385 results about "Wheat Brans" patented technology

The invention discloses streptomyces DLS188 and application thereof, and belongs to the technical field of microorganisms. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No.33250. The strain is high in humic acid production capacity when being used for fermenting lignocellulose, and the strain is used for fermenting rice straw powder and wheat bran to prepare DLS188 bacterial fertilizer. After the DLS188 bacterial fertilizer is added into soil and wheat is sown, agronomic characters such as the plant height, the leaf length and the leaf number of the wheat can be remarkably promoted. Research on the soil after wheat sowing is completed shows that the addition of the DLS188 bacterial fertilizer significantly changes the microbial community of the soil, increases the diversity and abundance of the microbial community, and increases the content of humus in the soil. It is further shown that the DLS188 bacterial fertilizer is beneficial to adjustment of the soil microbial community structure and can be used for soil improvement. And the method has important significance for realizing resource utilization of agricultural straws.

This invention discloses a microbial inoculant for controlling peanut root rot and its preparation method, belonging to the field of microbial materials technology. This invention screened and obtained a *Trichoderma harzianum* strain with highly efficient inhibitory effects against the pathogen causing peanut root rot. Firstly, the strain itself exhibits antagonistic activity against the peanut pathogen. Secondly, it was prepared as a spore suspension and fermented in solid-state with rice husks and wheat bran. During the solid-state fermentation process, the metabolites produced by *Trichoderma harzianum* promote the growth and development of plant roots, increasing plant biomass and yield. This microbial inoculant effectively controls peanut root rot, exhibiting good inhibitory effects against the pathogen, thus improving peanut quality and disease resistance. Furthermore, it improves soil ecological activity to a certain extent, making it worthy of application and promotion.

The invention discloses a compound feed for raising plateau live pigs and a preparation method thereof, and relates to the technical field of feed processing. The compound feed for raising the plateau live pigs is prepared from manganese-selenium compound modified charcoal, soybean polysaccharide polylysine-based supported nanoparticles, aspergillus oryzae, soybean meal powder, corn flour, wheat bran, mountain flour, calcium hydrophosphate, table salt and multivitamins. Manganese-selenium composite modified charcoal, soybean polysaccharide polylysine-based supported nanoparticles and aspergillus oryzae are subjected to co-fermentation culture to form a uniform, stable, loose and porous three-dimensional network fermentation substrate composite system, so that the damage of gastric acid to components is reduced, the targeted release of intestinal tracts is realized, and the bioavailability is improved. The composite functional additive which is high in nutrition, easy to absorb, anti-oxidation, anti-anemia, anti-ultraviolet radiation and the like is obtained, and the adverse effects of low temperature, oxygen deficit and ultraviolet factors on animal growth and feed oxidative rancidity are effectively reduced.

The invention discloses enterobacter hormaechei XW-01 and a microbial preparation thereof, the strain (preservation number is CCTCC NO: M 20242595) can efficiently degrade protein, total sugar and nicotine in tobacco leaves, sensory indexes such as aroma and aroma quantity are remarkably improved, and protease activity is remarkably improved when the enterobacter hormaechei XW-01 and wheat bran act synergistically. The microbial preparation is obtained through the processes of strain activation, fermentation culture and microbial agent preparation, and when the microbial preparation is applied to tobacco leaf treatment, through the steps of water content adjustment, preparation spraying, sealed fermentation, low-temperature drying and the like, the technical breakthrough that the protein content is reduced, the tar release amount is reduced, and the comprehensive quality grade is improved is achieved. Compared with a traditional method, the technology has the advantages that the treatment period is shortened, the cost is greatly reduced, the COD value of wastewater is greatly reduced, the cigarette quality and the production environmental protection property are remarkably improved, and the method has a wide industrial application prospect.

