39 results about "Sodium trimetaphosphate" patented technology

The invention discloses a preparation method of phosphorus-doped and closed-pore synergistically regulated biomass hard carbon and application of the phosphorus-doped and closed-pore synergistically regulated biomass hard carbon in a negative electrode of a sodium-ion battery, and belongs to the technical field of electrode materials. The preparation method comprises the following steps: preparing a water-based starch suspension with a certain mass fraction by taking starch as a biomass precursor, carrying out a cross-linking reaction through sodium trimetaphosphate to form a phosphate ester bond bridged stable network structure, pre-oxidizing the cross-linked precursor, and then carbonizing in a high-temperature inert atmosphere to obtain the water-based starch composite material. And the hard carbon material with expanded interlayer spacing, phosphorus doping and high closed pore volume is prepared. The material shows high reversible capacity, high initial coulombic efficiency, excellent rate capability and cycling stability when being used as a sodium-ion battery negative electrode active material. According to the preparation method disclosed by the invention, through a simple cross-linking-carbonizing process, cooperative regulation and control of heteroatom doping and a closed-pore structure are realized, and a new strategy is provided for large-scale preparation of the high-performance biomass hard carbon negative electrode.

The invention belongs to the technical field of fine chemical engineering, and discloses hydroxypropyl crosslinked starch as well as a preparation method and application thereof. The preparation method of the hydroxypropyl crosslinked starch comprises the following steps: mixing starch and water to prepare starch milk; adding sodium phytate and urea; adding sodium sulfate and sodium hydroxide after cooling; adding epoxypropane for reaction; and adding sodium trimetaphosphate to react to prepare the hydroxypropyl crosslinked starch. The hydroxypropyl crosslinked starch prepared by the preparation method disclosed by the invention has excellent shear resistance, acid resistance and oxidation resistance.

The utility model relates to the field of packaging paper, in particular to degradable packaging paper which comprises a base material layer, a fiber layer and an aluminum foil layer, a moisture absorption layer is arranged on the base material layer, and sodium trimetaphosphate powder is arranged on the moisture absorption layer. The fiber layer is pressed at the bottom of the moisture absorption layer and limits the sodium trimetaphosphate powder on the moisture absorption layer; the inner side of the aluminum foil layer is provided with a reinforcing rib, and when the aluminum foil layer is pressed on the fiber layer, the reinforcing rib penetrates through the fiber layer, so that the reinforcing rib and the fiber layer are arranged in a mutual winding mode, and according to the degradable packaging paper disclosed by the utility model, through mutual winding of the fiber layer and the reinforcing rib, the connection strength of the packaging paper is enhanced; and the fiber layer and the moisture absorption layer can limit the sodium trimetaphosphate powder at the same time, so that the packaging paper has certain moisture absorption performance, and the packaging paper can still have good performance after being wetted.

The invention relates to a bio-based adsorbent capable of removing microcystic toxins-LR in water, a preparation method of the bio-based adsorbent comprises the following steps: performing steam explosion treatment on rice husks, and then jointly treating the steam-exploded rice husks with sodium hydroxide and sodium trimetaphosphate to obtain rice husks containing phosphate ester groups. The prepared bio-based adsorbent can realize adsorption of microcystic toxins-LR in wastewater, and also has efficient adsorption capacity in the presence of humic acid, calcium carbonate, sodium chloride, magnesium sulfate and other organic and inorganic substances. The adsorption rate of the rice hull powder adsorbent subjected to joint modification on microcystic toxins-LR is obviously higher than that of an original rice hull powder adsorbent, and the rice hull powder adsorbent can quickly adsorb pollutants in water and has a good removal effect on the microcystic toxins-LR within the pH range of an algae culture medium; the potential of adsorbing the microcystic toxins-LR in a microalgae culture environment is realized. Meanwhile, as a typical agricultural waste, the rice husks are turned into wealth through a two-step rapid modification method, and a new way for recycling the rice husks is provided. Therefore, the method for removing the microcystic toxins-LR in the water by utilizing the biomass adsorbent is a good choice, so that the pollution removal of the water body and the reutilization of agricultural wastes are realized.

