470 results about "Corn flour" patented technology

According to the mullite castable preparation method based on comprehensive utilization of the secondary aluminum ash nonferrous smelting slag, components are regulated and controlled by controlling the molar ratio of Al2O3 to SiO2, so that porous light mullite stably falls into a mullite phase region, and generation of excessive corundum phases is avoided. PMMA microspheres, corn flour, carbonized rice husks and SiO2 coated calcium carbonate composite pore-forming agent systems are adopted, and a layered slurry formula, gradient slip casting and segmented sintering processes are combined, so that the porosity and strength distribution are accurately regulated and controlled, and low-temperature sintering and amorphous phase change control are realized. By optimizing the grading of the porous light mullite aggregate and adding the homologous fine powder, the bonding strength and compressive strength of the castable are improved. And finally, the surface of the castable is coated with a compact mullite coating, so that the porosity is reduced, and the erosion resistance, corrosion resistance and stripping resistance are remarkably improved. The obtained castable has the advantages of light weight, high temperature resistance, high strength, low cost and excellent thermal stability and erosion resistance.

The invention discloses a microbial compound feed additive, which is prepared from the following ingredients in parts by weight: 35 to 45 parts of traditional Chinese medicine residues, 25 to 35 parts of soybean meal, 15 to 25 parts of bran, 8 to 12 parts of corn flour, 0.3 to 0.7 part of selenium-enriched yeast, 8 to 12 parts of aspergillus niger spore powder, 10 to 15 parts of bacillus subtilis, 6 to 9 parts of lactobacillus plantarum and 5 to 8 parts of candida utilis. The invention relates to the technical field of feed additives, through the synergistic effect of the aspergillus niger, the bacillus subtilis, the lactobacillus plantarum and the candida utilis, the aspergillus niger can generate various enzymes, and decomposition of raw materials and release of nutritional ingredients are facilitated; the bacillus subtilis can enhance the immunity of livestock and poultry and inhibit the growth of harmful bacteria; lactobacillus plantarum can regulate intestinal microecological balance and promote digestion and absorption; candida utilis is rich in protein and vitamins and provides nutrition for livestock and poultry, the four components cooperate with each other, the function limitation of a single strain is broken through, and the health level and production performance of livestock and poultry are comprehensively improved.

The invention provides a greater wax moth feed and a preparation method thereof. The feed comprises 100 g of milk powder, 100 g of flour, 100 g of wheat bran, 100 g of yeast powder, 100 g of bean flour, 60 g of corn flour, 100 g of beeswax, 100 g of honey and 60 g of glycerin. The method comprises the following steps: weighing the components in proportion, and uniformly mixing. According to the method, the adaptability of greater wax moths to different foods can be evaluated by constructing a life table, and although the method is used for feeding the greater wax moths with honeycombs and artificial feed, although the method has different influences on the growth and development of the greater wax moths, the greater wax moths fed with the artificial feed show relatively good adaptability, and the method is suitable for constructing experimental stable populations of greater wax moths.

The invention discloses a group of amide hydrolase mutants capable of efficiently degrading ochratoxin A as well as a coding gene, a recombinant vector and application of the amide hydrolase mutants, and belongs to the technical field of enzyme engineering. The invention also provides application of the mutant of the group of recombinant amide hydrolase in detoxification of ochratoxin A in beer or corn flour polluted by ochratoxin A. The activity of the mutant on ochratoxin A is obviously improved compared with the activity of the existing recombinant amide hydrolase ADH3; beer or corn flour containing ochratoxin A is treated for 10-15 minutes, the degradation rate of ochratoxin A can reach 100%, and the degradation efficiency is high in the field.

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 relates to the field of biological agents, in particular to a compound probiotic preparation rich in organic selenium and a preparation method of the compound probiotic preparation, and efficient synergistic delivery is achieved through plant micromolecule organic selenium extraction and a multi-layer microemulsion embedding technology. The preparation consists of a core active component, a carrier system and a curcumin compound. The plant micromolecular organic selenium is extracted from cardamine hupingshanesis and high-selenium corn flour through an HLUP technology, and the bioavailability is remarkably improved. A corn protein modified W / O / W microemulsion is adopted as a carrier, an outer layer membrane is stable in an acid environment, and an inner layer accurately releases selenium to small intestines; a protective agent composed of trehalose and glucose inhibits ice crystal damage, and glutaraldehyde crosslinking enhances the mechanical strength of the membrane. Curcumin and selenium synergistically enhance antioxidant and immunomodulatory functions, and promote phagocytic activity of macrophages. The stability and bioavailability bottlenecks of a traditional preparation are broken through, and an innovative scheme is provided for functional food development.