The invention discloses a method for improving the conversion efficiency of insoluble dietary fibers and soluble dietary fibers obtained by the method, and belongs to the technical field of food processing and functional ingredient modification. The method comprises the following steps: performing superfine grinding treatment on wheat bran to obtain wheat bran powder; adding water into wheat bran powder, and then carrying out high-temperature and high-pressure treatment to obtain a wheat bran solution; then carrying out stepped enzymolysis on the wheat bran solution to obtain enzymatic hydrolysate; the enzymatic hydrolysate is centrifuged, lower-layer solid precipitates are insoluble dietary fibers, supernate is subjected to ethanol precipitation, and the soluble dietary fibers are obtained. The wheat bran is modified by combining superfine grinding and high-temperature and high-pressure pretreatment with stepped enzymolysis, so that the yield of the soluble dietary fibers is remarkably increased, and the functional characteristics of the soluble dietary fibers are improved. The obtained soluble dietary fiber has excellent physicochemical properties and physiological functions, and can be widely applied to baked foods, beverages, dietary supplements and other products, so that the soluble dietary fiber has important application prospects and value in the technical field of food processing.

The invention discloses a bran fermented biological feed and a preparation method thereof, and belongs to the technical field of feeds. The bran fermented biological feed is prepared by uniformly mixing and fermenting the following raw materials: wheat bran, corn flour, soybean meal, calcium hydrogen phosphate, sodium chloride, an enzyme preparation, a water retention setting agent, a mildew preventive and water, wherein the enzyme preparation is prepared from lactobacillus plantarum, bacillus subtilis and saccharomycetes; the mildew preventive is prepared by the following steps: reacting chitosan oligosaccharide with propiolic acid to obtain modified chitosan oligosaccharide, reacting L-cystine with ethyl azidoacetate to obtain an azide compound, and finally reacting the modified chitosan oligosaccharide with the azide compound. The prepared bran fermented biological feed has an excellent mildew-proof effect and a low pulverization rate, and storage and transportation of the feed are facilitated.

The invention discloses a fermentation process of citric acid residues, and relates to the technical field of organic acid fermentation. The fermentation process comprises the following steps: mixing and crushing citric acid residues and wheat bran according to a mass ratio of (4-5): 1 to obtain a mixed material; spraying an ammonia water solution, a magnesium sulfate solution and a zinc sulfate solution into the mixed material, adjusting the pH value to 5.0-5.5, sterilizing, adding a urea solution and a basic nutrient solution, and uniformly mixing to obtain slurry; aspergillus niger and saccharomycopsis fibuligera are mixed according to the spore number ratio of 100: 1, then sterile water is added, the mixture is stirred to be uniform, and bacterial liquid with the spore concentration of 1 * 10 < 7 >-5 * 10 < 7 > / mL is obtained; spraying the bacterial liquid to the surface of the slurry, performing aerobic culture for 40-48 hours under the conditions that the temperature is 30-35 DEG C and the humidity is 80-85%, then cooling to 25-30 DEG C, reducing the humidity to 70-75%, spraying methanol at the same time, and performing sealed culture for 5-6 days; performing drying; and the acid yield and the nutrient substance yield in the finally obtained fermentation product are obviously improved.

The invention provides noodles with a low glycemic index (GI) and a preparation method thereof, and relates to the technical field of food processing. The low-GI noodles provided by the invention are prepared from the following raw materials in parts by mass: 5-10 parts of kale powder, 8-14 parts of bean dreg and wheat bran powder, 75-85 parts of flour and other auxiliary materials, and the bean dreg and wheat bran powder is prepared by mixing a yeast strain in a laboratory with dry bean dregs and dry wheat bran (in a mass ratio of 1: 1), fermenting and then carrying out superfine grinding. The noodles provided by the invention are low-glycemic-index food, have the advantages of low sugar, low fat, low salt, high fiber, moderate hardness, good elasticity and uniform tissue structure, are simple and convenient in processing method and high in product stability, are suitable for serving as staple food to be applied to diet management of diabetes and obesity, are beneficial to improving the blood sugar level of related people, and are suitable for being eaten by people with diabetes and obesity. The overall health condition of citizens is improved.