The invention belongs to the field of novel food flavors, and particularly discloses a high-temperature-resistant natural milk flavor as well as a preparation method and application thereof, and the high-temperature-resistant natural milk flavor comprises the following components: 10-30 parts of butter enzymatic hydrolysate, 80-150 parts of reconstituted milk enzymatic hydrolysate, 20-30 parts of whey protein powder, 100-130 parts of maltodextrin, 100-120 parts of composite modified starch, 1-5 parts of a high-temperature protective agent and 300-500 parts of deionized water. The preparation method comprises the following steps: respectively preparing butter enzymatic hydrolysate and reconstituted milk enzymatic hydrolysate; mixing and emulsifying the whey protein powder and the composite modified starch with a wall material system consisting of the whey protein powder, the maltodextrin and the composite modified starch, homogenizing and sterilizing, and spray-drying to obtain the whey protein powder. The composite modified starch is prepared by performing octenyl succinic anhydride esterification and sodium trimetaphosphate cross-linking composite modification on cassava raw starch. Through the synergistic effect of composite enzymolysis, a specific wall material system and a high-temperature protective agent, the industrial problems that the fragrance of the natural milk-flavored essence is easy to lose and the flavor is unstable during high-temperature processing are successfully solved.

The invention relates to a preparation method of acetylated distarch phosphate with high transparency, and belongs to the technical field of starch deep processing. The method comprises the following steps: by taking waxy corn starch as a raw material, dispersing the waxy corn starch into starch milk, and carrying out ultrasonic pretreatment; then sequentially carrying out acetylation and cross-linking reaction under a step-by-step optimization condition: firstly, taking acetic anhydride as a reagent, carrying out reaction at the pH value of 8.0-9.0 and the temperature of 20-35 DEG C, neutralizing until the pH value is 6.0-7.0, then taking sodium trimetaphosphate as a cross-linking reagent, adding sodium chloride as an accelerant, and carrying out reaction at the pH value of 10.0-11.0 and the temperature of 35-50 DEG C; and finally, neutralizing, washing with a 70-90% ethanol water solution, and drying to obtain the product. The product disclosed by the invention is excellent in transparency and good in freeze-thaw stability, and can be efficiently applied to preparation of transparent gel foods, frozen desserts and neutral transparent beverages.

The invention belongs to the technical field of biomedical materials, and discloses microgel assembly powder capable of rapidly stopping bleeding as well as a preparation method and application of the microgel assembly powder. The microgel assembly powder is composed of microgel powder and assembly agent powder, and the mass ratio of the microgel powder to the assembly agent powder is (1: 10)-(10: 1); the microgel powder comprises carboxymethylated and sodium trimetaphosphate cross-linked dual-modified polymer powder, and the assembling agent powder is polyphenol modified polymer powder. The microgel assembly powder can quickly absorb moisture in blood to concentrate the blood after being in contact with the blood, meanwhile, rich ortho-phenolic hydroxyl groups on the assembly agent can immediately form a hydrogen bond network among microgel, red blood cells and platelets, and the microgel assembly powder is assembled into hydrogel with excellent mechanical strength and adhesion performance. In addition, the powder can load bioactive molecule thrombin, activate multiple blood coagulation cascade reaction and promote formation of a fibrous protein network and blood clots, and through the synergistic effect of multiple hemostasis mechanisms, the powder shows rapid and effective hemostasis performance.