The invention discloses a feed for improving earthworm breeding yield and a preparation method thereof, and belongs to the technical field of earthworm breeding, the feed comprises the following components: 30-50 parts of fermented livestock and poultry manure, 20-30 parts of crop straw, 10-20 parts of soybean curb residue, 10-15 parts of corn flour, 5-10 parts of wheat bran, 3-5 parts of bone meal, 2-4 parts of shell powder, 0.5-1 part of a microbial agent, 1-2 parts of brown sugar, and a proper amount of water. The fermented livestock and poultry manure is rich in various mineral elements and organic nutrients such as nitrogen, phosphorus and potassium, and is an important source of nutrients required by earthworm growth; the crop straws are rich in cellulose and can promote intestinal peristalsis of the earthworms and help digestion; the soybean curb residues, the corn flour and the wheat bran are rich in nutritional ingredients such as protein and carbohydrate, and sufficient energy is provided for the earthworms; the bone meal and the shell powder contain a large amount of mineral substances such as calcium and phosphorus, so that the development of bones and bodies of the earthworms is facilitated; the microbial agent can regulate microbial flora in the feed and promote the absorption and utilization of the earthworms to nutrient substances.

The invention relates to the technical field of agricultural waste recycling, and discloses a formula and a preparation method of an amaranthus hypochondriacus and moso bamboo powder microbial fermentation feed, and the materials comprise amaranthus hypochondriacus straw, moso bamboo powder, corn flour, a mineral premix, salt and a microbial fermentation agent. After fermentation, the content of crude fibers is obviously reduced, the content of crude proteins is increased, the effect is optimal according to the proportion of the amaranthus hypochondriacus straws to the moso bamboo powder (5: 5), lignin in the moso bamboo powder is partially degraded, polysaccharide substances are released, the palatability of the feed is improved, the pH value of the amaranthus hypochondriacus straws to the moso bamboo powder (5: 5) in the optimal fermentation group is reduced to 4.2, the content of lactic acid reaches 2.3 g / kg, the total amount of VFA is increased, and the reproduction of harmful bacteria is inhibited; the reasonable proportion of the amaranthus hypochondriacus and the moso bamboo powder can balance carbon and nitrogen sources and promote synergistic fermentation of microorganisms, degradation of crude fibers in the fermentation process is related to acid production of lactic acid bacteria and cellulase secretion of bacillus, and the fermented feed can be used as a coarse feed substitute for ruminants or used in pig feed to improve intestinal health.

The invention discloses a tricholoma matsutake culture medium using litchi branches as a matrix and a cultivation method thereof. The tricholoma matsutake culture medium is prepared from the following components in percentage by weight: 30-50% of litchi sawdust, 30-50% of cottonseed hulls, 3-8% of bran, 3-8% of corncobs, 3-8% of rice husks, 1-5% of corn flour and 1-5% of lime. The method is characterized in that the litchi branches are added into the stock liquid culture medium for making the branch seeds for the first time, on one hand, the tricholoma matsutake strains can be trained to generate extracellular enzymes capable of utilizing litchi wood chips, macromolecules of the litchi branches can be rapidly decomposed, and on the other hand, nutrient elements contained in the litchi branches can promote growth of tricholoma matsutake hyphae more rapidly, and the growth rate of the tricholoma matsutake hyphae is increased. The branch seeds are large in inoculation area and high in hybrid resistance, the growth time of mycelium of the cultivation material can be shortened, and the fruiting rate is increased. The invention not only provides a solution for innocent treatment of the litchi branches, but also finds a new culture medium for red tricholoma matsutake culture.

