1003 results about "Corn starch" patented technology

Provided are an environmentally-friendly biological liquid fertilizer and a preparation method therefor. The environmentally-friendly biological liquid fertilizer comprises the following components in parts by weight: 95-105 parts of a microcapsule microbial inoculant liquid fertilizer, 10-15 parts of an amino acid fertilizer, 8-12 parts of glucose, 7-10 parts of potassium humate, and 400-500 parts of water, wherein the microcapsule microbial inoculant liquid fertilizer is a suspension formed by a microbial inoculant microcapsule in an inorganic fertilizer solution, and the microbial inoculant microcapsule is a hydrophobic microcapsule prepared by coating a microbial inoculant with sodium lignin sulfonate-corn starch. By means of preparing the hydrophobic microcapsule, the technical effect of coating a microbial inoculant to avoid an environmental impact is achieved, a variety of microbial inoculants are separately encapsulated and are dispersed in the inorganic fertilizer solution, and an organic fertilizer and a carbon source are supplemented to prepare the composite biological liquid fertilizer, thereby achieving the technical effects of easy absorption of the fertilizer, prevention against microbial antagonism, an increased survival rate and water-fertilizer integration.

The invention provides a personalized functional nutritional tea point rich in tea polyphenol and resveratrol and a 3D printing manufacturing method. The personalized functional nutritional tea point comprises a shell and an inner core, wherein the shell and the inner core are respectively a shell gel material and an inner core gel material; the inner core gel material comprises a water-oil double-gel material rich in tea polyphenol and resveratrol; wherein the water-oil double-gel material is prepared by the following steps: adding chitosan, betaine and vanillin into a mixed solution of corn starch, chickpea protein and water, heating and incubating to obtain hydrogel; and dissolving the tea polyphenol in the hydrogel to obtain the tea polyphenol hydrogel. The oleogel is obtained by melting and mixing beeswax and linseed oil, and then dissolving resveratrol in the oleogel; the personalized functional nutritional tea point is high in content of active ingredients of tea polyphenol and resveratrol and has heat stability, illumination stability and storage stability; the 3D coaxial printing technology is utilized, the functional components are further stabilized, tea points of various patterns and shapes can be obtained, and the method has personalized food preparation and application value.

The invention discloses a bamboo powder-containing biodegradable plastic for food contact and a preparation method thereof, and relates to the technical field of bio-based materials. The bamboo powder-containing biodegradable plastic for food contact comprises chitosan starch and modified bamboo powder, the chitosan starch is prepared by adding composite chitosan and amino-terminated polyethylene glycol into oxidized corn starch, and the composite chitosan is prepared by grafting chlorogenic acid on the surface of chitosan and then coating succinic anhydride derivatives. The succinic anhydride derivative is prepared from dodecenyl succinic anhydride and 1, 4-butanediamine through a reaction, so that the plastic has the antibacterial property, and meanwhile, the mechanical property is enhanced; the modified bamboo powder is prepared by reacting bamboo powder with a carboxyl-terminated composition, and the carboxyl-terminated composition comprises carboxyl-terminated polylactic acid and carboxyl-terminated polyamide. The toughness of the plastic is enhanced, and the mechanical property of the plastic is further enhanced.

The invention relates to the technical field of film material preparation, and discloses a polylactic acid antibacterial packaging film and a preparation method thereof, the polylactic acid antibacterial packaging film comprises the following raw material components by weight: 60-80 parts of polylactic acid, 10-20 parts of polyvinyl alcohol, 10-20 parts of nano zinc oxide, 0.5-1.5 parts of nano cellulose, 1-3 parts of an antibacterial agent, and 10-15 parts of corn starch; the antibacterial agent is prepared from the following components in parts by weight: 5-10 parts of carboxymethylated chitosan and 0.5-2 parts of a dynamic disulfide bond cross-linking agent, the substitution degree of the carboxymethylated chitosan is greater than or equal to 80%, the antibacterial agent is prepared from tea tree essential oil and eugenol, and the dynamic disulfide bond cross-linking agent is bis (3-aminopropyl) disulfide. By adopting a composite system of carboxymethylated chitosan and a dynamic disulfide bond cross-linking agent, the technical effects of humidity-triggered self-repairing and mechanical property synergistic improvement are achieved, and compared with a packaging film with a single polymer base material in the prior art, the problem of antibacterial failure caused by mechanical damage is solved.