The application discloses starch-based colon double-targeting microgels, a preparation method and application thereof. The preparation method comprises the following steps: covalently connecting chondroitin sulfate to beta-cyclodextrin by EDC to prepare beta-cyclodextrin-chondroitin sulfate; encapsulating a hydrophobic bioactive substance in the hydrophobic cavity of the beta-cyclodextrin in the beta-cyclodextrin-chondroitin sulfate to prepare beta-cyclodextrin-chondroitin sulfate loaded with the bioactive substance; modifying dextrin by octenyl succinic anhydride to prepare modified dextrin; and making a first mixed reaction system comprising the beta-cyclodextrin-chondroitin sulfate loaded with the bioactive substance, the modified dextrin and sodium trimetaphosphate to have a crosslinking reaction to prepare starch-based colon double-targeting microgels. The starch-based colon double-targeting microgels have good encapsulation and protection effects on the bioactive substance, and have a targeting effect in the colon, so that the bioactive substance can be more effectively delivered.

The invention relates to the technical field of dust suppression materials, in particular to a multifunctional dust suppressant suitable for a coal mine and a preparation method and application of the multifunctional dust suppressant. Gastrodia elata polysaccharide and solani gum are used as base materials, the gastrodia elata polysaccharide is subjected to carboxymethylation modification so as to remarkably improve the wettability of the gastrodia elata polysaccharide, sodium trimetaphosphate is used as a cross-linking agent, and stable phosphodiester bonds are formed between carboxymethylated gastrodia elata polysaccharide and solani gum molecules under the alkaline condition; sodium dodecyl benzene sulfonate is compounded, so that the wetting and infiltration capacity of the whole system is further enhanced. Through targeted adjustment of raw material selection and raw material ratio cooperation, the prepared dust suppressant can simultaneously realize high wettability, strong cohesiveness and good water retention, and can rapidly wrap coal dust to form a compact consolidation layer with high mechanical strength, actually, the coal dust settling time is less than 20 seconds, the hardness of the consolidation layer exceeds 80 HA, and the dust suppressant has good dust suppressant performance. The dust suppression efficiency on PM10 reaches 98% or above, and good wind erosion resistance and rain erosion resistance are achieved.

The invention relates to the technical field of gypsum boards, and discloses a water-resistant gypsum board core added with aluminum sulfate, which at least contains 1-4g / m < 2 > of aluminum sulfate, 0-2g / m < 2 > of sodium trimetaphosphate, 12-18g / m < 2 > of silicone oil and 1-5g / m < 2 > of crystal regulator. The production method comprises the following steps: adding the aluminum sulfate and the sodium trimetaphosphate in different proportions into the gypsum base material, and uniformly mixing to prepare a plurality of parts of detection slurry; respectively carrying out crystal growth detection on the plurality of parts of detection slurry, and selecting an optimal growth sample of clinker crystals to obtain material proportioning parameters of aluminum sulfate and sodium trimetaphosphate; aluminum sulfate and sodium trimetaphosphate are blended according to material proportioning parameters, and a water-resistant gypsum board core is obtained; and a device for the production method. According to the invention, the monitoring of the damp flexibility of the gypsum board is realized, and the difference of the damp flexibility of the gypsum boards in different batches is reduced by controlling the material ratio.

The invention provides a method for improving emulsification characteristics of eggshell membrane peptide emulsion by combined utilization of phosphorylation modification and polyphenol composite technologies. The method comprises the following steps: taking eggshell membrane powder, sodium trimetaphosphate, procyanidine and the like as preparation raw and auxiliary materials, performing enzymolysis, centrifugation, phosphorylation reaction, ultrafiltration and freeze drying to prepare phosphorylated eggshell membrane active peptide, then mixing the phosphorylated eggshell membrane active peptide with procyanidine in equal proportion, reacting in a shaking table at room temperature for 1 hour to form an aggregate solution, and drying the aggregate solution to obtain the product. And mixing with medium chain triglyceride in proportion, and carrying out high-speed homogenization and ultrasonic treatment to obtain the stable emulsion. The prepared phosphorylated eggshell membrane peptide-procyanidine compound aggregate emulsion has good emulsifying performance and storage stability, and the application range of the eggshell membrane peptide in the food field is widened.