This invention belongs to the field of whole wheat flour preparation technology, specifically relating to a whole wheat flour prepared by backfilling with wheat endogenous protein / wheat bran composite ultrafine powder and its preparation method. The method modifies wheat bran through ultrafine grinding and synergistic action with wheat endogenous protein using intermolecular interactions, obtaining wheat endogenous protein / wheat bran composite ultrafine powder. This modification treatment improves the whiteness of the wheat bran ultrafine powder, reduces its particle size, increases the soluble dietary fiber content, and improves its water-holding capacity, oil-holding capacity, and swelling capacity. The method provided by this invention utilizes wheat bran coupled with wheat endogenous protein during ultrafine grinding to form wheat endogenous protein / wheat bran composite ultrafine powder based on intermolecular interactions, and high-quality whole wheat flour is prepared by backfilling with this wheat endogenous protein / wheat bran composite ultrafine powder.

The invention belongs to the field of food processing and safety, and provides a steam explosion improved grain processing byproduct and application thereof in preparation of low-GI coarse grain biscuits. The triticale bran is pretreated through a steam explosion (SE) technology, the content of soluble dietary fibers is increased by 53.63% under the conditions of 1.0 MPa and 90 s, and the content of free phytochemicals and the oxidation resistance are the highest; the color of the wheat bran is changed into dark brown / dark brown from light brown, the interior of the wheat bran is of a porous honeycomb structure, the water binding capacity and the swelling property are improved, and an infrared spectrum shows that methyl and methylene structures are damaged and tissues are loosened; the fatty acid value is remarkably reduced, the storage period and the shelf life are effectively prolonged, comprehensive improvement of nutritional ingredients, physicochemical properties, biological activity and storage characteristics is achieved, and remarkable technical advantages are achieved.

The invention discloses a preparation method of fermented quinoa post-generation powder, and belongs to the technical field of functional food raw materials. The method comprises the following steps: mixing a quinoa base material (quinoa bran powder and / or quinoa flour) with water to prepare slurry with the solid content of 10-40% (w / w); carrying out heating and gelatinization treatment on the slurry at 75-100 DEG C for 5-60 minutes, and then cooling to 30-45 DEG C; lactic acid bacteria are inoculated for fermentation, the fermentation temperature is 25-45 DEG C, the fermentation time is 4-48 h, and the pH value at the fermentation end point is controlled to be 3.6-4.6; after the fermentation is finished, carrying out inactivation treatment on a fermentation product at 70-100 DEG C for 1-60 minutes; and drying in a spray drying or freeze-drying manner to obtain the fermented quinoa post-raw powder, wherein the water content of the obtained powder is less than or equal to 10%. According to the method disclosed by the invention, the cereal raw taste and the coarse flour feeling of the quinoa powder can be remarkably improved, the brewing dispersity is improved, the sedimentation is reduced, and the post-prebiotics base powder raw material suitable for normal-temperature storage and development of downstream solid beverages, nutrition powder and other products is obtained.

The invention provides crab feed capable of improving the quality of crab cream. The feed is prepared from the following raw materials in parts by weight: 15-25 parts of white fish meal, 10-15 parts of fermented soybean meal, 50-60 parts of squid visceral meal, 45-50 parts of krill meal, 25-30 parts of beer yeast, 200-220 parts of high gluten flour, 45-50 parts of wheat bran, 10-20 parts of soybean lecithin oil, 5-10 parts of a vitamin premix special for crabs and 5-10 parts of a mineral premix special for crabs. According to the crab feed capable of improving the quality of the crab cream, on the basis of ensuring the ingestion and intestinal health of crabs, conditions are created for efficient nutrient absorption and utilization, then gonad development and flavor substance accumulation are driven through key substances, meanwhile, a three-dimensional anti-oxidation and immune protection system runs through all the time, the body health is guaranteed, and the crab feed has the effects of improving the crab cream quality and improving the crab cream quality. The method has the advantages of simple operation, stable color and flavor of the crab cream, sufficient energy supply in the whole process, and synergistic operation of all the systems, so that the disease resistance and survival rate of crabs are improved, and the accumulated nutrient substances are efficiently converted into the plump degree, delicious flavor and attractive color of the crab cream.