The invention relates to the technical field of household flour mills, in particular to an environment-friendly and dust-suppression flour milling device for corn flour processing, which comprises a motor shell and a crushing cup arranged on the motor shell, a square rotating shaft is arranged on the motor shell, a guide plate is arranged in the crushing cup, a flour milling assembly is movably arranged in the crushing cup, and the motor shell is provided with a motor. The corn grinding device has the function of grinding fed corn for multiple times, meanwhile, feeding can be adjusted to a certain degree in the whole grinding process, the corn can continuously enter a whole grinding area to be ground, and through cooperation between an arranged crushing arc plate and an annular grinding disc, when the whole corn is ground, the grinding efficiency of the corn is improved, and the corn grinding efficiency is improved. According to the intelligent corn machine disclosed by the invention, the corn kernels are subjected to primary crushing operation, and the treated corn kernels are put into the grinding area between the first grinding disc and the second grinding disc to be ground, so that the whole grinding speed can be increased, and meanwhile, the energy consumption of the whole intelligent corn machine during use can be reduced.

The invention belongs to the technical field of mushroom planting, and particularly relates to a pleurotus nebrodensis planting method which comprises the following steps: mixing raw materials of a pleurotus nebrodensis culture medium in parts by weight: 70-85 parts of cottonseed hulls, 5-15 parts of bran and 3-8 parts of corn flour, adding water to enable the water content of the culture medium to be 60%-65%, and uniformly stirring; filling the culture medium into a fungus bag to prepare a cultivation fungus stick; performing high-pressure sterilization on the cultivation mushroom sticks; inoculating the cultivation mushroom sticks in a sterile room; moving the cultivation mushroom sticks into a spawn running room to culture hyphae; after the bags are full of hyphae in the cultivation mushroom sticks, the cultivation mushroom sticks are moved into a growth chamber, buds are thinned after fruiting, and 1-2 mushroom bodies are reserved; after the mushroom bodies are mature, harvesting the mushroom bodies; according to the planting method, the quality and yield of pleurotus nebrodensis can be effectively improved, accumulation of toxins in the culture medium can be reduced, recycling of the culture medium is facilitated, and the production cost of farmer households is reduced.

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 provides a phellinus igniarius strain rich in polysaccharide and total flavone as well as a cultivation method and application thereof, relates to the technical field of biology, and aims to solve the problems that a phellinus igniarius variety with high yield and high polysaccharide and total flavone content is lacked in the prior art, and an existing cultivation method is difficult to meet the effects of high yield and income increase. The phellinus igniarius strain disclosed by the invention is phellinus igniarius, is named as Harmulberry No.1, and is preserved in China General Microbiological Culture Collection Center on October 31, 2024, the preservation address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.41588. In the cultivation process of the phellinus igniarius sporocarp, a cultivar culture medium is prepared from, by mass, 78% of oak sawdust, 15% of trametes robiniophila cultivation waste, 5% of corn flour, 1% of gypsum powder and 1% of cane sugar. The phellinus igniarius variety disclosed by the invention has potential development and application values and can be used for preparing health-care foods or medicines.

The invention belongs to the technical field of bioengineering, and particularly relates to a preparation process of nanoscale water-soluble squalene. Comprising the following steps: S1, treating corn flour, adding pure water, and performing enzymolysis by adopting compound enzyme to obtain corn saccharified liquid for later use; s2, inoculating saccharomyces cerevisiae GS-A3 into a culture medium containing the corn saccharification liquid, and fermenting; s3, centrifuging the fermentation liquor, and extracting by adopting supercritical CO2 to obtain a squalene crude product; and S4, carrying out nanocrystallization treatment after molecular distillation treatment. According to the method, corn is taken as a raw material, rich starch resources are utilized, the corn is converted into glucose through enzymolysis, squalene is generated in saccharomyces cerevisiae through an MVA way, high-yield and high-purity squalene is prepared, the stability of squalene is improved through a special nanocrystallization treatment mode, the storage life of squalene in the application process is prolonged, and the method is suitable for industrial production. And the bioavailability can be obviously improved. In addition, the technology used in the invention meets the requirements of green and environmental protection.

