module and a feedback control unit. The metabolite detection module is used for collecting the concentration of thioether, polyphenol and fatty acid metabolites in a garlic storage environment in real time; the data processing module integrates a machine learning algorithm and is used for receiving the concentration of the metabolite collected by the metabolite detection module and generating a regulation and control instruction of environmental parameters; the dynamic regulation and control module is used for regulating environment parameters according to the regulation and control instruction; and the feedback control unit is connected with the metabolite detection module and the dynamic regulation and control module and is used for optimizing environmental parameters according to a closed-loop control algorithm. According to the method, the change of the key metabolite concentration in the garlic storage process is monitored in real time, the environment parameters are dynamically regulated and controlled in combination with a machine learning algorithm, and the storage environment is dynamically optimized, so that the shelf life of garlic is prolonged, and the operation energy consumption is reduced.

The invention relates to the technical field of feed production, in particular to an azolla filliculoidas fresh leaf fermented feed which comprises the following components in parts by weight: 70 parts of azolla filliculoidas silage sections, 20 parts of a composite carrier matrix, 5 parts of a natural anti-caking and toxin adsorbent, 7 parts of functional liquid, 10 parts of an energy and flavor synergist and 2 parts of zymophyte. Functional liquid is converted into chitosan oligosaccharide through ultrasonic treatment, and long-chain chitosan is broken into high-solubility chitosan oligosaccharide; through cold plasma activation, an active functional group is grafted on the surface of a chitosan oligosaccharide molecule to form a nanoscale compact protective film; the protective film can inhibit pollution of aerobic mould and saccharomycetes after unsealing, prolong the shelf life of the feed, reduce loss of volatile fatty acids and flavor substances generated by fermentation, and maintain the nutritional value and palatability of the feed.

The invention discloses a gastrodia elata fermented beverage and a preparation method thereof, and belongs to the technical field of food processing, the gastrodia elata fermented beverage is mainly prepared from drinking water, gastrodia elata juice, white granulated sugar and honey, and lactobacillus plantarum is adopted for fermentation. The preparation method comprises the following steps: quickly freezing the gastrodia elata, unfreezing by microwaves, and extracting the original juice to obtain the gastrodia elata juice; preparing slow-sugar gel from white granulated sugar, corn starch, konjac glucomannan, beta-cyclodextrin and citric acid; the preparation method comprises the following steps: uniformly mixing and stirring drinking water, gastrodia elata juice, slow-sugar gel and honey, grinding, homogenizing, bottling, sterilizing, cooling to a proper temperature, inoculating lactobacillus plantarum, and finally performing constant-temperature fermentation to obtain the gastrodia elata fermented beverage. The gastrodia elata fermented beverage is stable in fermentation effect, the obtained gastrodia elata fermented beverage is better in flavor and high in nutrient content and has a very good health-care function, and a new way is provided for deep processing of gastrodia elata and development of high-added-value products.

The application discloses a method for extracting ketone ester from ginkgo leaves, products and applications thereof, and relates to the technical field of plant extraction. The method comprises the following steps: uniformly mixing ginkgo leaf dry powder with lime water suspension, then performing hydrothermal extraction, then separating to obtain filtrate, and adjusting the pH value of the filtrate to neutral to obtain pH-neutral filtrate; using a macroporous resin to perform adsorption and elution treatment on the pH-neutral filtrate to obtain eluate, and performing drying treatment on the eluate to obtain ginkgo leaf ketone ester; the elution treatment uses ethanol aqueous solutions with increasing concentrations in sequence. The method provided by the application can effectively improve the extraction yield of ginkgo leaf ketone ester, and the antioxidant effect of ginkgo leaf ketone ester obtained by using the method is greatly improved.