The invention belongs to the field of food additives and specifically discloses a preparation process and application of lipophilic composite modified starch; the preparation process comprises the following steps: 1) using cassava starch as a raw material, and after mechanical activation, phosphorylating and cross-linking the cassava starch to obtain phosphate-modified starch; 2) pretreating the phosphate-modified starch to obtain a pretreatment liquid, and performing three-enzyme continuous modification and denaturation on the pretreatment liquid, wherein the three-enzyme continuous modification and denaturation comprises the following steps: 21) starch branching enzyme modification and denaturation, 22) beta-amylase modification and denaturation, and 23) pullulanase modification and denaturation; the starch of the invention is modified by sodium trimetaphosphate and subjected to three-enzyme continuous modification and denaturation at the same time, thereby compensating for the defects of single enzyme modification, and the obtained product has the dual properties of cross-linked starch and esterified starch, has the advantages of good hydrophilic and lipophilic properties, high viscosity, freeze-thaw resistance, dehydration (aging) resistance, and the like, thereby making the product have better practicality.

This application relates to the technical field of soft capsules, and specifically discloses a ginkgo biloba soft capsule and a preparation method thereof. The ginkgo biloba soft capsule is composed of a content composition and a soft capsule shell; the content composition is mainly made of the following raw materials in parts by weight: 25-35 parts of ginkgo biloba extract, 40-50 parts of soybean oil, 3-7 parts of phosphatidylcholine, and 18-22 parts of mannitol; the soft capsule shell is mainly made of the following raw materials in parts by weight: 35-48 parts of water, 20-25 parts of gelatin, 9-11 parts of modified starch, 7-9 parts of sodium alginate, 2-4 parts of potassium citrate, and 10-20 parts of plasticizer; the modified starch is obtained by treating starch with sodium trimetaphosphate and phosphonodipeptide sodium. This ginkgo biloba soft capsule exhibits the advantages of short disintegration time, high strength of the soft capsule shell, uniform wall thickness of the soft capsule shell, few surface defects, and high qualification rate through the synergistic effect among the raw materials, meets the market demand, and has economic value.

This invention provides a hemostatic composition, its preparation method, and hemostatic products. The raw materials of the hemostatic composition include the following components in parts by weight: 0.01-0.5 parts cannabidiol, 10-150 parts tannic acid-modified carboxymethyl chitosan, and 5-250 parts cross-linked starch. The raw materials of the tannic acid-modified carboxymethyl chitosan include the following components in parts by weight: 45-55 parts carboxymethyl chitosan and 0.5-1.5 parts tannic acid. The raw materials of the cross-linked starch include the following components in parts by weight: 95-105 parts carboxymethyl enzymatically hydrolyzed starch and 2-5 parts sodium trimetaphosphate. This hemostatic composition has good hemostatic effect, and its use in hemostatic products can enable the hemostatic products to have good hemostatic effect.

The invention relates to an embolism microsphere with a photothermal effect and a preparation method and application thereof, and belongs to the technical field of embolism microspheres. The preparation method comprises the following steps: mixing starch and a cross-linking agent in water to obtain an aqueous phase solution; adding the water-phase solution into the oil-phase solution, and carrying out reversed-phase suspension polymerization reaction to obtain starch hydrogel microspheres; wherein the cross-linking agent comprises at least one of sodium trimetaphosphate or sodium tripolyphosphate; oxidizing the starch hydrogel microspheres with sodium periodate to obtain oxidized starch microspheres; the oxidized starch microspheres are subjected to surface modification by adopting dopamine, a polydopamine coating layer is formed on the surfaces of the oxidized starch microspheres, and the embolism microspheres with the photothermal effect are obtained. The embolism microspheres have degradability and drug loading performance at the same time, embolism-chemotherapy-photothermal triple therapy is cooperated, drug release can be controlled through the photothermal effect, and therefore the embolism microspheres can be effectively used for TAE or TACE treatment.

