62 results about "Corn meal" patented technology

The invention belongs to the technical field of enzyme engineering, and particularly relates to a codon optimized superoxide dismutase AfSOD gene and application thereof in degradation of aflatoxin B1 and zearalenone. Under the conditions that the pH is 7, the temperature is 40 DEG C and the enzyme addition amount is 10 micrograms, the degradation rate of the AFB1 reaches 99.08% within 24 hours, and the degradation rate is kept to be 80% or above within 40-80 DEG C; under the conditions that the pH is 8, the temperature is 60 DEG C and the enzyme addition amount is 20 micrograms, the degradation rate of ZEN reaches 85.1% in 24 hours, and the degradation rate is kept to be 80% or above within 50-80 DEG C; the result shows that AfSOD is a toxin degrading enzyme which can tolerate a certain degree of high temperature; the degradation rates of AFB1 and ZEN in polluted peanut powder or corn powder are 73.7% and 88.2% respectively; the invention provides a new candidate for detoxification of AFB1 and ZEN in food or feed, and has a good application prospect.

The invention provides a compound feed additive capable of improving the flavor of eggs, a preparation technology and a compound feed, and relates to the technical field of feed preparation.Main components in shaddock peel are analyzed, the main components influencing the flavor of the eggs are screened out, and chemical components and shaddock peel powder are adopted to prepare the compound feed additive. The grapefruit flavor extract (active ingredients such as limonene, polyphenols and the like) prepared on the basis of the grapefruit peel powder. The preparation method comprises the following steps: compounding the raw materials in parts by weight: 20-40 parts of linalool, 5-10 parts of linalyl acetate, 2-4 parts of limonene, 1-2 parts of vanillyl alcohol, 0.7-1.4 parts of geranyl acetate, 5-10 parts of myrcene, 80 parts of pomelo peel powder, 150 parts of a carrier and 70 parts of a pomelo flavor extract; the total addition amount of the shaddock peel powder in the basal feed is reduced from 2% to 0.1%, a good flavor improvement effect can be maintained, and dependence on shaddock peel raw materials is greatly reduced.

A processing aid for an extrudable food composition includes from about 60% to about 99% by weight of at least one edible emulsifier and from about 1% to about 40% by weight of a short chain carboxylic acid. The extrudable food composition may include from about 80% to about 90% by weight of a raw material; from about 1% to about 18% by weight added moisture; from about 0.1% to about 3% of a processing aid, wherein the processing aid includes at least one edible emulsifier and at least one short chain carboxylic acid. The raw material is selected from one or more of corn meal, whole grain corn meal, rice, whole grain flour, rice pea, brown rice, wheat flour, whole wheat flour, pea flour, black bean, pinto bean flour, potato flour, and mixtures thereof.

The invention discloses a biological fermentation feed for improving pork quality and a preparation method thereof, and belongs to the technical field of biological fermentation feeds. The biological fermentation feed comprises astragalus membranaceus powder, angelica sinensis powder, pericarpium citri reticulatae powder, codonopsis pilosula powder, liquorice powder, wild chrysanthemum flower powder, hawthorn fruit powder, rhizoma atractylodis powder, cinnamon powder, corn flour, soybean meal powder, bran powder, a bacterium enzyme complexing agent, compound enzyme liquid, compound chlorogenic acid liquid and drinking water. A preparation method of the compound enzyme liquid comprises the following steps: preparing a starch-tea polyphenol inclusion compound, and mixing; the biological fermentation feed prepared by the preparation method disclosed by the invention is not easy to decay when being placed in an open manner, is good in palatability, can greatly improve digestion and absorption of nutrient substances by pigs and improve the quality of pork, and does not need wall breaking treatment in the preparation process.

This invention discloses a pet food with coat-enhancing, shine-promoting, and coat-protecting effects, its preparation method, and applications. The food comprises the following components: chicken meal, fresh chicken meat, duck meal, sardine meal, chicken liver, sweet potato meal, corn meal, chicken heart, beef bone meal, duck meat pear, chicken oil, and egg yolk granules; coriander root powder, inulin, seaweed powder, beet pulp, flaxseed, fish oil, cranberry powder, carrot, krill, honeysuckle, turmeric, chrysanthemum, mannan oligosaccharide, lactulose, etc. The raw materials and auxiliary ingredients of this pet food are widely available, palatable, inexpensive, and readily available. The coriander root powder, other auxiliary ingredients, and nutritional supplements / additives work synergistically to improve the shine of the pet's coat, promote growth, and maintain coat health, while also improving the microstructure of the hair cuticle, fundamentally preventing pet coat health problems. The pet food preparation method disclosed in this invention is simple to operate, safe, and environmentally friendly, and is particularly suitable for feed products with high humidity and high heat sensitivity.