The invention discloses a pharmaceutical composition for reducing methane emission of ruminants and improving feed digestibility and a preparation method of the pharmaceutical composition, and belongs to the technical field of feed additives. Comprising the following components in parts by weight: 35-45 parts of malt, 30-40 parts of mangnolia officinalis and 25-35 parts of rhizoma atractylodis. During preparation, the malt, the mangnolia officinalis and the rhizoma atractylodis are respectively crushed and sieved, and then the crushed malt, the crushed mangnolia officinalis and the crushed rhizoma atractylodis are fully mixed to obtain the pharmaceutical composition. On one hand, the antibacterial characteristics of the cortex magnoliae officinalis and the rhizoma atractylodis can remodel gastrointestinal tract microflora, the activity of microorganisms closely related to methane generation such as methanogens is accurately inhibited, and methane emission is reduced from the source; and on the other hand, digestive enzymes of malt directly act on feed nutrition decomposition, and magnolia officinalis and rhizoma atractylodis jointly construct an efficient digestion system by maintaining intestinal health and optimizing a digestion environment, so that the feed digestibility is remarkably improved, and growth, development and production performance improvement of ruminants are promoted.

The invention discloses a walnut kernel skin active component enrichment method based on differential pressure blasting puffing and gradient biotransformation, and relates to the technical field of agricultural product deep processing and plant active component extraction, and the method comprises the following steps: S1, carrying out differential pressure blasting puffing treatment on dried walnut kernel skin, maintaining the pressure of the material at 0.8-1.5 MPa for 10-60 seconds, and then instantaneously releasing the pressure to normal pressure within 0.05-0.2 seconds, the porosity is increased, cell walls are broken, and the specific surface area is increased; s2, mixing the puffed walnut kernel skin and water according to a solid-liquid mass ratio of 1: 10-1: 30 to form slurry, adding a compound enzyme system containing cellulase, hemicellulase, pectinase, tannase and / or protease, and performing enzymolysis for 1-4 hours under the conditions that the temperature is 45-55 DEG C and the pH is 4.5-6.0, so that cell wall components are partially hydrolyzed and bound phenols are released; and S3, sequentially carrying out first-stage fermentation and second-stage fermentation on the materials subjected to enzymolysis.

The present invention discloses a modified montmorillonite for use in mycotoxin adsorption. The invention utilizes a specific organic solvent for thermal swelling and exfoliation treatment of the montmorillonite, exposing more adsorption active sites on the montmorillonite's two-dimensional surface. This increases the specific surface area of ​​the montmorillonite nanosheets and enhances their adsorption capacity for weakly polar compounds. Combined with thermal activation and ultrasonic treatment, the modified montmorillonite further enhances its surface area, ultra-thin montmorillonite nanosheets, and a high proportion of coordinatively unsaturated surface sites. This increased number of active sites enables the modified montmorillonite to exhibit strong adsorption capacity in mycotoxin adsorption applications, particularly significantly improving adsorption efficiency for weakly polar mycotoxins such as zearalenone and vomitoxin by at least 93.17% and 49.31%, respectively, compared to unmodified sodium montmorillonite.

A method for debitterizing wheat protein peptide residue (WPPR) includes steps S1-S5. S1, the wheat protein peptide residue are taken to crush, and then deionized water are added into the crushed WPPR to obtain the peptide residue solution; S2, debitterizing modified solution is added to the peptide residue solution (PRS), and the PRS is filtered to obtain a preliminarily modified peptide residue solution (PMPRS); S3, modified flavor protease is added to the PMPRS, stirred and heated in a water bath to obtain a debitterized peptide residue (DPR) solution; S4, a supernatant of the debitterized peptide residue solution is removed to obtain a remaining solution, and the remaining solution is poured into a centrifuge tube to centrifugate to obtain a peptide residue precipitate; and S5, supercritical carbon dioxide extraction is performed on the peptide residue precipitate, and freeze-dried to obtain a final debitterized peptide residue product.