The invention discloses a method for preparing live pig feed through mixed solid-state fermentation of feed rape and rapeseed meal. The method specifically comprises the following steps: harvesting feed rape from a full-bloom stage to a final bloom stage, adding rapeseed dregs, and uniformly mixing to obtain a fermentation substrate with the water content of 55-65%; spraying the compound enzyme bacterium preparation on the fermentation substrate, uniformly stirring, finally compacting by using a packer, sealing, packing and storing, and fermenting for 45 days; the compound enzyme bacterial preparation comprises a bacterial agent and an enzyme agent; the fungicide comprises lactobacillus plantarum, bacillus subtilis, saccharomyces cerevisiae and aspergillus niger; the enzyme agent is prepared from phytase, cellulase, hemicellulase, pectinase, tannase, xylanase and alpha-galactosidase. The feed rape and the rapeseed meal are subjected to mixed solid fermentation, so that the content of phytic acid, glucosinolate and crude fiber is greatly reduced, the content of crude protein is increased, and the nutritional quality of the feed is remarkably improved. The fermented feed is used for replacing part of corn, soybean meal and wheat bran, and the use amount of concentrated feed in live pig breeding is reduced.

The invention discloses a biological energy feed fermentation yeast based on enzyme-mineral synergistic activation and a preparation method thereof. According to the scheme, dual functions of mineral activation and microbial conversion are focused, clinoptilolite, sodium bentonite and kaolin are taken as mineral carriers, lignite humic acid is taken as a nutrient synergist, brown sugar, rice bran and bran organic matrixes are matched, and mineral lattice structures are broken through mechanical crushing and biological enzymolysis pretreatment, so that the mineral active substances are obtained. And through a double-stage fermentation process of'aerobic fermentation to activate flora and anaerobic aging to enrich metabolites' of microorganisms, mineral ions, humic acid active ingredients and probiotic metabolites are released to the maximum extent, and finally, the high-quality biological energy feed fermentation yeast with nutrition supply, digestion promotion and immune regulation functions is formed. According to the bioenergy feed prepared by conversion of the fermentation yeast, the feed crude protein improvement rate is greater than or equal to 20%, the crude fiber degradation rate is greater than or equal to 40%, the feed conversion rate is improved by 10-15%, the intestinal disease incidence rate is reduced by 60-70%, and the bioenergy feed is suitable for various livestock and poultry and aquaculture scenes.

The invention relates to a wheat impurity rate and damage rate detection method and system, and the method comprises the following steps: collecting wheat sample images in single-layer distribution, and carrying out unified preprocessing; a YOLOv8-FCD model is constructed; inputting the collected wheat sample image into the YOLOv8-FCD model, performing target identification on the wheat sample image, and outputting category labels and bounding box information of different targets in the image; and extracting the length and number of the diagonal lines of the bounding box of each target, and calculating the mass of the wheat ears, straws, wheat bran and crushed grains based on the extracted length and number of the diagonal lines of the bounding box of each target in a fitting manner, so as to calculate the impurity rate and the crushing rate of the wheat sample. According to the method, target identification is performed on the wheat sample image by constructing the YOLOv8-FCD model, the accuracy of target identification is improved, and meanwhile, accurate calculation of the impurity rate and the damage rate is realized through the pre-established regression model.

1. The name of the design product: bottle sticker (handmade wheat bran vinegar). 2. The use of the design product: bottle sticker for sticking on the outer packaging bottle and other containers. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: front view. 5. The design product is a flat product, and the left view, right view, top view, and bottom view are omitted.

The invention belongs to the technical field of selenium stabilization, and particularly relates to a selenium stabilization method for selenium-rich wheat bran. The wheat bran selenium steady-state liquid provided by the invention consists of chitosan, pig plasma protein, oleic acid and a dispersion medium, and the mass ratio of the chitosan to the pig plasma protein to the oleic acid is (0.5-1.5): (1-3): (0.5-3). The selenium stabilizing method for the selenium-enriched wheat bran comprises the following steps: freezing the selenium-enriched wheat bran at-4 to-10 DEG C for 12-24 hours, performing freeze drying, and then crushing the obtained freeze-dried selenium-enriched wheat bran to 60-100 meshes to obtain freeze-dried selenium-enriched wheat bran powder; and uniformly mixing the freeze-dried selenium-enriched wheat bran powder with the wheat bran selenium steady-state liquid, freezing for 12-24 hours at the temperature of-4 DEG C to-10 DEG C, and freeze-drying to obtain the selenium-stabilized selenium-enriched wheat bran powder. According to the method, the selenium content of the selenium-rich wheat bran can be efficiently reserved.