The application relates to the technical field of thermal insulation materials, and discloses an aerogel thermal insulation material and a preparation method thereof. A polysiloxane derivative containing nitrogen and phosphorus flame-retardant elements in a structure is prepared as a polymer crosslinking monomer, chemical crosslinking is carried out with corn starch, a crosslinked gel liquid is formed, and the corn starch-based aerogel thermal insulation material can be prepared through a freezing and drying process. The corn starch-based aerogel thermal insulation material prepared through the chemical crosslinking method has a uniform pore structure, has the characteristics of aerogel, and has the characteristics of good thermal insulation effect, high mechanical strength, strong hydrophobicity, excellent flame-retardant performance and the like by introducing the flame-retardant elements such as nitrogen, phosphorus and silicon and the hydrophobic Si-O bond into the aerogel structure, so that the further application of the aerogel thermal insulation material in building thermal insulation materials is facilitated.

The invention discloses a preparation method of a starch-polyvinyl alcohol-based room temperature curing wood adhesive for plywood, and belongs to the technical field of wood adhesives. At present, wood adhesives mainly come from petrochemical resources and mostly need hot-pressing curing, the invention provides the preparation method of the wood adhesive with starch and polyvinyl alcohol as main materials, and heat-free bonding can be achieved. The preparation method comprises the following steps: firstly, reacting corn starch with isocyanate to obtain carbamic acid esterified starch, then adding a polyvinyl alcohol aqueous solution, uniformly stirring to obtain a starch-polyvinyl alcohol-based room-temperature curing wood adhesive, uniformly coating a wood veneer with the starch-polyvinyl alcohol-based room-temperature curing wood adhesive, forming an odd-layer plate blank according to the principle that the fiber directions of adjacent layers are vertical, and then carrying out cold press molding to obtain the wood veneer. The starch-polyvinyl alcohol-based room temperature curing plywood can be obtained. The prepared starch-polyvinyl alcohol-based room temperature curing plywood has the advantages of being easy to prepare, high in bonding strength, good in water resistance, free of formaldehyde, free of hot pressing and the like, and has a good market popularization prospect.

The invention provides a preparation method of composite modified hydroxypropyl starch ether, and relates to the technical field of starch ether preparation. Corn starch and cassava starch are used as raw materials, the modified hydroxypropyl starch ether is prepared through premixing, alkalization and high-low temperature layering etherification, sodium citrate is added in the etherification process to serve as a stabilizer, the produced product has the advantages of being high in hydroxypropyl content, viscosity, solution transparency and whiteness, low in ash content and the like, the production cost is reduced, and the product is suitable for industrial production. The requirements of the market on high-quality, high-stability and low-cost starch ether are met.

The invention relates to the field of new materials, and discloses a red mud-based ceramic flat sheet membrane and a preparation method thereof. The red mud-based ceramic flat sheet membrane comprises a substrate and a separation layer integrally attached to the surface of the substrate, the matrix is prepared from the following raw materials in parts by weight: 2000 to 4000 parts of Al2O3 powder with the average particle size of 5000nm, 200 to 350 parts of corn starch, 300 to 500 parts of red mud, 400 to 600 parts of kaolin and 2 to 8 parts of polyvinyl alcohol; the separation layer is prepared from the following raw materials in parts by weight: 4-10 parts of Al2O3 powder with the average particle size of 5000nm, 1-3 parts of a dispersing agent, 0.1-0.3 part of a defoaming agent and 1-3 parts of polyvinyl alcohol. The red-mud-based ceramic flat sheet membrane has good physical properties, the preparation method is scientific and reasonable, and the red-mud-based ceramic flat sheet membrane has the characteristics of short production period, low raw material and sintering cost and the like.

The invention provides a culture medium formula capable of effectively improving vibrio inhibition capability of bacillus. The culture medium formula comprises 10-20 g of corn starch, 2-10 g of yeast powder, 2-10 g of malt extract, 5-20 g of glycerin, 0.5-1 g of L-aspartic acid, 1 g of dipotassium phosphate, 0.3 g of monopotassium phosphate, 0.5 g of magnesium sulfate, 1 g of calcium carbonate and 1000 mL of distilled water. When the culture medium is used for culturing bacillus capable of naturally inhibiting vibrio, the obtained culture has a better vibrio inhibiting effect.

