168results 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 a processing technology of a quinoa seedling bud green juice bubble functional beverage, and belongs to the technical field of beverage processing. Comprising the steps of raw material pretreatment, crushing and juicing, filtration treatment, enzyme deactivation treatment, blending, sterilization treatment and carbonation treatment. In the filtering process, a product obtained after juicing is filtered through a 200-400-mesh filter screen and then filtered through a filter material; the filter material comprises modified PVDF (polyvinylidene fluoride), modified chitosan, modified MOFs (metal organic frameworks) and modified titanium dioxide. The modified MOFs are obtained by acetylating MOFs and then modifying the MOFs with a silane coupling agent; the modified PVDF is obtained by sequentially grafting sulfobetaine metacrylic acid ester, polyethylene glycol metacrylic acid ester and alkyl acrylate on PVDF; the modified chitosan is obtained by sequentially grafting PEG-acrylic acid and methyl methacrylate to chitosan; the modified titanium dioxide is obtained by modifying titanium dioxide through a silane coupling agent. The chenopodium quinoa seedling buds are made into the bubble functional beverage, so that the beverage is endowed with good taste; the filter material can reduce loss of protein and polyphenol and effectively retain nutritional ingredients.

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 invention relates to the technical field of food processing, and discloses a magnetic field fresh-keeping control method based on electromagnetic field assistance, which comprises the following steps: step 1, cleaning and peeling: cleaning fruit raw materials, removing impurities such as silt, draining, and peeling and denucleating; the raw materials obtained in the first step pass through a radio frequency processing cavity, the radio frequency power is 70-80%, and the radio frequency time is 90-120 s. And step 3, cutting and packaging: cutting the raw materials obtained in the step 2, and putting the cut raw materials into a plastic box or a packaging bag for sealing and packaging. And 4, magnetic field storage: putting the fresh-cut fruits obtained in the step 3 into a magnetic field incubator, and carrying out fresh-keeping treatment in a static magnetic field mode at the magnetic field intensity of 3-5mT and the temperature of 2-4 DEG C. The dual-mode technical scheme of radio frequency pretreatment combined with static magnetic field storage is adopted, dual regulation and control of enzyme activity inhibition and microorganism inactivation are achieved, and spoilage microorganisms are controlled within a safety threshold value while the natural color and luster of fruits and vegetables are kept.

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 relates to the technical field of extraction and processing of radix puerariae and perilla frutescens, and particularly discloses a compound extract of radix puerariae and perilla frutescens as well as a preparation method and application of the compound extract. The preparation method comprises the following steps: slicing radix puerariae, cleaning with purple perilla, drying, adding water to adjust the water content, adding a leavening agent, and fermenting to a specific pH value to obtain a fermented product; and performing reflux extraction on the fermentation product by using a deep-eutectic solvent to obtain the deep-eutectic solvent extract. Mixing the extract with ethanol, and performing supercritical carbon dioxide extraction to obtain a supercritical carbon dioxide extract. Carrying out water extraction and alcohol precipitation treatment on the extract to obtain a primarily purified extract; and finally, separating by using macroporous resin to obtain the final compound extract of the radix puerariae and the perilla frutescens. According to the method, the extraction rate of flavonoid compounds and other bioactive substances in the compound extract is remarkably increased, so that the compound extract shows excellent effects in the aspects of reducing blood pressure, reducing blood sugar, reducing blood fat and the like, can be used as a daily diet supplement, and is widely applied to the fields of foods, medicines and health-care products.

The invention discloses mulberry leaf flavone as well as a preparation method and application thereof, and belongs to the technical field of natural product extraction and preparation. Flavone is released through a microwave-assisted enzyme method, flavone is dissolved through a deep eutectic solvent, the reaction rate is increased through microwave treatment, meanwhile, the catalytic activity of enzyme can be enhanced, and the enzymatic reaction speed and yield are effectively increased; the deep-eutectic solvent contains a large amount of hydroxyl groups and amino groups, the hydroxyl groups and the amino groups can easily form hydrogen bonds with flavone, the solubility of the flavone in the deep-eutectic solvent can be increased, and meanwhile the total extraction amount of the flavone is increased under the dual auxiliary effects of microwaves and enzyme; by adopting a resin separation method, high-purity mulberry leaf flavone, mulberry leaf alkaloid and mulberry leaf polysaccharide can be obtained. The mulberry leaf flavone and the mulberry leaf alkaloid which are prepared and separated by the method can be conveniently and rapidly proportioned according to the requirements, and the mulberry leaf flavone and the mulberry leaf alkaloid can be widely applied to the aspect of hypoglycemic food.