The invention discloses natural cereal and coarse cereal composite nutritional flour and a preparation method thereof, and relates to the technical field of flour preparation, the natural cereal and coarse cereal composite nutritional flour comprises the following raw materials: wheat flour, modified oat flour, modified corn flour, auxiliary coarse cereal flour and silicon dioxide; according to the invention, the modified oat flour is added, and through triple synergistic modification, the solubility and bioavailability of beta-glucan in oat are greatly improved, the water binding capacity and thermal stability of the composite flour are also enhanced, starch retrogradation is effectively inhibited, and the shelf life of a finished product is prolonged; pure physical modification does not have chemical residues, so that the composite flour is suitable for special crowds with diabetes, celiac disease and the like, and the defect that common coarse cereal composite flour is insufficient in functionality is overcome; the modified corn flour is added, the problems that common corn flour is low in dietary fiber solubility and poor in dough stability can be solved, a compact network is formed through synergy of natural polysaccharides, the water holding capacity and processing fluidity of the composite flour are improved, and water loss and caking in the cooking or baking process are reduced.

This invention provides a ready-to-eat convenience food made from whole colored potatoes and its preparation method. The raw materials of the ready-to-eat convenience food include the following components: colored potatoes, wheat flour, rice flour, corn flour, soybean flour, lotus root powder, wheat gluten, eggs, milk powder, modified vitamin C, citric acid solution, modified sucrose ester, granulated sugar, and baking soda. Compared with existing ready-to-eat grain foods, this invention uses fresh whole colored potatoes as the main ingredient, combined with various grain crops as raw materials, and incorporates wheat gluten, lotus root powder, eggs, and milk powder to construct a complete nutritional complex formula system in which carbohydrates, high-quality protein, and various micronutrients coexist synergistically, thus possessing the aroma and nutrition of various major grain crops such as potatoes, rice, wheat, beans, and corn. Simultaneously, this invention employs a non-frying processing method combining steaming and low-temperature drying, avoiding the destruction of nutrients caused by high-temperature frying, which helps retain natural anthocyanins and other antioxidant active substances, improving the overall antioxidant capacity of the product, and demonstrating good blood sugar control and anti-aging effects at the nutritional level.

This invention relates to the field of aquatic compound feed technology, specifically to a special feed for mullet, silver carp, and golden carp cultured in saline-alkali land in Northwest China. The feed is characterized by being composed of the following raw materials by weight percentage: 10%–14% alfalfa meal, 16%–22% soybean meal, 16%–22% corn meal, 5%–7% molasses, 1%–3% yeast powder, 2%–5% lactic acid bacteria preparation, 2%–5% premixed feed for aquatic life in saline-alkali land in Northwest China, 1%–4% fish oil, and 1%–5% vegetable oil. This invention solves the problems of low survival rate, high feed conversion ratio, easy antagonistic inactivation of probiotics, fish oil oxidation, poor water resistance of pellets, and insufficient regional adaptability of traditional feeds. Compared with commercially available ordinary marine fish feeds, the survival rate of juvenile fish is increased by 15% to 30%, the feed conversion ratio is reduced by 10% to 20%, the Vibrio inhibition rate is ≥80%, the power consumption per ton of feed is reduced by 25% to 35%, and the raw material cost is reduced by 30% to 45%. It is suitable for large-scale aquaculture in saline-alkali land in Northwest China and has important value for improving the quality and efficiency of fisheries, ecological restoration, and rural revitalization.