The invention discloses a preparation method of a low-protein biological fermentation feed for crayfish, and belongs to the technical field of aquaculture feeds, and the preparation method comprises the following steps: high-temperature fermentation: uniformly mixing soybean meal, rapeseed meal, cottonseed meal and a mixed bacteria solution containing bacillus subtilis, lactobacillus plantarum, saccharomycetes and EM bacteria, and performing high-temperature fermentation to obtain a fermentation product; and performing low-temperature fermentation: adding shrimp shell meal, corn flour, rice bran, cellulase and phytase into the fermentation product, performing uniform stirring to obtain a mixture, and performing low-temperature fermentation on the mixture to obtain the product. According to the low-protein biological fermentation feed disclosed by the invention, by-products such as shrimp shell meal, rice bran and rapeseed meal are used as raw materials of the biological fermentation feed, so that the cost of the feed can be reduced; and the aims of enhancing the nutritional quality, improving the immunity and oxidation resistance of the organism and improving the environment of a culture water body can be fulfilled for culturing the crayfish with the specification of about 12 grams per crayfish.

The invention belongs to the technical field of corn peptide production, and particularly relates to a corn peptide product with a flavoring function as well as a preparation method and application thereof. The content of peptides with the molecular weight of 189-10000 Da in the corn peptide product is 40-60%. The total nitrogen content of the corn peptide product is 8.0-14.0%, and / or the free amino acid content is 10-20%, and / or the free glutamic acid content is 2.0-7.0 wt%. The corn peptide product is prepared by the following preparation method: carrying out enzymolysis on a mixed solution containing crude corn protein powder and / or corn flour through amylase, phospholipase, lipase, cellulase and protease to obtain the corn peptide product with a flavoring function. The corn peptide product has the characteristics of low bitterness value, delicate flavor, good thick flavor and full taste, and can be widely applied to the field of condiments.

The invention belongs to the technical field of feed processing, and particularly relates to a wheat straw fermented feed and a preparation method thereof. In order to solve the problems that in the prior art, wheat straw is utilized for biological fermentation to prepare fermented feed, the process is complex, and the fermentation effect needs to be improved, the invention provides the preparation method of the wheat straw fermented feed, the method comprises the following steps: crushing wheat straw, mixing the crushed wheat straw with corn flour, adding a compound bacteria solution, and carrying out anaerobic fermentation in a fermentation container for 10-30 days to prepare the wheat straw fermented feed. According to the method disclosed by the invention, the palatability of the wheat straw is improved by adopting a mode of mixing the wheat straw and the corn flour and combining with the special fermentation compound bacteria liquid, the nutritional value is increased, the content of crude protein is increased by 40% or above compared with that of raw materials, the content of neutral detergent fibers and acid detergent fibers is reduced by 16-19% respectively, and the pH value is reduced by 30%. The raw materials are easy to obtain, the fermentation method is simple and convenient, the fermentation effect is good, and good practical value is achieved.

The invention relates to the technical field of flammulina velutipes planting, in particular to a flammulina velutipes culture method and compost, which comprises the following steps: S1, preparing purple sweet potato water; the preparation method comprises the following steps: washing fresh purple sweet potatoes, mixing with water in proportion, boiling, cooling, filtering, and taking filtrate as purple sweet potato water for later use; s2, preparing a culture material; the raw materials comprise corncobs, rice bran, bran, cottonseed hulls, sugar beet pulp, soybean hulls, corn flour, brewer's grains, calcium carbonate and shellfish fossils. The preparation method comprises the following steps: weighing solid raw materials in proportion, stirring the raw materials in a stirrer for 10 minutes to obtain a mixture, uniformly mixing the mixture, adding the purple sweet potato water prepared in the step S1, fully stirring the mixture until the mixture is uniformly mixed, and controlling the water content of a final culture material to be 62-68% to obtain the culture medium. The purple sweet potato water is used for completely replacing tap water to serve as a culture material component, the purple sweet potato water is not only a solvent, but also a natural nutrient solution rich in anthocyanin, polysaccharide, vitamins and mineral substances, flammulina velutipes hyphae can absorb and convert the substances, and the anthocyanin content in sporocarp is remarkably increased.