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 discloses a preparation method of jade sugarcane juice, and relates to the technical field of food processing, the method comprises the following steps: S1, juicing and ozone sterilization; s2, adding a green color fixative for color protection treatment; s3, adding a clarifying agent; s4, performing non-thermal sterilization treatment; and S5, packaging and storing. The green color fixative is prepared from the following raw materials in percentage by weight: 10 to 20 percent of organic acid, 1 to 3 percent of green tea extract, 0.5 to 1 percent of apple polyphenol, 0.3 to 1 percent of sodium sulfite and the balance of water. The method can effectively sterilize and maintain the quality of the sugarcane juice, ensures that the original color, texture and flavor are not lost in long-time storage, and the prepared sugarcane juice is clear and bright in jade.

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 belongs to the technical field of food processing, and particularly relates to a citrus gonggan whole fruit juice beverage and a preparation method thereof. The citrus gonggan whole-fruit juice provided by the invention is prepared by the following steps: performing whole-fruit juicing on a citrus gonggan raw material by adopting technologies such as fruit juice micronization combined with compound enzyme efficient catalysis and the like, performing wet-process superfine grinding treatment on tissues such as pulp and peel, effectively crushing, dispersing, homogenizing, emulsifying and sterilizing, and then adding compound enzyme for enzymolysis, debitterizing and sterilizing to obtain the citrus gonggan whole-fruit juice. The citrus gonggan whole fruit juice beverage prepared by the preparation method disclosed by the invention has the advantages of strong citrus gonggan flavor, moderate viscosity, rich taste, rich nutrition and high stability, and a theoretical basis is provided for developing high-quality citrus gonggan whole fruit juice products.

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 present invention belongs to the field of pharmaceutical technology, and specifically relates to a new compound and its application. The compound is a new benzophenone compound, and the application involved is the use of the above compound for preparing antioxidant drugs; the compound has an obvious antioxidant effect; moreover, the raw materials for preparing the compound are rich in resources, the extraction and separation technology is less difficult, the solvent can be recycled, and the production cost is low.

The present invention belongs to the technical field of traditional Chinese medicine extraction and separation, and particularly relates to an adenosine compound in purslane, and its extraction, separation method and use. The adenosine compound has a molecular formula of C 12 H 15 N5O5, and is named N-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9 H -purin-6-yl)acetamide 5-hydroxypicolinamide. The present invention also provides a method for extracting and separating the above adenosine compound, which sequentially uses water decoction extraction, macroporous resin column chromatography, ODS column chromatography and high performance liquid chromatography for separation, purification and preparation. Its structure is determined to be a new natural product by methods such as mass spectrometry, hydrogen nuclear magnetic resonance spectroscopy, carbon nuclear magnetic resonance spectroscopy and two-dimensional nuclear magnetic resonance spectroscopy. The adenosine compound N-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9 H -purin-6-yl)acetamide 5-hydroxypicolinamide has anti-inflammatory activity, anti-cholinesterase activity and antioxidant activity, and the compound and its salts or derivatives can be used as raw materials for drug development and pharmacological activity research.

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 royal jelly impurity removal process which comprises the following steps: (1) taking a light three-dimensional mesh material, soaking in a beewax-ethanol solution, and volatilizing ethanol after soaking to obtain an impurity removal adsorption material; (2) spreading the impurity-removing adsorption material on the surface of the fresh royal jelly, introducing nitrogen to carry out micro-bubble flotation, and taking out the impurity-removing adsorption material after flotation to obtain the royal jelly after flotation; and (3) centrifugally separating the floated royal jelly to obtain centrifugal slurry and precipitate, adding water into the precipitate for washing, standing for layering, removing impurities at the bottom layer, and uniformly mixing the obtained crystal particles with the centrifugal slurry to obtain the royal jelly. According to the method, most of impurities in the royal jelly can be removed by combining a special adsorption impurity removal material with microbubble flotation, then impurities such as dust are removed through centrifugal separation, the impurity removal effect can be comprehensively and effectively improved, effective components of the royal jelly cannot be affected, stable existence of 10-HDA in the royal jelly is promoted, and the storage effect is improved.

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 relates to a compound vomitoxin detoxification agent as well as a preparation method and application thereof, and belongs to the field of feed additives. The compound vomitoxin detoxification agent comprises the following components: detoxification bacteria, glucose oxidase, an adsorbent and a eucommia ulmoides extract, the detoxification bacteria are lactobacillus plantarum, pediococcus pentosaceus and saccharomyces cerevisiae. The compound vomitoxin detoxification agent can effectively reduce DON toxins in feed, improve the antioxidant capacity of animals, improve immunity, regulate intestinal flora and promote animal growth.

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.