The invention relates to a feed additive for producing high-nutrition low-cholesterol eggs. The feed additive comprises natural grains, microalgae and a microalgae extract, and is prepared from the following raw materials in percentage by weight: 20-70% of corn, 5-10% of wheat bran, 5-10% of soybean meal, 5-20% of spirulina powder, 5-20% of chlorella powder and 5-20% of haematococcus pluvialis. The feed additive is added into laying fowl feed according to the proportion of 1-2wt%, the feed additive and the laying fowl feed are uniformly mixed and then fed, low-cholesterol poultry eggs rich in protein, algae source carotenoid, calcium, magnesium, zinc, iron and other nutritional ingredients can be stably obtained after the laying fowl feed is fed for 2 weeks, compared with common poultry eggs, the cholesterol content can be reduced by 26%, and the poultry eggs are fine and smooth in taste, free of fishy smell and good in taste. The nutrition and quality of poultry eggs are remarkably improved, and economic benefits are improved.

A fermented traditional Chinese medicine feed additive for catfish, its preparation method, and its application are disclosed, relating to the field of aquatic feed additives. The preparation method involves activating and expanding the culture of *Saccharomyces cerevisiae*, *Bacillus subtilis*, and *Lactobacillus plantarum*; pulverizing *Paeonia suffruticosa* leaves, *Smilax china*, *Scutellaria baicalensis*, *Rhus chinensis*, hawthorn, *Polygonum cuspidatum*, ginkgo, and forsythia suspensa* to obtain traditional Chinese medicine powders; preparing a solid fermentation medium using the traditional Chinese medicine powders, soybean meal powder, corn cob granules, and wheat bran; inoculating *Saccharomyces cerevisiae* seed culture and *Bacillus subtilis* seed culture for aerobic fermentation; and inoculating *Lactobacillus plantarum* seed culture for anaerobic fermentation to obtain the fermented traditional Chinese medicine feed additive. The resulting fermented traditional Chinese medicine feed additive promotes the absorption and metabolic elimination of enrofloxacin in catfish, shortens the withdrawal period, has preventive and adjunctive therapeutic effects on bacterial diseases in catfish, promotes growth, reduces feed conversion ratio, and improves survival rate.

The preparation method comprises the following steps: mixing a termite palatable cellulose material, wheat bran, gypsum, cane sugar and water to prepare a culture material, packaging and sterilizing the culture material, inoculating the Irpex lacteus, culturing until hyphae cover all the culture material, and carrying out freeze-drying to obtain the Irpex lacteus living fungus termite bait. The hypha living body state is kept for trapping odontotermes formosanus to eat. Experiments of three indoor devices show that the food calling effect of the Irpex lacteus bait block on odontotermes formosanus is obviously superior to that of a sterile culture material contrast bait block. Field tests show that the eating efficiency of the Irpex lacteus living fungus bait is obviously superior to that of natural plant bait circulating in the current market. Meanwhile, breathable tubular and bag-shaped packaging is convenient to store and carry, and hyphae can survive for a long time. The Irpex lacteus living fungus bait is good in termite trapping effect, high in eating speed, not prone to being polluted by infectious microbes and suitable for monitoring, trapping and killing odontotermes formosanus on dams and gardens.

The invention belongs to the technical field of traditional Chinese medicine, and particularly relates to a turbidity-dissolving and lipid-lowering composition and a preparation method thereof.The composition comprises 80-130 parts of polygonum cuspidatum, 50-90 parts of fried semen cassiae, 100-140 parts of hawthorn, 50-90 parts of rhizoma alismatis, 10-60 parts of rhizoma atractylodis macrocephalae fried with bran and 50-90 parts of rhizoma wenyujin concisum. The composition disclosed by the invention has the effects of eliminating phlegm, dissolving turbidity, promoting blood circulation to remove blood stasis, invigorating stomach and promoting diuresis, can be used for treating hyperlipidemia, hyperviscosity and arteriosclerotic cardia-cerebrovascular diseases, and has a very good application prospect.