The invention discloses a low-oil-absorption fried food hanging paste and a preparation method thereof, and belongs to the technical field of food processing and making. The hanging paste comprises the following components in parts by weight: 10-20 parts of corn starch, 15-20 parts of highland barley flour, 10-15 parts of rice flour, 1-2 parts of edible salt, 0.5-1 part of baking powder and 50-60 parts of drinking water. The highland barley flour and the rice flour are compounded to replace wheat flour used in a traditional pasting formula, compact gel formed after high amylose in the rice flour is gelatinized can seal pores after being cooled, beta-glucan in the highland barley flour absorbs water to increase the viscosity, the pores of the rice starch gel are filled, a continuous oil-resistant layer is formed, and the pasty effect is improved. In the frying process, a denser and smoother surface can be formed, grease permeation is hindered, the water binding capacity and stability of hanging paste are improved, the hanging paste rate is increased, a starch-beta-glucan colloid barrier is formed on the surface of food, the content of permeated grease and the total oil content in the hanging paste after frying are reduced, grease intake is reduced, and the food quality is improved. The requirements of consumers on low-oil healthy foods are met.

The invention provides a coated paper for packaging and a preparation method thereof. The coated paper comprises the following raw material components: 20-25 parts of modified corn starch citrate, 75-80 parts of alginic acid, 20-25 parts of polypropylene carbonate, 20-25 parts of polylactic acid, 1-3 parts of glycerol, 1-3 parts of polyhydroxystearic acid and 2-2.5 parts of carboxymethyl cellulose. The preparation method of the modified corn starch citrate comprises the following steps: in a reaction kettle, preparing a citric acid solution with a mass percentage of 0.8-1.2% by using distilled water, and heating the solution to 35-38 DEG C; starting stirring; adding corn starch to the citric acid solution while stirring, and reacting for 2.5-3 hours; then, adjusting the pH value of the solution in the reaction kettle to be alkaline with sodium hydroxide, cooling the solution to 26-28 DEG C, adding octenyl succinic anhydride and sodium alginate, and continuing stirring and reacting for 30-50 minutes; after the reaction, standing and filtering; drying and grinding the filtered solid to 80-100 meshes. The coated paper prepared by the invention is environmentally friendly, safe and easily degradable.

The invention relates to the technical field of fertilizers, in particular to a carbon-water biomass fertilizer and a preparation method thereof. The organic fertilizer is prepared from the following raw materials in parts by weight: 4000 to 5000 parts of solid wood sawdust, 80 to 120 parts of vegetable bran, 80 to 120 parts of wheat bran, 200 to 300 parts of cow dung, 200 to 300 parts of sheep manure, 20 to 40 parts of brown sugar, 30 to 50 parts of corn starch and 80 to 120 parts of microbial compound strains. The solid wood sawdust, vegetable bran, wheat bran, cattle and sheep manure and other agricultural byproducts are used as raw materials, decomposition of organic matters is accelerated under the action of fermentation and microbial composite strains, and the content of extractable organic carbon in soil is increased. According to the present invention, the soil structure and the soil fertility can be easily improved, the plant growth can be promoted, the resource utilization of the agricultural waste can be achieved, and the characteristics of environmental protection and sustainability are provided.

The invention belongs to the field of conductive aluminum oxide ceramic preparation, and particularly relates to a treatment method for performing carbon deposition infiltration on the surface of aluminum oxide ceramic to enable the aluminum oxide ceramic to have certain conductivity. According to the invention, wheat starch and corn starch are used as main raw materials and are converted into a volatile carbon source through a high-temperature carbonization process under the protection of inert gas; and placing the carbon source and aluminum oxide ceramic pre-subjected to conductive treatment in a high-temperature furnace protected by inert gas, and performing deposition carburizing treatment on the surface of the aluminum oxide ceramic at 800-900 DEG C to obtain the aluminum oxide conductive ceramic with certain conductivity. The method is low in raw material cost, low in sintering temperature of the related process, low in equipment investment, good in surface carburization uniformity of the aluminum oxide ceramic and stable in property.