The invention relates to the technical field of biological fermentation, in particular to a biological treatment method for sorghum vinasse and application thereof.The biological treatment method comprises the steps that sorghum vinasse, corn flour, soybean meal, wheat bran, ammonium sulfate, monopotassium phosphate, calcium carbonate and sodium bicarbonate are evenly mixed according to the material-water ratio of 1: 1.2, autoclaved sterilization and cooling are conducted, 0.8% of an enzyme preparation is sequentially added, fermentation is conducted for one day at the temperature of 30 DEG C, and then fermentation is conducted for one day at the temperature of 30 DEG C; and adding 9.6% of a complex microbial inoculant again, fermenting at 30 DEG C for 4 days, finally adding 0.06% of lactic acid bacteria, fermenting for 1 day, drying at 45 DEG C, and crushing. The water content in the treated sorghum vinasse is reduced by 6%, the crude protein content is increased by 5%, the neutral detergent fiber content is reduced by 10%, and the acid detergent fiber content is reduced by 8%. The sorghum vinasse prepared by the method disclosed by the invention is used as a protein raw material of the meat duck compound feed, and is added into the meat duck compound feed according to the weight of 10-25%, so that an ideal weight increasing effect can be achieved, the breeding cost is remarkably reduced, and the method is simple to operate and obvious in effect.

The invention provides a complex microbial inoculant for fermenting modified corn flour, a method and application, and belongs to the technical field of fermented food. The complex microbial inoculant comprises a liquid state fermentation complex microbial inoculant (streptococcus thermophilus is greater than or equal to 1 * 10 < 9 > cfu / mL and bacillus subtilis is greater than or equal to 1 * 10 < 9 > cfu / mL) and a solid state fermentation complex microbial inoculant (monascus spore suspension is greater than or equal to 1 * 10 < 6 > spores / mL and lactobacillus plantarum is greater than or equal to 1 * 10 < 8 > cfu / mL), and the fermentation modification method comprises the following steps: performing microwave puffing treatment on corn flour, mixing the corn flour with oat bran, and sequentially performing liquid state fermentation and solid state fermentation, and spraying the liquid fermentation supernatant back to the solid substrate, and finally drying to obtain the modified corn flour. Through the synergistic effect of a two-stage fermentation system, the content of functional components such as soluble dietary fibers and Monacolin K in the corn flour is remarkably increased, and the obtained product has the characteristic of lowering cholesterol.

The invention provides a yeast culture for feeding ruminants as well as a preparation method and application of the yeast culture. The preparation method comprises the following steps: mixing a fermentation raw material, a yeast additive, a fermentation inoculant and a compound enzyme agent, and fermenting to obtain a yeast culture; the yeast additive comprises yeast hydrolysate, yeast metabolite or yeast cell wall; the fermentation inoculant comprises one or more of saccharomycetes, lactic acid bacteria or spore bacteria; the fermentation raw materials comprise a fermentation carbon source and a fermentation nitrogen source; the fermentation carbon source comprises corn flour and bran; the fermentation nitrogen source comprises soybean meal, miscellaneous meal and DDGS. The ruminant yeast culture can solve the problem that the ruminant yeast culture in the prior art cannot meet the nutritional requirements of animals and provide yeast functions at the same time, and is suitable for the field of ruminant feeding.

The invention discloses red imported fire ant bait and a preparation method thereof. The invention relates to a red imported fire ant bait, which is prepared from the following components in percentage by mass: 56.76 percent to 61.99 percent of corn flour, 16.57 percent to 18.85 percent of dried meat floss, 16.50 percent to 18.90 percent of peanut oil, 3.08 percent to 4.22 percent of milk powder, 0.01 percent to 0.10 percent of ethyl butyrate, 1.34 percent to 1.70 percent of potassium sorbate and 0.01 percent to 0.50 percent of insecticide. Compared with the prior art, the solenopsis invicta bait has the following advantages that on the basis of background baits (corn flour, dried meat floss, peanut oil and milk powder), potassium sorbate keeps the freshness of the baits, a trace amount of ethyl butyrate is added, the appetite of solenopsis invicta is further stimulated, the palatability of the baits to the solenopsis invicta is improved, and the service life of the solenopsis invicta bait is prolonged. Particles with the average particle size of 1.5 mm are prepared through a pelletizer and are suitable for carrying of the solenopsis invicta, so that the attraction of the bait to the solenopsis invicta is further enhanced.