This invention relates to the field of feed processing technology and discloses a compound nutritional feed premix and its preparation method. By total mass percentage, it comprises the following components: 52.60%–54.60% jujube powder, 17.50%–18.30% lard and tile powder, 23.20%–24.10% wheat bran, 0.25%–0.40% edible salt, 0.40%–0.60% compound vitamins, 1.10%–1.30% compound trace elements, 0.80%–1.00% lysine, 1.10%–1.30% montmorillonite, and 0.15%–0.20% compound enzyme preparation. By using pitted Xinjiang jujube powder and fresh lard and tile powder as core raw materials, combined with wheat bran, edible salt, compound vitamins, compound trace elements, lysine, and montmorillonite with a blue absorption capacity of 42, the premix achieves nutritional complementarity among various raw materials and improves the palatability and overall nutritional value of the feed.

The application discloses a non-water-returning fish bait and a preparation method thereof. The bait comprises the following components in percentage by weight: wheat germ powder 10-20%, snowflake powder 10-20%, shell powder 5-15%, wheat bran 10-25%, fermented rice husk powder 15-30%, and animal protein powder 8-20%. By adding various nutritional ingredients, the bait can maintain the state of entering water, and will not return water for a long time after being formed into a group. When used, the bait does not need to be kneaded and adjusted again, has good state maintaining property, and improves the fishing experience.

The invention belongs to the field of food processing and safety, and provides a preparation method of low-GI triticale whole grain noodles. The optimal formula of the prepared low-GI triticale whole grain noodles comprises 13.60% of triticale modified wheat bran, 12.87% of vital gluten, 13.00% of resistant starch, 4% of Chinese yam powder, 0.8% of Sanzan gum and the balance of triticale flour. The predicted sensory score of the whole-grain noodles is 82.72, the sensory score of the whole-grain noodles obtained through verification experiments is 83.55, the GI value of the whole-grain noodles is 54.93, and the whole-grain noodles are low-GI food; the invention further provides a matched intelligent temperature-control rolling device capable of controlling temperature and humidity and used for noodle production, multiple rolling and low-temperature fermentation functions are integrated, and through cold air diversion and water mist humidification, the temperature and humidity are controllable, and the problems of equipment land occupation and process gaps are reduced.

The invention discloses a filler for repairing chlorinated hydrocarbon pollution and a method for repairing chlorinated hydrocarbon polluted underground water by using the filler. The filler is prepared from the following components in percentage by mass: 65-85% of coarse sand, 1-10% of magnetite, 1-5% of groundwater polluted by chlorinated hydrocarbon, 1-5% of wheat bran, 1-5% of coarse gypsum, 1-5% of ferrous sulfate and 1-5% of limestone. The raw materials of the filler are industrial finished products, are low in price and are suitable for actual site repair. The method for repairing chlorohydrocarbon polluted underground water through biogeochemical conversion by using the filler does not need high temperature and high pressure, and the reaction condition is mild. The used filler and emulsified vegetable oil have the advantages of high safety and environmental friendliness, and do not cause secondary pollution to the underground environment. The generation and accumulation of incomplete dechlorination intermediate products can be obviously reduced, so that the chlorinated hydrocarbon can be completely dechlorinated.

The application provides a preparation of a fermentation bed and application of waste of the fermentation bed in preparation of special organic fertilizer for rice, belongs to the technical field of livestock breeding, and specifically relates to a fermentation bed for cattle breeding, which comprises raw materials: rice straw, rice husk, quicklime, corn flour, wheat bran, sawdust and mixed bacteria liquid A; the mixed bacteria liquid A comprises Bacillus subtilis, Clostridium butyricum, Rhodopseudomonas palustris, Saccharomyces cerevisiae and Lactobacillus acidophilus; and a special organic fertilizer for rice, which comprises components: the above-mentioned waste fermentation bed, rice straw, rice husk, wood ash, mixed bacteria liquid B and mixed enzyme preparation; the provided fermentation bed can effectively degrade cattle manure, solve the problem of dirty and smelly breeding environment, and effectively reduce the incidence of diseases such as cattle diarrhea; and the provided special organic fertilizer for rice meets the nutritional requirements of rice planting, improves the yield and stress resistance of rice, and prevents or reduces the occurrence of diseases.