The invention relates to the technical field of fertilizer slow release, and discloses a temperature-responsive starch-based gel coated slow-release fertilizer, which comprises the following raw materials: amorphous starch: a starting material is common corn starch; the cross-linking agent is N, N '-methylene bisacrylamide (MBA); n-isopropylacrylamide (NIPAM) is used for endowing the gel with temperature responsiveness; acrylamide (AM): as a comonomer to improve gel performance; the urea is used as a core component of the slow-release fertilizer; the absolute ethyl alcohol is used for wetting the surface of urea and promoting uniform coating of the SNA powder. According to the invention, the gel can automatically adjust the internal microporous structure according to different soil temperatures, so as to accurately control the release rate of nutrients, effectively solve the problem that the traditional slow release fertilizer cannot dynamically adjust the nutrient release according to the environmental change, and meet the differentiated demands of plants for nutrients in different growth stages.

The invention relates to the technical field of pet supplies, in particular to degradable cat litter and a cat litter preparation process, adopted corn starch, cassava starch and wheat starch are all natural plant components and are easy to biodegrade; meanwhile, calcium carbonate is adopted as a filling agent, so that the hardness and the stability of the cat litter are improved, the hygroscopicity of the cat litter is improved, and the caking property is indirectly enhanced; the added edible guar gum is used as a natural adhesive, so that the binding force among cat litter particles can be remarkably improved, the caking property of the cat litter is enhanced, and the phenomenon that the cat litter sticks to the bottom of a basin after being shoveled out is reduced, and the problems that the cat litter in the prior art is difficult to degrade, poor in environmental protection property, weak in caking property and poor in environmental protection property are solved in this way. The technical problem that the spatula sticks to the pot bottom is solved.

The invention provides a biological fermentation feed for enhancing immunity of aquatic animals and a preparation method of the biological fermentation feed, and relates to the technical field of aquaculture. The biological fermentation feed is prepared by compounding fish bone meal, a rice bran fermentation material, soybean meal, a compound fermentation material, visceral meal, orange peel powder, corn starch, compound vitamins, tea saponin and protocatechuic acid. According to the present invention, the defects in the prior art are overcome, the weight gain growth of the aquatic product is comprehensively ensured through the compound addition of the microbial components of the aquatic product feed and the regulation and control of other components, the immunity of the aquatic product is further improved, and the artificial breeding benefit of the aquatic product is comprehensively ensured.

The invention provides a soil conditioner for improving soil hardening and a preparation method thereof, and relates to the technical field of soil conditioning. The soil conditioner is prepared by combining nano silicon dioxide, a straw retting material, a straw composite fermentation material, biochar, a water-retaining agent and modified starch. The straw composite fermented material is prepared by the following steps: crushing straws, mixing with sweet water, stirring, drying, carrying out microwave treatment, mixing with bacillus thuringiensis, fermenting, sterilizing, subsequently adding a composite microbial agent of bacillus subtilis, trichoderma and bacillus mucilaginosus, continuously fermenting, and drying. The modified starch is prepared by semi-gelatinizing corn starch and then carrying out microwave drying and shaping. According to the present invention, the defects in the prior art are overcome, the soil hardening phenomenon can be rapidly improved with the small addition amount, the soil porosity is increased, the activity and the diversity of the soil microorganisms are ensured, and the soil fertility is improved.

The invention provides a full-degradable polymer composite material for tableware and a preparation method of the full-degradable polymer composite material, and belongs to the technical field of polymer materials. According to the invention, amylose corn starch, hydrophobic modified corn starch, cassava acetylated distarch phosphate, a polylactic acid-poly (butylene succinate) interpenetrating network structure material, a copolymer of 3-hydroxybutyrate and 3-hydroxyvalerate, polycaprolactone, stearic acid modified micron titanium dioxide, chitosan quaternary ammonium salt and a composite plasticizer are adopted according to a specific ratio; the fully-degradable polymer composite material is obtained by compounding the composite heat stabilizer and stearic acid, has controllable and good biodegradability and good mechanical properties, enhances heat stability, improves processability, makes all the components easier to mix uniformly, facilitates molding processing of the material, and improves production efficiency and product quality.