The invention discloses a microbial fermentation feed capable of improving disease resistance of broiler chickens and a preparation method of the microbial fermentation feed, and belongs to the technical field of feed preparation. Comprising the following raw materials in parts by weight: 50-60 parts of corn flour, 20-25 parts of soybean meal, 5-8 parts of fish meal, 8-12 parts of tea seed cakes, 5-8 parts of mulberry leaves, 3-5 parts of dandelions, 0.1-0.3 part of zinc sulfate, 0.05-0.1 part of allicin and 0.5-1 part of a compound microbial agent. Wherein the compound microbial agent is prepared from lactobacillus plantarum, bacillus subtilis, candida utilis and bacillus licheniformis. The raw materials in parts by weight are mixed and fermented to obtain the microbial fermented feed capable of improving the disease resistance of the broiler chickens. According to the microbial fermentation feed disclosed by the invention, low-cost natural raw materials (such as tea seed cakes, mulberry leaves and dandelions) and the compound microbial agent are comprehensively utilized, so that the disease resistance of broilers can be comprehensively improved on the basis of reducing the cost; besides, the compound microbial agent can be fully fermented, the content of functional substances such as short-chain fatty acid (SCFAs) and antibacterial peptide is increased, the intestinal microecology can be effectively regulated and controlled, the immune function can be effectively enhanced, and the survival rate and disease resistance of the broiler chickens are improved.

The invention provides a feed for increasing dark red body color of goldfish and a preparation method of the feed, and relates to the field of fish feeds. The feed comprises the following raw materials in percentage by mass: 1-20% of fish meal, 5-20% of euphausia superba powder, 5-30% of corn flour, 2-20% of chrysanthemum powder, 10-30% of flour, 10-20% of vital gluten, 1-5% of bee pollen, 1-10% of carrot powder, 3-20% of chili meal, 0.1-3% of astaxanthin, 1-10% of spirulina, 1-10% of haematococcus pluvialis, 1-10% of phaffia rubra, 1-8% of fish oil and 0.1-3% of choline chloride. 0.01-3% of composite vitamins and 0.01-5% of composite minerals. After the feed is fed for a long time, the red brilliance and the brightness of the body color of the dark red goldfish can be improved, and the dark red goldfish can present a more beautiful swimming posture and a ruddy color.

The invention relates to the technical field of agricultural production, in particular to stable fertilizer for preventing and treating clubroot of rape and a preparation method. The stable fertilizer for preventing and treating clubroot of rape comprises the following components in parts by weight: 3-4 parts of a mixed microbial fermentation preparation, 2-4 parts of a biological enzyme condensate, 7-8 parts of borax, 110-180 parts of calcium phosphate, 500-550 parts of urea, 60-80 parts of corn flour, 1-3 parts of montmorillonite and 2-3 parts of polymaleic acid. According to the method, the mixed microbial fermentation preparation and the bio-enzyme solidified substance are combined, and the prevention and treatment effect on the clubroot of the rape is improved on the premise that the physicochemical properties of soil are not damaged.

The invention discloses a method for screening and cultivating a bolete mutant strain, which belongs to the field of microorganisms, and mainly comprises the following steps: obtaining the bolete mutant strain by using a carbon ion beam irradiation technology, naming the bolete mutant strain as ng2, and preserving the bolete mutant strain with the preservation number of CCTCC (China Center for Type Culture Collection) M 2025077; inoculating the ng2 strain into a hypha rapid germination and propagation solid culture medium PDA or PDA + peptone + beef extract + yeast extract powder, wherein hypha begins to germinate after 4 days; the method comprises the following steps: inoculating a solid strain into a hypha rapid propagation liquid culture medium including cane sugar, corn flour, soybean flour, wheat bran, monopotassium phosphate and yeast extract powder, and generating a large amount of fungus balls within 7 days; inoculating a liquid strain into a fruiting culture raw material self-made fermentation material, corn straw, turfy soil and rice, wherein hyphae overgrow in 30 days; the ng2 strain is high in activity, high in growth speed and suitable for being used as an excellent bolete strain in the Heilongjiang region; the screening and cultivating method of the bolete mutant strain is mainly used for solving the problems that the propagation efficiency of the bolete strain is low, germplasm resources in northern areas such as Heilongjiang are deficient and the like.