The invention provides a heat-stress-resistant laying hen feed and a preparation method thereof. The heat-stress-resistant laying hen feed comprises the following raw materials in parts by weight: 50-60 parts of corn, 10-20 parts of soybean meal, 5-15 parts of wheat bran, 1-5 parts of vegetable oil, 5-12 parts of fish meal, 2-5 parts of beta-alanine, 2-5 parts of activated black bean powder, 2-5 parts of quercitrin, 0.2-0.5 part of multivitamins, 4-8 parts of an electrolyte poising agent and 2-3 parts of compound amino acids. The activated black bean powder is obtained by performing enzymolysis activation on black bean powder by using an aromatic amino acid decarboxylase preparation. The laying hen feed disclosed by the invention can be used for feeding laying hens in a high-temperature environment in summer, and through a unique heat stress resistant formula, the heat stress resistant capacity of the laying hens is remarkably improved, adverse effects caused by heat stress are reduced, meanwhile, the antioxidant capacity and the immune function of the laying hens are enhanced, and the growth performance and the egg laying performance of the laying hens are improved.

The invention provides an oyster mushroom culture medium which comprises the following raw materials in percentage by weight: 40-50% of cottonseed hull, 10-15% of corncob, 8-15% of sawdust, 6-10% of purple perilla composite powder, 5-8% of tea seed cake pretreatment powder, 3-5% of mint composite powder, 5-8% of wheat bran, 1-2% of gypsum and 0.5-1% of calcium superphosphate, the water content of the culture medium is 65-70%, and the pH value is 6.5-7.5. The invention also provides a preparation method of the oyster mushroom culture medium, which comprises the following steps: mixing the materials according to the formula proportion, and uniformly stirring; adding clear water to adjust the water content to 65-70%, stirring, and standing for 12 hours to enable the raw materials to fully absorb water; the filling amount of each bag is 1.2 kg, sterilizing for 2-3 hours by adopting 121 DEG C high-pressure steam, and cooling to 25 DEG C or below for later use. By adding the purple perilla, the sasangua cake and the mint, the insect prevention performance of the culture medium is remarkably improved, the infectious microbe contamination rate is controlled to be 3% or below, the pest invasion rate is remarkably reduced, and the biological conversion rate and the oyster mushroom quality are remarkably superior to those of a traditional culture medium.

The application relates to preparation of indoor potted solid water and belongs to the field of solid water preparation. A preparation method is as follows: nitrogen is introduced into a four-necked flask for 10 min to remove air, wheat bran and wheat B starch wastewater are added, heating and stirring are carried out, sodium alginate and gellan gum are added to prepare A liquid; acrylic acid is neutralized by adding 25% NaOH solution under the condition of an ice water bath, after the neutralized liquid is cooled to room temperature, 2-acrylamide-2-methylpropanesulfonic acid, bentonite, methylene bisacrylamide and potassium persulfate are added to prepare B liquid; B liquid is slowly added into A liquid, heating and stirring are carried out to perform polymerization reaction, after the reaction is completed, filtration is carried out, anhydrous ethanol and distilled water are used for washing, and indoor potted special solid water is obtained. The indoor potted solid water provided by the application can provide convenience for office workers to maintain potted plants, can improve soil permeability and water absorption and water retention capacity, has a long use period, and is prepared by using natural degradable materials and has low cost.

The application provides a kind of complex hydrolytic enzyme and its preparation method, it is related to enzyme engineering technical field.The preparation method includes: aspergillus niger is inoculated in culture medium to carry out fermentation, and the fermentation liquor containing beta-glucosidase is collected;The fermentation liquor is subjected to solid-liquid separation to obtain beta-glucosidase preparation;Add alpha-L-arabinofuranosidase and cellobiohydrolase to obtain the complex hydrolytic enzyme.This technology uses specific content of sodium carboxymethyl cellulose and wheat bran to synergistically ferment, the activity and specificity of the main enzyme beta-glucosidase are greatly improved by nutritional induction and conformation simulation;Subsequently, alpha-L-arabinofuranosidase and cellobiohydrolase are compounded, the single enzyme limitation is broken and the feedback inhibition is removed, and the overall catalytic efficiency and conversion rate are significantly improved.