The invention discloses a laboratory mouse feed and a preparation method thereof. The feed consists of the following raw materials in percentage by weight: 32-38% of corn flour, 22-28% of fermented soybean meal, 8-12% of fish meal, 4-6% of silkworm chrysalis meal, 10-15% of low-gluten wheat flour, 2-3% of purple perilla seed oil, 1.5-2.5% of calcium carbonate, 0.8-1.2% of calcium hydrophosphate, 0.3-0.5% of table salt, 0.8-1.2% of microencapsulated compound vitamins, 0.2-0.4% of an enzyme preparation compound, 3-5% of dietary fibers and the balance of mineral premix. The preparation method has the beneficial effects that the vitamin retention rate of the technical scheme is increased by 30-40% compared with a contrast, and the problem of nutrient loss caused by a traditional high-temperature process is solved; the water uniformity is improved by 68% through gradient cooling, the quality guarantee period is prolonged from 50 days to 85-95 days in combination with a microencapsulation technology, and the storage loss is reduced.

The application provides a low-cost artificial feed for domestic silkworms and a preparation method thereof, and relates to the technical field of domestic silkworm breeding.The low-cost artificial feed for domestic silkworms is composed of mulberry leaf powder, corn powder, organic acid, sitosterol, microorganisms, enzyme preparation, vitamins, minerals and the like, and can effectively improve the stress resistance of the domestic silkworms, and improve the silk production rate of the silkworms and the quality of the silk.

The invention relates to the technical field of food-grade materials, in particular to a food-grade porous material and a preparation method thereof. The preparation method comprises the following steps: gradually carrying out enzymolysis on corn flour by alkaline protease and amylase under the conditions of proper temperature and pH, continuously stirring, adding food-grade vegetable gum, and forming porous glycoprotein under the assistance of ultrasonic waves; the porous glycoprotein is uniform in pore size and is 0.5-3 microns, and the surface of the porous glycoprotein is rich in functional groups, so that the porous glycoprotein has good adsorption performance and has very high adsorbability on hydrophobic compounds such as metal ions, pesticide residues, kitchen oil stains and the like. The preparation process is simple, chemical reagents do not need to be introduced, and safe and non-toxic substances are completely adopted as materials for preparing the porous material, so that the product is food-grade, small in damage to human bodies and the environment and wide in application in the food field.

The invention discloses a production process for preparing citric acid by taking degermed corn flour as a raw material, which comprises the following steps: after corn is subjected to degerming, germs, fibers and a mixture of starch and protein are separated, the mixture of starch and protein is crushed, metered and subjected to size mixing, then primary liquefaction and secondary liquefaction are sequentially performed, and alpha amylase is inoculated; one part of the secondary liquefied liquid serves as a fermentation substrate of a seed tank and enters a fermentation tank together with seed liquid of the seed tank, the other part of the secondary liquefied liquid enters a horizontal screw separation unit, syrup separated by a horizontal screw also enters the fermentation tank, citric acid discharged from the fermentation tank is subjected to primary filter pressing, and citric acid is discharged from the fermentation tank; performing ceramic membrane filtration, pre-ion exchange and flash deoxidation on the primary filter pressing liquid in sequence, then performing chromatographic separation, feeding a purified phase after chromatographic separation into a continuous ion exchange unit for impurity removal, and performing pre-concentration, evaporative crystallization and drying on a discharged material of the continuous ion exchange unit in sequence to obtain a citric acid finished product. The process can improve the added value of byproducts, improve the yield of citric acid and reduce the unit consumption of energy and materials.

The invention discloses a preparation method of a protein-based micro-capsule coated emulsified feed, and relates to the technical field of feeds. The method comprises the following steps: S1, adding a functional core material into a protein solution, emulsifying and cross-linking to obtain a protein-based microcapsule suspension; s2, performing low-temperature pre-drying on the protein-based microcapsule suspension to obtain a pre-dried material, and performing pulse vacuum drying to obtain protein-based microcapsule particles; s3, uniformly mixing the protein-based microcapsule particles with corn flour and bean foil powder to obtain the protein-based microcapsule coated emulsified feed. According to the method, an optimized drying process of low-temperature pre-drying and pulse vacuum drying is adopted, premature deformation of protein is avoided in the low-temperature pre-drying stage, and due to the alternating action of pulse vacuum, moisture in a material is periodically and rapidly volatilized, shrinkage and breakage of a micro-capsule structure are reduced, and the embedding rate is effectively increased. The method can shorten the feed preparation period and is suitable for large-scale production.