The invention relates to the technical field of oat composite extracts, and particularly discloses an oat composite extract as well as a preparation method and application thereof. The invention discloses a preparation method of an oat composite extract. The preparation method comprises the following specific steps: preparing materials and mixing pulp, performing enzymolysis, filtering and concentrating, performing spray drying, crushing and sieving, and storing and transporting. The preparation method comprises the following steps: crushing oat flour, malt flour and corn flour, adding water and a stabilizer, and uniformly stirring to obtain primary pulp; the enzymolysis step comprises the following steps: adding an enzymolysis agent A into the primary pulp for enzymolysis, and performing high-temperature enzyme inactivation; cooling to room temperature, adding an enzymolysis agent B for enzymolysis, and inactivating enzyme at high temperature; cooling to obtain oat zymolyte; the enzymolysis agent A is formed by mixing beta-amylase and flavourzyme; the enzymolysis agent B is formed by mixing high-temperature-resistant alpha-amylase and neutral protease. The obtained oat composite extract is appropriate in saccharification degree, and the oat composite extract has high oxidation resistance and stability, so that the application range of the oat composite extract is widened.

The invention belongs to the technical field of insect feeding, and particularly relates to artificial feed for spodoptera frugiperda. Comprising the following raw materials in parts by mass: 10 to 30 parts of soybean meal, 30 to 50 parts of wheat germ, 70 to 100 parts of wheat bran, 10 to 50 parts of corn flour, 20 to 50 parts of crushed corn leaves, 15 to 40 parts of beer yeast powder, 5 to 30 parts of five-vitamin glucose, 5 to 20 parts of casein, 5 to 15 parts of ascorbic acid, 25 to 35 parts of agar powder, 0.5 to 2.0 parts of choline, 1.0 to 3.0 parts of sorbic acid, 0.1 to 0.5 part of inositol, 0.05 to 0.20 part of streptomycin sulfate, 1.0 to 3.0 parts of methyl parahydroxybenzoate, 15 to 30 parts of konjaku flour, 15 to 35 parts of milk powder, 0.2 to 2.0 parts of vitamin B6 and 1.0 to 1.0 part of corn germ oil. 5.0 parts of water and 1000 to 1500 parts of water. The artificial feed can significantly shorten the developmental duration of spodoptera frugiperda and improve the pupation rate and eclosion rate.

The invention relates to the technical field of food processing, and particularly discloses whole-grain bread premixed flour and a preparation method thereof. The bread premixed flour is mainly prepared from the following raw materials in parts by weight: 59-71 parts of wheat flour, 5-15 parts of oat flour, 3-7 parts of rye flour, 3-7 parts of quinoa flour, 5-15 parts of corn flour, 3-7 parts of sorghum flour, 1-3 parts of table salt, 3-7 parts of egg white powder, 3-7 parts of pea fibers, 2-4 parts of ascorbic acid, 0.05-0.15 part of an edible emulsifier, 0.01-0.03 part of a natural preservative and 5-15 parts of water. According to the bread premixed flour, through mutual cooperation of the raw materials, the whole-grain bread is rich in nutrition, has the advantages of being high in specific volume and low in hardness, meanwhile, the texture is uniform, soft and fluffy, the taste is soft and delicious, the quality of the whole-grain bread is improved, and the market requirement is met.

A preparation method of a black corn anthocyanin-protein compound relates to the field of preparation of anthocyanin-protein composites.The method comprises the steps that black corn flour is degreased through petroleum ether, then an ethanol water solution is added into the degreased black corn flour, stirring and suction filtration are conducted, supernate is taken, a NaCl solution is added, centrifugation is conducted, and precipitates are dialyzed and freeze-dried to obtain the black corn anthocyanin-protein compound. And the black corn anthocyanin-protein compound is prepared. According to the preparation method disclosed by the invention, the anthocyanin-protein compound is directly obtained from a raw material (black corn), a green technology is combined with the use of a green solvent, a novel effective method is provided for preparing the anthocyanin-protein compound, and moreover, the anthocyanin-protein compound has a good application prospect. According to the method, anthocyanin decomposition caused when anthocyanin is independently extracted or anthocyanin and protein are compounded to prepare the anthocyanin-protein compound is avoided, the prepared anthocyanin-protein compound is stable, the conformation of protein can be influenced by the compound, and the quality and the nutritional value of the protein are further influenced.