The invention relates to a porous starch microsphere as well as a preparation method and application thereof, and belongs to the technical field of embolism microspheres. The preparation method comprises the following steps: heating and gelatinizing starch in an alkaline aqueous solution, and adjusting the pH value to 7-8 to obtain a starch solution; mixing the starch solution, a cross-linking agent and a polyvinyl alcohol aqueous solution to obtain a water phase; wherein the cross-linking agent comprises sodium trimetaphosphate and / or sodium tripolyphosphate; mixing the water phase and the oil phase, and carrying out a cross-linking reaction to obtain gel microspheres; and placing the gel microspheres in water, and heating until the polyvinyl alcohol is dissolved to obtain the porous starch microspheres. Starch is used as a raw material, polyvinyl alcohol and sodium trimetaphosphate and / or a sodium tripolyphosphate cross-linking agent are not easy to react, and a porous structure with a controllable aperture is formed in situ, so that various types of drugs can be effectively embedded and loaded, and efficient loading and slow release of the drugs are realized in combination with the degradable characteristic of the starch.

The invention discloses an oral care composition for middle-aged and elderly people and a preparation method thereof, and belongs to the technical field of oral care compositions. The oral care composition is used for solving the technical problems that the oral care composition in the prior art cannot adopt a proper carrier to load antibacterial and anti-inflammatory active substances and how to improve the tooth hardness of middle-aged and elderly people. The oral care composition for middle-aged and elderly people comprises a blood coagulation preparation, repair type permeable resin, peppermint oil and deionized water. The amylopectin is crosslinked with sodium trimetaphosphate, and corn starch after primary crosslinking is obtained; cetylpyridinium chloride is added into the starch emulsion for secondary crosslinking, and the crosslinked starch carrier is prepared. Uniformly mixing the adsorbent resin, calcium phosphate, magnolol and ultrapure water, and reacting to prepare the repair type permeable resin; the adsorption resin is obtained by reaction of formaldehyde, 2-(trifluoromethyl) hydroquinone, 4-bromine-1-butene and the like. The oral care composition for the middle-aged and elderly people has the advantages of being antibacterial, high in stability and capable of enhancing tooth strength.

The application discloses a preparation method of modified corn flour and application of the modified corn flour in tea noodles and belongs to the technical field of flour modification. First, the method for preparing the modified corn flour comprises the following steps: adding sodium trimetaphosphate, tea polysaccharide, chitosan and NaCl to prepare corn flour milk; performing crosslinking reaction under the condition of 38-45 DEG C; and performing enzymolysis reaction under the condition of 43+ / -2 DEG C, so as to obtain crosslinking-enzymolysis composite modified corn flour. Then, the crosslinking-enzymolysis composite modified corn flour, green tea extract, guar gum, salt and gluten powder are mixed to prepare green tea corn noodles. The green tea corn noodles prepared by the method have similar taste to traditional wheat noodles, good strength and dough performance, low glycemic index and are suitable for diabetics.

A new technology has been developed to produce RS4 resistant starch by chemically modifying starch with sodium tripolyphosphate (STPP) and sodium trimetaphosphate (STMP) to crosslink the starch in a semi-dry state. Compared to the conventional wet slurry modification process using purified starch, the process of the invention is economical and more sustainable with less chemicals, less water, simple mixing with low energy and has high reaction efficiency. The invention is exemplified with the use of pea starch to make a new pulse starch product comprising 60-85% wt / wt starch and 5-10% wt / wt protein, wherein at least 50% of the starch is crosslinked starch and the pea product contains at least 60% dietary fibre by wt / wt, however, the invention is applicable to cereal grains, roots, tubers or other pulse starches.