The invention discloses a plant-sourced anti-allergy soothing composition and application thereof, and belongs to the field of cosmetic processing.The plant-sourced anti-allergy soothing composition is prepared from hydrolyzed corn starch, saururus chinensis extract, carrot root extract and water-soluble hesperidin. Active ingredients of plant sources are deeply studied, and the anti-allergy soothing composition has the advantages that the plant-sourced anti-allergy soothing composition is prepared from the hydrolyzed corn starch, the saururus chinensis extract, the carrot root extract and the water-soluble hesperidin; a series of plant extracts with a synergistic effect are screened out, the plant-source multi-dimensional composition for relieving itching and repairing red is successfully researched and developed, and through the synergistic effect of the hydrolyzed corn starch, the saururus chinensis extract, the carrot root extract and the water-soluble hesperidin, the composition has the effects of relieving and repairing skin in a multi-dimensional mode, relieving itching and repairing red. In addition, the composition can repair the skin barrier for a long time and improve the tolerance of the skin, and meanwhile, the composition has good safety and stability and is suitable for various skin types, especially sensitive skin.

The invention discloses a high-adhesion solid-state capacitor carbon foil production process, and relates to the technical field of solid-state capacitor carbon foils. The preparation method comprises the following steps: generating a three-dimensional graphene layer in situ on the surface of an aluminum foil by a chemical vapor reduction method; secondly, the graphene layer is modified by utilizing aluminum nitrate ammonium nitrate, and then the Ni-Al layer with a continuous lamellar structure is prepared on the graphene layer through electrochemical deposition, so that active sites are provided, and the ion diffusion capability of the carbon foil is remarkably improved; finally, mixing ethylene diamine tetraacetic acid dipotassium salt and corn starch to prepare nitrogen-doped carbon aerogel, preparing the nitrogen-doped carbon aerogel into powder, and coating the surface of the Ni-Al layer with the powder to prepare a four-layer composite carbon foil; by doping nitrogen atoms, the surface chemical performance of the carbon aerogel material can be changed, the wettability of an electrode is improved, the diffusion rate of electrolyte ions is increased, and the specific capacity of the material is increased, so that the overall electrochemical performance of the carbon foil is improved. The four-layer composite carbon foil prepared by the invention has the effects of high adhesion and excellent electrochemical performance.

The invention discloses a method for identifying and quantifying multi-type starch adulterated sweet potato starch. The method comprises the following steps of: establishing a characteristic near infrared spectrum database of sweet potato starch, potato starch, corn starch, cassava starch and the like by taking common low-value raw material starch such as cassava starch, corn starch and the like as a doping object of sweet potato starch and taking a near infrared spectrum technology as a detection means; pre-treating the obtained spectrum by combining a stoichiometric method and establishing a multi-type identification model to realize identification of pure sweet potato starch and non-pure sweet potato starch, and predicting the proportion of the sweet potato starch in the sweet potato starch. The method disclosed by the invention has important reference significance for formulating a potato starch classification standard, can be used for quickly and accurately identifying the starch type, is beneficial to fighting against bad behaviors such as counterfeiting and adulteration of starch in the market, guides the collection, storage and processing of sweet potato starch, and helps to screen high-quality potato starch raw materials for potato starch products; and the overall value and practicability of the starch-based product are improved.

The invention relates to the technical field of pipeline powder weighing, in particular to a powder weighing device based on a ten-thousand-minute balance, which comprises a bracket, a stirring blanking mechanism and a layered crushing mechanism, the bracket is fixedly connected with a hopper, the top of the hopper is fixedly connected with a top cover, and the top cover is fixedly communicated with a feeding bin; the stirring and discharging mechanism is used for equivalent stirring and discharging, and the layered crushing mechanism is used for crushing materials in a layered mode to prevent caking. Corn starch is equivalently and stably conveyed out from a discharging port by utilizing spiral pushing movement of a screw rod, so that the discharging amount is uniform and consistent each time, and the requirement of accurate weighing is met; the layered crushing mechanism drives a stirring piece to slide on a rotating shaft up and down in a reciprocating manner while the stirring and discharging mechanism operates; and then the blades are used for carrying out layered crushing on the agglomerated materials, so that the agglomerated corn starch materials can be fully dispersed, non-uniform blanking caused by the agglomerated materials is avoided, and the mass of the corn starch weighed each time is closer to a target value.