The invention discloses citrus reiculata Blanco fruit fiber probiotic feed as well as a preparation method and application thereof, and relates to the technical field of feed. The feed is mainly prepared from citrus reiculata blanco residues, hay, flaxseed meal, tea residues, corn flour and soybean meal through compound microorganism fermentation. The feed comprises the following fermentation raw materials in percentage by weight: 60-75% of citrus reiculata Blanco residues, 20-30% of hay, 5-15% of flaxseed meal, 8-10% of tea residues, 2-10% of corn flour and 5-12% of soybean meal. The compound microorganisms are aspergillus niger, saccharomyces cerevisiae, corynebacterium glutamicum and lactobacillus plantarum. By optimizing the fermentation raw materials, the fermentation inoculant and the fermentation method, not only are the contents of crude protein, crude fat and amino acid in the citrus reiculata blanco residues increased, but also the content of anti-inflammatory and antioxidant substances is increased, and when the citrus reiculata blanco residues are used for feeding dairy cows, sufficient nutrients easy to digest and absorb can be provided, the immunity of the dairy cows is improved, and the morbidity of mastitis is reduced; therefore, the milk yield of the dairy cow is improved.

The invention relates to the technical field of animal nutrition and feed processing, and discloses a feed capable of improving reproductive performance of reproductive cows and a preparation method thereof, the feed comprises the following raw materials: fermented wet base materials: 40.0-50.0 parts of foreign jujube powder, 10.0-15.0 parts of corn flour, and 0.5-1.0 part of composite micro-ecological inoculation liquid; the dry powder functional material is prepared from the following raw materials in parts by weight: 15.0 to 20.0 parts of bran, 10.0 to 15.0 parts of peeled soybean meal, 0.8 to 1.2 parts of special premix for breeding cows and 3.0 to 5.0 parts of mineral cross-linking triggering agent. The method comprises the following steps: firstly, carrying out aerobic-anaerobic fermentation on a wet base material, then mixing with a dry powder material to initiate a micro-neutralization reaction, and carrying out low-temperature granulation by utilizing reaction heat instead of steam. Macromolecules of the jujube powder are converted into micromolecules easy to absorb through fermentation, and digestion of cows is improved; high-activity probiotics are reserved through a low-temperature chemical curing process, the intestinal health is regulated, and the reproductive performance of the reproductive cows is remarkably improved.

The application discloses a method for undergrowth near-natural interplanting of black chicken nest fungus in a macadamia nut forest, which comprises the following steps: (1) fungus bed digging and sterilization treatment: removing undergrowth dry branches, fallen leaves and sundries on the surface of soil of the macadamia nut forest, then digging a fungus bed in the macadamia nut forest, and performing sterilization treatment on soil of the fungus bed; (2) fungus bag making: taking a macadamia nut shell, sundry wood chips, corn cobs, wheat bran, corn flour, soybean meal and lime as raw materials to make a cultivation substrate, sterilizing the cultivation substrate after bagging, then inoculating black chicken nest fungus spores into the cultivation substrate and sealing, so as to obtain the fungus bag. The method scientifically plans the distribution position of the fungus bed, utilizes the macadamia nut shell to make the cultivation substrate, realizes efficient utilization of resources, improves the yield of the macadamia nut, and can obtain the black chicken nest fungus with high yield, so that the win-win of ecology and economic benefits is promoted.

The application provides a kind of Huayu Xiaoshi medicinal composition and its preparation method and application, the composition is made of Huangqi 8-12 parts, Danggui 1-3 parts, Juhong 18-22 parts, Doukou 10-20 parts, Gancao 8-12 parts, lemon 8-12 parts, Shanzha 1-3 parts, fine corn powder 46-50 parts, gradient drying, grading ultrafine grinding, constant temperature and humidity mixing process is used to prepare.The application constructs the collaborative system of tonifying qi-blood-activating blood and food digestion, promotes the small intestine propulsion rate of food accumulation and blood stasis model rats, is safe and non-toxic, can be made into various oral preparations, adopts gradient drying, grading ultrafine grinding, constant temperature and humidity three-dimensional mixing process, maximally retains Doukou volatile oil, lemon vitamin C and other heat-sensitive effective components, and is used for the treatment of food accumulation and blood stasis.