The invention provides a preparation method and application of high-palatability carrot dietary fibers. The method comprises the following steps: (1) washing and dicing carrots; (2) cellulase and saccharifying enzyme enzymolysis; (3) constructing a two-phase system, adding a compound enzyme and pectinase, and carrying out gradient enzymolysis; (4) carrying out enzyme deactivation and centrifugation to obtain a water phase; (5) performing gradient centrifugation to obtain mixed fibers; (6) precipitating, and collecting precipitated fibers; (7) adding carrot source nano cellulose to obtain a composite fiber with a core-shell structure; and (8) drying, crushing and sieving. According to the preparation method disclosed by the invention, the core problems of rough taste (large particle size), astringent taste (residual acetyl groups and terpene substances), weak function and low purity in the traditional carrot dietary fiber preparation process are solved through a water-alcohol two-phase gradient composite enzymolysis and nano cellulose composite purification process; and finally, the high-palatability carrot dietary fiber which is fine, smooth, free of rough feeling, natural, fresh and sweet, high in purity and strong in function is prepared.

The invention relates to a composite mildew removing agent as well as a preparation method and application thereof, relates to the technical field of mildew removing agents, and aims at solving at least one of the problems that an existing mildew removing agent is low in vomitoxin and zearalenone adsorption rate, low in degradation capacity, high in cost, unstable in performance and the like. The composite mildew removing agent is prepared from the following raw materials in percentage by mass: 30 to 35 percent of calcium-based montmorillonite, 32 to 42.5 percent of sodium-based montmorillonite, 10 to 15 percent of zinc-loaded montmorillonite, 10 to 15 percent of yeast cell wall, 2 to 5 percent of L2-ascorbic acid, 1 to 2 percent of chitosan oligosaccharide, 0.5 to 1 percent of lactobacillus plantarum and 0.0005 to 0.002 percent of mangiferin. According to the composite mildew removing agent, the calcium-based montmorillonite, the sodium-based montmorillonite and the zinc-loaded montmorillonite have a synergistic effect, so that a multi-stage adsorption network is formed, the space barrier effect is enhanced, two toxins DON and ZEN in feed can be effectively removed, the loss that the feed cannot be used or needs to be degraded for use due to toxin pollution is reduced, the utilization rate of the feed is increased, and the feed quality is improved. The production cost of feed enterprises is reduced.

The invention relates to the technical field of preparation of food ingredients, in particular to a process for preparing a hotpot condiment sauce from plant extracts. The preparation process comprises the following steps: preparing the peanut protein freeze-dried powder; purified peanut chili oil and flavor peptide powder are prepared; preparing a tea fragrance extract; preparing a chitosan and tea dust composite film forming liquid; and preparing the hotpot condiment sauce. The flavor peptide is extracted from the peanuts, so that the delicate flavor of the hotpot condiment sauce is improved, the fragrance is lasting and stable, the delicate flavor is too obvious due to pure preparation of the peanut flavor peptide, so that the condiment sauce is too salty, and therefore, the chili powder is added for co-extraction, and in the enzymolysis process, after peanut protein enzymolysis, protease continues to conduct enzymolysis on the chili powder, and the flavor of the hotpot condiment sauce is improved. And the peanut protein enzymatic hydrolysate can assist the chili in enzymolysis, so that the peppery taste of the chili is fully preserved in the enzymatic hydrolysate in the enzymolysis process, and then the delicate flavor of the dipping sauce is improved through a Maillard reaction.

The invention discloses a separation process of a pancreatic lipase inhibitor Lycrutheophylpropanoid H with a new structure in red Chinese wolfberry fruits and application of the pancreatic lipase inhibitor Lycrutheophylpropanoid H with the new structure in the red Chinese wolfberry fruits. The specific preparation process comprises the following seven steps: extraction, on-line pancreatic lipase inhibitor component recognition, hydrophilic water pressure preparation column coarse separation, reversed-phase high-pressure preparation column preparation, hydrophilic high-pressure preparation column preparation, gel filtration chromatography and in-vitro pancreatic lipase inhibition experiment. The method is low in cost, and the product purity is greater than 95%; the technical means adopted by the invention can be used for large-scale production: the raw material requirement is not high, the cost is low, and batch material preparation is easy; in the preparation process, solvents and separation materials used by an extraction solvent, a hydrophilic preparative column, a reversed-phase preparative column, gel chromatography and a reversed-phase chromatographic column can be recycled.