The invention provides an application of inositol monophosphate in an enzyme catalysis reaction system for preparing inositol. The invention also provides a preparation method of the inositol, the starch is used as a substrate, glucan phosphorylase, glucose phosphate mutase, inositol-3-phosphate synthase and inositol monophosphate are added as enzyme catalysts to catalyze the substrate to generate the inositol, the inositol monophosphate is derived from Archaeoglobus fulgidus, the amino acid sequence is shown as SEQ ID NO: 12, or the amino acid sequence is shown as SEQ ID NO: 1, or the amino acid sequence is shown as SEQ ID NO: 2, or the amino acid sequence is shown as SEQ ID NO: 3, or the amino acid sequence is shown as SEQ ID NO: 4, or the amino acid sequence is shown as SEQ ID NO: 5, or the amino acid sequence is shown as SEQ ID NO: 6. The inositol monophosphate is derived from Thermococcus kodakarensis, and the amino acid sequence of the inositol monophosphate is as shown in SEQ ID NO: 13; or the inositol monophosphate is derived from Pseudothermotoga lettinae, and the amino acid sequence of the inositol monophosphate is as shown in SEQ ID NO: 14. Inositol-3-phosphate synthetase and inositol monophosphate with good performance are screened, high-concentration starch is efficiently catalyzed to be converted into inositol by a one-pot method in a whole-cell feeding mode, and NAD < + > and other coenzymes do not need to be used. Under a 60L reaction system, 200g / L of corn starch is catalyzed, the unit yield of the prepared inositol reaches 161g / L, and the method has a good industrial application prospect.

The invention provides a preparation method and application of low-bath-ratio and high-viscosity hydroxypropyl carboxymethyl composite starch ether, and relates to the technical field of starch deep processing. The method comprises the following steps: S1, premixing corn starch with a compound base catalyst and magnesium stearate, and spraying an ethanol water solution for alkalization; s2, adding epoxypropane to carry out first-stage etherification, and then adding sodium chloroacetate to carry out second-stage etherification; and S3, after the reaction is finished, performing vacuum drying, crushing and sieving to obtain the high-viscosity hydroxypropyl carboxymethyl composite starch ether. Wherein the composite alkali catalyst comprises sodium hydroxide, sodium carbonate and calcium oxide. The starch ether obtained by the method has the advantages of high substitution degree, high viscosity, low solvent consumption and low energy consumption, and overcomes the defects of the traditional semi-dry method.

The invention discloses environment-friendly cassava cat litter and a preparation method thereof, and belongs to the technical field of pet supplies, and the environment-friendly cassava cat litter is prepared from the following raw materials in parts by weight: 45-55 parts of cassava starch, 20-30 parts of cassava peel, 8-15 parts of corn starch, 8-12 parts of water hyacinth fiber, 5-10 parts of bamboo fiber, 2-4 parts of propolis and 1.5-3.0 parts of mussel mucin. The raw materials are subjected to step-by-step synergistic enzymolysis and step-by-step fermentation to obtain the environment-friendly cassava cat litter. According to the mode, natural raw materials are combined, and the preparation process of step-by-step enzymolysis and step-by-step fermentation is adopted, so that the antibacterial performance and water absorption performance of the cat litter are improved, the defecation comfort and cleanliness of pet cats are improved, sanitation and health of pets and family environments are guaranteed, meanwhile, the product can be completely degraded in the natural environment after being used, and the environment is protected. The cat litter does not generate permanent solid waste like bentonite and silica gel cat litter, and is very environment-friendly.

The invention discloses a processing method of fermented cottonseed meal for replacing soybean meal. The method comprises the following steps: uniformly mixing cottonseed meal, feather meal, corn starch and water to obtain a fermentation substrate, adding a first-stage fermentation inoculant into the fermentation substrate for aerobic fermentation, adding a second-stage fermentation inoculant for anaerobic fermentation after fermentation is finished, and performing low-temperature drying and crushing on a fermentation product after fermentation is finished to obtain the cottonseed meal fermented feed. The first-stage fermentation inoculant comprises candida utilis, aspergillus oryzae, papain and cellulase; and the second-stage fermentation inoculant comprises lactobacillus reuteri and lactobacillus acidophilus. According to the method, a bacterium-enzyme synergistic two-step fermentation mode is adopted, bacterium-enzyme synergistic aerobic fermentation is carried out firstly, then anaerobic fermentation is carried out with compound probiotics, and the obtained cottonseed meal fermented feed is high in crude protein and amino acid content and good in palatability, can completely replace soybean meal, can effectively regulate fat metabolism and can improve the lean meat percentage of fattening pigs.