The invention belongs to the technical field of pomfret breeding, and particularly relates to wet compound feed for breeding juvenile pomfret and a preparation method, a feeding method and a device of the wet compound feed. The wet compound feed for breeding the juvenile pomfret is obtained by mixing powdery feed for the juvenile pomfret and water according to the mass ratio of 1: (1.2-1.5). The powdery feed for the juvenile pomfret is prepared from the following raw materials in parts by weight: 40-50 parts of white fish meal, 8-11 parts of mussel meat powder, 3-6 parts of enzymolysis squid paste, 6-9 parts of yolk powder, 4-8 parts of wheat protein powder, 10-17 parts of puffed corn flour, 4-7 parts of anchovy oil, 2-5 parts of schizochytrium limacinum powder, 0.4-1.0 part of a compound adhesive, 0.2-0.5 part of a compound enzyme preparation and 0.2-0.5 part of a compound microecological preparation. The feed is prepared from the following raw materials in parts by weight: 1.0-2.5 parts of a macroelement premix, 0.8-1.5 parts of a microelement premix and 0.4-1.0 part of a vitamin premix. The feed provided by the invention can solve the problems of low feeding rate, low survival rate and slow growth speed of the existing feed for feeding the pomfret in the prior art.

The invention relates to the technical field of feeds, and discloses a mystus guttatus feed and a preparation method thereof, the mystus guttatus feed comprises the following raw materials by mass: 25-32 parts of fish meal, 20-25 parts of soybean meal, 30-35 parts of corn flour, 5-8 parts of fish oil, 1-2 parts of spirulina powder, 0.5-1.5 parts of a vitamin additive, 1-3 parts of a mineral additive, and 0.3-2 parts of a Chinese herbal medicine additive; the Chinese herbal medicine additive comprises the following components in parts by mass: 10-20 parts of boxthorn leaves, 5-10 parts of astragalus stems and leaves, 9-11 parts of pericarpium citri reticulatae, 8-15 parts of angelica sinensis, 3-5 parts of longan aril and 1-2 parts of fructus aurantii. According to the scheme, Chinese herbal medicine components such as boxthorn leaves, astragalus membranaceus, pericarpium citri reticulatae, angelica sinensis, fructus aurantii and longan aril are added into the feed, so that the immunity of mystus guttatus can be remarkably improved, diseases are reduced, meanwhile, the physiological function of mystus guttatus can be adjusted, healthy development of ovaries is supported, and the feed has a wider practical application value; meanwhile, the vitamin additive and the mineral additive can provide necessary trace elements and vitamins, and support normal metabolism, skeletal development, immune function and healthy development of ovaries of fishes.

The present application belongs to the technical field of aquatic feed, and discloses a special feed for Eriocheir sinensis breeding and a preparation method thereof. The raw materials of the feed include fish meal, soybean meal, corn meal, wheat meal, shrimp meal, spirulina powder, black soldier fly larvae powder, yeast powder, bile acid, chitosan, calcium dihydrogen phosphate, choline chloride, vitamin C ester, ferrous sulfate and zinc sulfate. The preparation method includes key steps such as raw material ultrafine grinding, grading mixing, liquid conditioning, ring die granulation, post-curing drying and surface spraying of flavor attractant. The present application realizes the synergistic effect among components through the precise compounding of various conventional and functional raw materials and the targeted processing technology. When the feed is applied to the breeding of Eriocheir sinensis, the growth rate, feed conversion rate, immunity and food quality of the finished crab can be significantly improved, and the water pollution in the breeding process can be effectively reduced, so that the breeding goal of health, high efficiency and ecology is achieved.

The application discloses a high-fiber silkworm larva feed containing protease and a preparation method thereof, and belongs to the technical field of enzyme engineering and feed for animal feeding in biological agriculture and related industries, and comprises a protease preparation-mulberry branch powder compound powder, mulberry branch powder, corn powder, soybean meal powder, citric acid, inorganic salt and guar gum. The application utilizes the easy-pulverization characteristics of fresh mulberry branches, adopts a pulverization and drying mode, shortens the drying time of the mulberry branches, and the artificial feed containing sufficient cellulose is beneficial to the feeding of silkworm larvae, promotes the peristalsis of the feed in the silkworm body, and is beneficial to meeting the feeding habits, main nutrition and physiological growth requirements of the silkworm; the proportion of the corn powder is increased to provide the silkworm with the required sugars and sugar compounds; the guar gum has good water retention performance, the silkworm larva feed after cooking is not prone to drying and hardening, and the use of the protease preparation effectively supplements the protease in the silkworm larvae, and promotes the growth and development of the silkworm larvae.