The invention discloses a separation process of an alpha-glucosidase inhibitor Lycbarbarspermides Q with a new structure in red Chinese wolfberry fruits and application of the alpha-glucosidase inhibitor Lycbarbarspermides Q with the new structure in the red Chinese wolfberry fruits. The specific preparation process comprises the following seven steps: extraction, on-line alpha-glucosidase inhibitor component identification, hydrophilic water pressure preparation column coarse separation, reversed-phase high-pressure preparation column preparation, hydrophilic high-pressure preparation column preparation, gel filtration chromatography and in-vitro alpha-glucosidase inhibition experiment. The method is low in cost, and the product purity is greater than 95%; the technical means adopted by the invention can be used for large-scale production: the raw material requirement is not high, the cost is low, and batch material preparation is easy; in the preparation process, solvents and separation materials used by an extraction solvent, a hydrophilic preparative column, a reversed-phase preparative column, gel chromatography and a reversed-phase chromatographic column can be recycled.

The invention discloses a method for removing fishy smell of rana japonica oil through ultrasonic-natural product compounding. Efficient fishy smell removal is achieved through the synergistic effect of an asparagus extract and a rosemary extract in combination with ultrasonic treatment. The preparation method comprises the following specific steps: (1) preparing an asparagus extract: performing reflux extraction on a dry asparagus product with 60% ethanol, performing spin-drying, and performing freeze-drying to obtain freeze-dried powder; (2) preparing a natural product solution: mixing rosemary and asparagus extracts to prepare a 5mg / mL solution; (3) pretreatment: soaking the rana japonica oil in a natural product solution; and (4) ultrasonic deodorization. The TBARS value, POV value, sulfydryl and carbonyl content determination and sensory evaluation show that the method can quickly and thoroughly remove the fishy smell substances in the rana japonica oil and obviously improve the quality. The technology combines natural plant extracts and physical ultrasonic treatment, has both environmental protection property and high efficiency, and is suitable for deep processing of the rana japonica oil.

The invention belongs to the technical field of medicines, and particularly relates to an application of butyrolactone metabolic ketone I separated from a rat excrement metabolite of an aspergillus terreus secondary metabolite butyrolactone I in preparation of an antioxidant drug. The compound has an obvious anti-oxidation effect; the raw materials for preparing the compound are rich in resources, the extraction and separation technical difficulty is small, the solvent can be recycled, and the production cost is low.

The invention provides phycocyanin-containing low-sodium salt and a preparation method thereof, and relates to the field of low-sodium salt. The preparation method of the phycocyanin-containing low-sodium salt comprises the following steps: pretreatment, preparation of a composite seed crystal dispersion liquid, and blending crystallization. According to the preparation method of the low-sodium salt containing phycocyanin, the phycocyanin and the low-sodium salt can be effectively combined, and the problem that the phycocyanin is easy to lose efficacy in the preparation of the low-sodium salt due to poor stability is effectively avoided; meanwhile, the problems that in the crystallization preparation process of the low-sodium salt, phycocyanin cannot be effectively and uniformly combined with the low-sodium salt crystals formed by growth, and the growth of the normal crystallization crystals of the low-sodium salt is influenced are further avoided.

The application relates to the technical field of mold removers, in particular to a preparation method of a composite mold remover and the composite mold remover. The preparation method of the composite mold remover comprises the following steps: S1. preparing modified montmorillonite; S2. culturing Brevibacillus parvus in a culture medium, obtaining Brevibacillus parvus bacterial liquid after the culturing is completed, and then preparing the obtained bacterial liquid into dry powder; S3. mixing methyl mercaptoacetate, dimethyl trisulfide and 3-methyl butyl sulfide S-methyl ester with water, and then adding the dry powder to obtain a mixed solution; S4. mixing the mixed solution with the modified montmorillonite to obtain a composite mold remover preparation; and S5. drying and packaging the composite mold remover. The composite mold remover obtained by the application is applied to moldy feed, and excellent mold removal effect can be achieved after 24 hours of mold removal treatment.