The invention relates to a composition with functions of protecting gingiva and repairing enamel and a preparation method of the composition, and belongs to the technical field of oral care. The composition contains a functional additive, a plant compound fermentation extract and the like, the functional additive is a mixture of corn starch, calcium phosphosilicate, hydroxyapatite, ubiquinone, sodium guaiazulene sulfonate, menthol and vitamin E, and the plant compound fermentation extract is obtained by fermenting and purifying honeysuckle flowers, radix polygonati officinalis and dandelions according to a specific proportion. Through the synergistic effect of the fermentation extract and the functional components, the problems that an existing toothpaste body is hardened, the storage stability is poor, the gingival protecting effect is short, and the enamel repairing persistence is insufficient are solved, the gingival protecting effect can be enhanced, the enamel repairing effect can be improved, the stability of the toothpaste body can be optimized, the antibacterial property and the oral mucosa relieving effect are achieved, and the oral cavity repairing effect is achieved. And the preparation process is scientific and reasonable, and is suitable for daily oral care.

The invention discloses a ganoderma lucidum liver-protecting pill and a preparation method thereof, and the ganoderma lucidum liver-protecting pill comprises the following components: 8-20% of ganoderma lucidum polysaccharide extract, 5-15% of coptis chinensis extract, 4-10% of pulvis fellis saponin extract, 3-8% of oriental wormwood, 2-8% of taurine, 1-3% of vitamin E and 2-6% of scleroprotein (ganoderma lucidum sclerotium extract). The auxiliary materials comprise microcrystalline cellulose, corn starch, licorice extract, polyvinyl alcohol and the like, and the balance is 100%. Therefore, the problem of ingredient inactivation caused by traditional high-temperature / solvent extraction is solved through process innovation (such as supercritical CO2 pressure 300bar / enzymolysis pH 5.0 parameter optimization), the dissolution rate is increased to be more than or equal to 90% in 30 minutes (traditional pills need 45 minutes and only 75%), the limitation of single ingredient liver protection is broken through through the synergistic effect of the composite ingredients, and the liver protection effect is improved. Animal experiments prove that a liver injury marker ALT / AST can be reduced by more than 50%, the hepatic fibrosis area can be reduced by 40%, the degradation rate of the active ingredients within 6 months in a stability test is less than or equal to 5%, and the comprehensive bioavailability is improved by 30% compared with that of a traditional product.

The invention relates to the technical field of soil remediation, and particularly discloses a soil remediation agent containing construction waste resourceful treatment substances as well as a preparation method and application of the soil remediation agent. The soil remediation agent disclosed by the invention is prepared from 1.5 to 2.5 parts of construction waste resourceful treatment substances, 0.1 to 0.3 part of mineral substances and 0.6 to 1.0 part of modified kaolin, the preparation method of the construction waste resourceful treatment substance comprises the following steps: performing magnetic separation and winnowing purification on construction waste, crushing, pyrolyzing, soaking in an activating solution, filtering, drying and grinding to obtain the construction waste resourceful treatment substance. A preparation method of the modified kaolin comprises the following steps: uniformly mixing kaolin, corn starch and water, adding compound bacteria, uniformly mixing, fermenting, drying and grinding, thereby obtaining the modified kaolin. The compound bacteria are prepared from bacillus subtilis and bacillus laterosporus. By utilizing the soil remediation agent provided by the invention, the content of available cadmium in soil can be effectively reduced, so that the production safety of plant planting is improved, and the yield of plants can be effectively increased.

The invention belongs to the field of preparation of oxidized starch, and relates to a method for preparing oxidized starch by a mechanochemical method. Hydroxyl of corn starch is oxidized by hydrogen peroxide to generate modified starch with high carboxyl content, so that the modified starch has wider application. The preparation thought of a full bio-based mechanical method is adopted, the obtained modified starch has good economical efficiency, environmental safety and natural degradability, and the problems that an oxidized starch preparation process in the current market is large in environmental pollution, wastes resources, is tedious in process and the like are solved. According to the invention, biomass is used as a reaction raw material, is renewable and degradable, and accords with the green chemistry concept.