The invention discloses a single-bacterium fermentation compounding method of cattle feed, and relates to the technical field of feed fermentation. Comprising the following steps: preparing a single-bacterium fermentation bacterial material, the single-bacterium fermentation bacterial material comprises 42.25-47.25 parts of wheat bran, 19-21 parts of soybean meal, 14.25-15.75 parts of corn flour, 19-21 parts of rice hull powder and 0.003-0.005 part of a bacterial liquid, and strains used by the bacterial liquid comprise six probiotics including saccharomyces cerevisiae, bacillus subtilis, bacillus licheniformis, lactobacillus plantarum, enterococcus faecalis and lactobacillus acidophilus; the six probiotics are subjected to independent solid fermentation, the prepared fermentation fungus materials are compounded in proportion to obtain a compound fermentation fungus material, and the compound fermentation fungus material is fed according to cows with different weights. Through the technical route of single-bacterium independent fermentation, the problem of mutual inhibition generated during compound fermentation of various strains is avoided, high-density propagation of the strains in the fermentation process is guaranteed, the compounded feed can meet the nutritional requirements of cattle in different stages, and the yield of the cattle is improved. The feed digestion and absorption rate is effectively improved, the cattle immunity is enhanced, and the growth performance is promoted.

The invention discloses corn meal replacement powder capable of promoting growth of intestinal probiotics and a preparation method of the corn meal replacement powder. The corn meal replacement powder is prepared from the following components in percentage by weight: 76.9%-88.5% of enzyme unfrozen dry corn flour, 10%-20% of Chinese yam powder, 0.3%-0.7% of stevioside, 0.4%-0.8% of propylene glycol alginate, 0.4%-0.8% of xanthan gum and 0.4%-0.8% of sodium carboxymethyl cellulose. The preparation method comprises the following steps: mixing the corn flour and water, pulping, and adding anhydrous calcium chloride and alpha-amylase for enzymolysis; carrying out suction filtration on the enzymatic hydrolysate, adding water to wash the precipitate, freeze-drying the obtained precipitate, and crushing to obtain enzyme-unfrozen dry corn flour; all the components are uniformly stirred and mixed according to the proportion. According to the meal replacement powder disclosed by the invention, the corn is used as a main material, starch in the corn flour is enzymatically hydrolyzed by using amylase, energy provided by the meal replacement powder is reduced to the greatest extent, the content of lysine in the added Chinese yam is rich, the nutritional structure of the meal replacement powder is improved, the readjusted taste and mouth feel are given to the meal replacement powder, and the utilization space of the corn is expanded.

The invention belongs to the technical field of aquaculture, and particularly relates to a black carp low-fat feed taking hermetia illucens as a main protein raw material and a preparation method. The feed comprises the following raw materials: protein raw materials, energy substances and additives. Wherein the protein raw materials comprise fish meal, dried hermetia illucens and soybean meal; the energy substance comprises wheat flour or corn flour and rice bran; the additive comprises monocalcium phosphate, a vitamin premix and a mineral premix. The preparation method comprises the following steps: mixing the dried hermetia illucens with the fish meal, the soybean meal, the wheat flour and the rice bran, and adding the monocalcium phosphate, the vitamins and the mineral premix; and uniformly mixing to obtain the target feed. The dried hermetia illucens is used for replacing part of fish meal, the cost is reduced, and the growth performance and the fish meat quality of the black carps are improved.

The application discloses a corn flour grinding device capable of reducing the damage degree of corn flour, which comprises an equipment box, a feeding inlet is formed in the top of the equipment box, a second hollow shaft is arranged through the equipment box and rotationally connected with the equipment box, a driving grinding roller is fixedly installed on the outer wall of the second hollow shaft and located in the equipment box, a mounting frame is arranged on one side of the driving grinding roller and located in the equipment box, and a third hollow shaft is arranged through the mounting frame and rotationally connected with the mounting frame. The distance between the passive grinding roller and the driving grinding roller is switched by the flow of the incompressible liquid in the cam inner cavity and the distance adjusting box, coarse grinding and fine grinding are completed, and the powder is prevented from being excessively damaged. In the coarse grinding and fine grinding process, the cooling water is drawn by the water pumping piston and sent into the second hollow shaft and the third hollow shaft, the passive grinding roller and the driving grinding roller are cooled in real time, the corn flour is prevented from being damaged and adhered due to high temperature, and the product qualified rate is effectively improved.