The invention provides a flaxseed meal dietary fiber preparation method and application thereof.The flaxseed meal dietary fiber preparation method comprises the following steps that firstly, flaxseed meal pulp is subjected to high-power pulse microwave pretreatment, after vacuum drying, bacillus subtilis K6 is inoculated for solid-state fermentation, then double enzymolysis is conducted through amylase and protease, and the flaxseed meal dietary fiber is obtained; soluble dietary fibers and insoluble dietary fibers are extracted, the insoluble dietary fibers are subjected to compound modification through rutin and betaine, and the soluble dietary fibers are extracted through adsorption and purification of composite surface imprinted microspheres. The method obviously improves the yield and purity of the soluble dietary fibers in the flaxseed meal, the activity function of the insoluble dietary fibers is obviously enhanced after the insoluble dietary fibers are subjected to composite modification, and the flaxseed meal can be used for developing functional food or health care products. The method disclosed by the invention is green, environment-friendly, stable in process and suitable for large-scale production, and the comprehensive utilization value of the flaxseed meal is effectively improved.

The invention relates to the related technical field of solid beverages, in particular to a multifunctional blueberry solid beverage and a preparation method thereof.The preparation method comprises the steps that fruits are cleaned and then smashed, and acid water is added for soaking; the high-voltage electric field extraction device is used for extraction, and then coarse filtration is carried out to remove large impurities. Micro-filtration: further removing tiny impurities through an inorganic ceramic micro-filtration membrane to ensure the purity of the extracting solution. And reverse osmosis membrane separation: separating and concentrating the extracting solution through a reverse osmosis membrane device, adsorbing the concentrated extracting solution by using resin, performing gradient elution by using an ethanol solution, and collecting. Separating and concentrating the collected eluent again to obtain an extract, and then performing spray drying to convert the extract into the powdery blueberry extract. And finally, packaging the dried blueberry solid beverage, performing sterilization operation, and then performing drying treatment so as to ensure the sanitary quality and safety of the product, thereby obtaining the blueberry solid beverage.

The invention discloses concentrated citrus reiculata Blanco juice and a preparation method thereof, and relates to the technical field of fruit juice beverage preparation. The specific preparation method comprises the following steps: selecting mature and healthy citrus reiculata Blanco fruits, picking, peeling, washing, and pre-cooling at 1-7 DEG C for 10-20 hours for later use; putting the precooled citrus reiculata Blanco and a low-temperature enzyme preparation into a juicer, and performing low-temperature squeezing at 10-15 DEG C to obtain citrus reiculata Blanco juice; adding a tannic acid-chitosan-bentonite clarifying agent into the citrus reiculata Blanco juice, uniformly mixing, standing for clarification, taking supernatant, and filtering to obtain citrus reiculata Blanco juice; and carrying out vacuum concentration, ultrahigh pressure sterilization and filling on the citrus reiculata Blanco juice to obtain the concentrated citrus reiculata Blanco juice. The novel low-temperature enzyme preparation is adopted to assist low-temperature squeezing, acid modification and multiple flocculants are combined to prepare the clarifying agent for clarifying, the juice yield and clarifying efficiency of the concentrated citrus reiculata Blanco juice are improved, loss of nutrient and flavor substances of the citrus reiculata Blanco juice is effectively prevented, and the product quality is improved.

The invention discloses a composite mildew preventive for feed and a preparation method of the composite mildew preventive, and belongs to the technical field of preparation of composite mildew preventive. Comprising the following steps: carrying out centrifugal separation on beer yeast paste to remove impurities so as to obtain solid yeast, carrying out ultrasonic oscillation and two-stage enzymolysis on the solid yeast, carrying out vacuum drying so as to obtain a yeast extract, and pretreating the yeast extract so as to obtain an alkaline yeast extract solution; the preparation method comprises the following steps: mixing an alkaline yeast extract solution and sodium bromoacetate, stirring and reacting to obtain a modified yeast extract solution, adjusting the pH value of the modified yeast extract solution, filtering to obtain a modified yeast extract, mixing the modified yeast extract, cinnamyl aldehyde, ammonium propionate and montmorillonite K10, and crushing to obtain the composite mildew preventive for feed. By synergistically reducing the number of mould and the content of mycotoxin in the feed, the effect of the composite mildew preventive for the feed is improved.