The application discloses a preparation method of high-substitution-degree hydroxypropyl distarch phosphate, which comprises the following steps: preparing a starch milk solution; performing multi-gradient pretreatment on the starch suspension emulsion; collecting the pretreated starch sample; placing anhydrous Na2SO4 in water, stirring until completely dissolved, then adding the pretreated starch sample, and uniformly stirring; adjusting the pH value of a reaction system, adding propylene oxide, and reacting; adding sodium tripolyphosphate and sodium trimetaphosphate, and reacting; and stopping the reaction to obtain high-substitution-degree hydroxypropyl starch. The preparation technology of the high-substitution-degree hydroxypropyl distarch phosphate in the application does not use organic solvents and does not pollute the environment; the modification reaction process in the technology can be carried out in a closed manner at normal temperature, and the requirement on equipment is low; and the hydroxypropyl substitution degree of the hydroxypropyl distarch phosphate prepared by using the patent technology is between 0.5 and 1.0.

The present application relates to a kind of liquid-solid phase change autogenic hydroxyapatite microspheres solution and its preparation method and application.The liquid-solid phase change autogenic hydroxyapatite microspheres solution includes calcium source solution, composite phosphorus source solution and composite regulator solution;The calcium source solution includes calcium salt;The composite phosphorus source solution includes phosphorus salt;The phosphorus salt includes the combination of any two or at least three of sodium tripolyphosphate, sodium hexametaphosphate, sodium trimetaphosphate or sodium hexametaphosphate;The composite regulator solution includes urea and organic acid.The liquid-solid phase change autogenic hydroxyapatite microspheres solution of the present application can generate hydroxyapatite microspheres in situ under specific temperature conditions by hydrothermal reaction, and can be used as proppant in the fracture after oil and gas reservoir fracturing, has good flow conductivity, thereby improving recovery efficiency.

The application relates to the technical field of soil improvement, in particular to a soil loosening agent and a preparation method and application thereof. The raw materials of the soil loosening agent include, by mass fraction, 5-10 parts of corn starch, 1-3 parts of sodium trimetaphosphate, 1-2 parts of amylase, 5-15 parts of acrylamide, 0.1-1 part of ammonium persulfate, 1-5 parts of a crosslinking agent, 1-2 parts of an emulsifier, 5-15 parts of methyl methacrylate, 1-5 parts of dopamine, 1-3 parts of a compound microbial agent, 10-20 parts of bentonite and 1-5 parts of humic acid. The application has good soil loosening effect, can promote the formation of granular structure, has excellent water retention and ventilation effects, guarantees the good growth of plant roots, makes the soil more suitable for crop growth, improves the growth and development characteristics of crops, and increases the yield and income of crops.

The application discloses a cassava starch glue additive composition and a preparation method thereof in the technical field of material preparation, and comprises the following components in parts by weight: modified cassava starch 150 parts, modified zein fiber 30-50 parts, 10% sodium hydroxide solution 10-20 parts, sodium chloride 0.1-0.15 parts, borax 5-10 parts, water 250-300 parts, and sodium carboxymethyl cellulose 0.3-0.5 parts; the modified cassava starch is a product obtained after pre-gelatinized cassava starch is crosslinked with sodium trimetaphosphate; and the modified zein fiber is a zein fiber obtained after PEEK modification. The waterproof property, heat resistance and adhesion of the glue are improved by modifying the cassava starch and adding the modified zein fiber, so that the waterproof property, heat resistance and adhesion strength of the cassava starch glue additive composition are improved.