The application discloses a fermentation culture method of Bacillus thuringiensis Bt64 strain and belongs to the technical field of microbial culture. The orthogonal test is adopted to optimize the culture medium components of the Bacillus thuringiensis Bt64 strain, high-quality and low-cost culture medium with corn powder, corn starch and potato starch as carbon sources and soybean powder and fish meal as nitrogen sources is determined, and the optimal component ratio is determined. Compared with the LB culture medium, the Bt64 strain cultured by using the culture medium is amplified fast and declines slowly. Based on the culture medium, the temperature, inoculation ratio, time, ventilation amount and rotating speed of the fermentation culture of the Bt64 strain are further optimized, and the optimal culture conditions suitable for the rapid and large-scale proliferation of the Bt64 strain are determined. The application provides a reference basis and technical support for the fermentation tank culture, industrial development and large-scale production of the Bacillus thuringiensis Bt64 strain.

The invention relates to a zero-additive pure corn-based beverage and a preparation method thereof, and belongs to the technical field of food processing. The preparation method comprises the following steps: performing microwave treatment and superfine grinding treatment on waxy corn kernels to obtain waxy corn flour; meanwhile, unfreezing the frozen sweet corn kernels by adopting microwaves to obtain unfrozen sweet corn kernels; uniformly mixing the unfrozen sweet corn kernels, the unfrozen waxy corn flour and water, and grinding into thick liquid to obtain mixed corn juice material liquid; amylase is added into the mixed corn juice material liquid for liquefaction reaction, saccharifying enzyme and cellulase are added for synergistic saccharification reaction after cooling, and corn enzymatic hydrolysate is obtained; performing mixed fermentation on the corn enzymatic hydrolysate, saccharomyces cerevisiae and lactobacillus plantarum to obtain corn fermentation liquor; and sequentially carrying out ultrahigh-pressure homogenization, ultrahigh-pressure sterilization and ultrahigh-temperature instantaneous sterilization on the corn fermentation liquor to obtain the zero-additive pure corn-based beverage. Under the condition that no exogenous stabilizer is introduced, the stability of the product is effectively improved, and natural nutritional ingredients and inherent flavor substances of the corn are fully reserved.

The invention discloses a microbial fermentation solid biological feed and a processing technology thereof, and belongs to the technical field of feeds, the microbial fermentation solid biological feed is obtained by uniformly mixing corn flour, bean flour, a compound bacterium enzyme preparation, table salt, honeysuckle, hawthorn, fishbone dust and deionized water and then granulating; according to the compound bacterium enzyme preparation, sodium lignin sulfonate composite biomass porous carbon serves as a carrier, sodium alginate and calcium ions are subjected to an ionic cross-linking reaction to form gel microspheres, bacillus subtilis powder is wrapped and loaded, and the sodium lignin sulfonate structurally contains reversible quinone and semi-quinone groups and can also be coordinated with sodium alginate; according to the present invention, the composite bacterial enzyme preparation is endowed with certain pH responsiveness, the microcapsule structure is fixed on the sodium lignin sulfonate composite biomass porous carbon, and when the feed enters the intestines and the stomach of the animal, the pH change causes the coordination structure change, such that the microcapsule structure is changed so as to release the microcapsule, such that the slow release effect on the microorganism is achieved, and the precise release is achieved.

The invention discloses an improved fermentation liquid culture medium for increasing the content of ganoderma applanatum triterpenoids, and relates to the field of microbial fermentation. According to the culture medium, a carbon source in a basic culture medium is improved into a corn flour extracting solution, a nitrogen source is improved into ammonium chloride, and when the fermentation culture medium is prepared by taking the corn flour extracting solution as the carbon source and the ammonium chloride as the nitrogen source and is used for fermenting ganoderma lucidum, the effect of increasing the content of ganoderma applanatum triterpenoid is remarkable.