A new gypenoside based on gypenoside and its preparation and application, namely (4ζ)-α-terpineol 8-O-[β-D-xylopyranosyl-(1→6)-β-D-glucopyranoside], the molecular formula is C 21 H 36 O 10 , the structural formula is as follows: the application is obtained by extraction, purification and separation from gypenoside, has the activity of reducing lipid and reducing cholesterol, has the purpose of being prepared into lipid-lowering and cholesterol-lowering drugs, meanwhile, the application is simple in operation and high in feasibility, the prepared compound is high in purity, and has the prospect of industrial application.

The present invention discloses a preparation method and application of an American ginseng extract rich in rare ginsenosides, belonging to the technical field of rare ginsenoside preparation. The method solves the problem that the content of Rg3, Rg5, and Rk1 in existing extracts needs to be improved. First, the root of American ginseng is sliced ​​or crushed and mixed with water, and boiled for 2-5 hours; (2) a 50%-70% ethanol solution is added at 40-80°C for soaking and filtering, and the filter cake is further added with a 50%-70% ethanol solution at 40-80°C for soaking and filtering, the filtrate is combined, heated at 120-140°C for concentration, and ethanol is recovered; (3) the concentrate is applied to a macroporous resin column, first rinsed with 3 column volumes of water, then eluted with 60-95% ethanol, the alcohol phase eluate is combined, heated at 120-135°C for concentration, and ethanol is recovered to obtain an American ginseng extract rich in rare ginsenosides Rg3, Rg5, and Rk1, which can be used in functional foods, health products, and biopharmaceutical products.

The invention discloses lung-moistening snow pear paste containing radix astragali and rhizoma atractylodis macrocephalae and a preparation method of the lung-moistening snow pear paste, and belongs to the technical field of health care product processing. Aiming at the component characteristics of astragalus membranaceus, atractylodes macrocephala koidz and divaricate saposhnikovia root, three targeted extraction modes of ultrasonic, microwave and reflux are respectively adopted, and macroporous adsorption resin purification is combined, so that the effective components of astragalus polysaccharide, atractylenolide and divaricate saposhnikovia root are reserved to the maximum extent, and the extraction rate is obviously improved compared with that of a traditional water boiling method; the core matrix is subjected to high-pressure homogenization and particle refining, and the traditional Chinese medicine effective components and the matrix are subjected to ultrasonic emulsification to realize molecular-level fusion, so that the problems of poor compatibility and easy layering of the traditional Chinese medicine components and the matrix in the traditional process are solved, the pasty fluid fineness is improved, and the pasty fluid tastes smooth and has no granular sensation; through cooperative use of the stabilizer and then vacuum low-temperature concentration, damage to heat-sensitive components is avoided, and the storage time of the product is prolonged.

The present application relates to the technical field of plant extract beverage preparation, in particular to a preparation process and device for a plant extract beverage, the preparation process comprising the following steps: selecting, removing impurities, removing dust and crushing one of tea, American ginseng, dendrobium, astragalus, wolfberry fruit, cistanche, angelica and polygonatum; adding water until the mixture is soaked through to obtain a material-water mixture; extracting the material-water mixture with three times of ethanol of a specified concentration; combining the three times of extraction liquid and conveying the combined extraction liquid into a reduced-pressure concentration tank for reduced-pressure concentration treatment, then eluting the extraction liquid with a macroporous adsorption resin column to obtain a traditional Chinese medicine extract, drying the traditional Chinese medicine extract, mixing the dried traditional Chinese medicine extract with resistant dextrin, stevioside, citric acid, vitamins, beta-cyclodextrin and other auxiliary materials in a mixing machine, sterilizing the mixture, and packaging the sterilized mixture to obtain the plant extract beverage; and the preparation device comprises an extraction device, a reduced-pressure concentration tank, a conveying control device and an adsorption and washing device. The present application adopts an ethanol gradient extraction method to comprehensively extract active ingredients in medicinal materials, and the prepared plant extract beverage is convenient to store, carry and drink.