The invention relates to the technical field of biological materials, in particular to a premixed injectable deciduous tooth root canal filling material and a preparation method and application thereof.The premixed injectable deciduous tooth root canal filling material is prepared from solid raw material powder alpha calcium sulfate hemihydrate, iodoform, barium sulfate, calcium oxide, calcium salt, sodium tripolyphosphate, sodium trimetaphosphate, calcium tetraphosphate, sodium chloride, an antibacterial agent and biological polyphenol; mixing with non-aqueous liquid glycerol and polyethylene glycol-400 / 600, and performing ball milling in a zirconium oxide ball milling tank to obtain the biological ceramic paste. The pre-mixed injectable calcium sulfate-based self-curing biological ceramic has the advantages that the pre-mixed injectable calcium sulfate-based self-curing biological ceramic has good operation performance, has good sealing performance on root canals, meets the international standard of ISO standard (ISO 6876-2012) Dentistry-Root Canal sealing bacteria, and has the advantages of absorbability, antibacterial property, anti-inflammatory property and good biocompatibility. The invention further provides a preparation method of the pre-mixed injectable calcium sulfate-based self-curing biological ceramic, and the preparation method of the pre-mixed injectable calcium sulfate-based self-curing biological ceramic has the advantages that the pre-mixed injectable calcium sulfate-based self-curing biological ceramic can be used for preparing the biological ceramic;

The application discloses a high-temperature environment adaptive concrete hydration temperature rise inhibitor and a preparation method thereof. The concrete hydration temperature rise inhibitor is a solid powder prepared from a solid mixture of sodium trimetaphosphate ascorbic acid ester compounds and retarding components and molten paraffin wax; the sodium trimetaphosphate ascorbic acid ester compounds are ester compounds generated from sodium trimetaphosphate and ascorbic acid under alkaline conditions; and the paraffin wax has a melting point of 44-50 DEG C. The high-temperature environment adaptive concrete hydration temperature rise inhibitor is prepared by mixing sodium trimetaphosphate ascorbic acid ester compounds, retarding components and paraffin wax. The hydration temperature rise inhibitor has the hydration regulation performance, has little influence on the induction period, is suitable for being applied to high-temperature mold-entering concrete, and can ensure the 28d compressive strength of the concrete.

The invention discloses a high-water-solubility L-ascorbic acid-2-phosphate calcium sodium salt as well as a preparation method and application of the high-water-solubility L-ascorbic acid-2-phosphate calcium sodium salt. The 1% aqueous solution of the calcium sodium salt is free of precipitation after standing at 25 DEG C for 24 hours, and the 600 nm light transmittance of the 0.1% aqueous solution is greater than or equal to 95%. The preparation method comprises the following steps: reacting L-ascorbic acid with sodium trimetaphosphate to generate AMP sodium salt, slowly dropwise adding calcium lactate or calcium gluconate at low temperature, adding 0.1-0.5 wt% of sodium citrate as an anti-precipitation protective agent, and carrying out low-temperature spray drying (inlet air is 150-170 DEG C and outlet air is 65-75 DEG C) and cold nitrogen cooling to obtain the product. The product is specially applied to water sprinkling for aquaculture, can be completely dissolved within 30 seconds under the concentration of 10g / L, is clear and transparent in solution, effectively solves the problems of slow dissolution, turbidity and precipitation of the traditional AMP calcium sodium salt during water sprinkling, and remarkably improves the biological utilization efficiency.

The application relates to the field of food / medicine auxiliary materials, and more particularly to a compound functional starch composition and a preparation method thereof. The compound functional starch composition is prepared from the following raw materials in mass parts: 65-100 parts of a compound starch matrix, 1-5 parts of a thickening agent, 3-6 parts of a water retention agent, 1-3 parts of a compatibility agent, 0.1-0.3 parts of an antioxidant, 3-5 parts of microcrystalline cellulose, 1-3 parts of citric acid, 0.5-1.5 parts of sodium trimetaphosphate, 3-6.5 parts of a functional anhydride and 180-250 parts of deionized water. The finally obtained compound functional starch composition not only has excellent functionality, but also has good storage stability, compatibility stability and freeze-thaw stability; the compound functional starch composition can improve the loading efficiency and has good processing application performance, thereby greatly improving the functionality and functional stability of the compound functional starch composition, expanding the applicable range of the compound functional starch composition in the field of food / medicine auxiliary materials and having very excellent application prospect.