36 results about "Corn syrup" patented technology

The invention relates to the technical field of microbial fermentation, in particular to a fermentation medium for producing oxytetracycline. According to the fermentation culture medium, a corn starch-molasses-wheat hydrolyzed sugar composite carbon source, a soybean cake powder-corn steep liquor-yeast extract composite nitrogen source and a choline chloride-betaine-L-lysine precursor accelerant in a specific proportion are used as a core innovative system, and a form regulating agent, a defoaming agent and inorganic salt are cooperatively added. Through the synergistic effect of multiple components, the fermentation titer and yield of oxytetracycline are remarkably improved, the fermentation period is shortened, the generation of heteroacid is effectively inhibited, the mycelium form is optimized, and the oxytetracycline fermentation medium is suitable for industrial large-scale production of oxytetracycline.

The invention relates to the technical field of microbial oil recovery, in particular to bacillus subtilis 20P3 LZT, fermentation liquor and application of the bacillus subtilis 20P3 LZT to microbial oil recovery, the bacillus subtilis 20P3 LZT is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30366. The bacillus subtilis 20P3 LZT is found for the first time, can generate surfactant lipopeptide, can grow on the basis of molasses or corn steep liquor dry powder as a carbon source, has good emulsification and viscosity reduction performance on crude oil, has the emulsification and viscosity reduction rate of 70% on thick oil, can reduce the viscosity of the crude oil and enhance the fluidity of the crude oil, and can be used for preparing crude oil. On one hand, the oil-water fluidity ratio is reduced, and on the other hand, the emulsified crude oil has the effects of profile control and liquid flow diversion, so that the crude oil recovery rate is indirectly improved, and a new strain and a material are provided for a microbial oil recovery technology.

The invention discloses a high-density selenium-enriched fermentation culture medium and a selenium-enriched fermentation method thereof. Each liter of the high-density selenium-enriched fermentation culture medium comprises the following components in percentage by mass: 4.5 to 4.8 percent of glucose, 0.4 to 0.7 percent of urea, 0.1 to 0.4 percent of KH2PO4, 3 to 4 percent of corn steep liquor, 0.1 to 0.4 g / L of MgSO4 and 0.1 to 0.4 g / L of ZnSO4. 7H2O. The formula of the fermentation culture medium is optimized, the formula of the fermentation culture medium is simple in raw material and low in cost, the organic selenium content of the strain reaches 3852.7 mu g / g through the culture medium and the culture method and is improved by 14% compared with that before optimization, and the biomass reaches 168 g / L and is improved by 5%. The high-density fermentation culture medium and the selenium-rich fermentation method are suitable for production of functional food, feed additives and medical raw materials, and have the advantages of high enrichment efficiency, low cost and high stability.

The invention relates to a preparation method of a corn steep liquor fertilizer, in particular to a preparation method of a corn steep liquor fertilizer based on circulating membrane separation enhanced enzymolysis. In order to solve the problem that the existing method for preparing the fertilizer from the corn steep liquor is extensive, the method comprises the following steps: 1, diluting the corn steep liquor, adding a biological flocculant, adding enzyme, and separating by a circulating membrane to respectively obtain filtrate 1 and concentrated liquor 1; adding enzyme into the filtrate 1, and separating by a circulating membrane to respectively obtain filtrate 2 and concentrated liquid 2; adding charcoal and a compound material into the concentrated liquid 1, uniformly stirring, drying, extruding and granulating to obtain a solid fertilizer; and adding the concentrated liquid 2 into the compound material to obtain the liquid fertilizer. No waste liquid or waste is generated in the whole process, the large-molecular-weight low-solubility slow-degradation solid fertilizer and the small-molecular-weight high-solubility easily-absorbable liquid fertilizer are prepared according to different absorption characteristics, and the method is applied to the field of fertilizer preparation.

A working process for beating the Handmade Soba is classified into water circulation, rolling and cutting. To solve the problem that the most important and hard work is water circulation and buckwheat without water circulation is bad taste. This watering work is a hard work. If this work can be abolished, the effort of the soba making can be reduced, and anyone can easily beat beside.SOLUTION: The need for water circulation can be eliminated by replacing a necessary amount of water required for water circulation with a gelled liquid obtained by pregelatinizing cereal flour, buckwheat flour, starch, flour, refined rice flour, top-grade rice flour, or the like, a colloidal liquid, and a soft drink made from sugars, salts, and high-fructose corn syrup, and mixing the soft drink with buckwheat flour for 20 to 30 seconds. The amount of water required at this time is 50 to 60% by weight with respect to the flour.SELECTED DRAWING: None.

The invention relates to the technical field of feed additives, in particular to water-soluble glycerol monolaurate powder and a preparation method thereof. The water-soluble glycerol monolaurate powder is prepared from an oil phase, an emulsion phase and a wall material phase, wherein the oil phase consists of glycerol monolaurate and carvacrol; the emulsion phase is composed of one or more of protein, Arabic gum or an emulsifier; the wall material phase consists of one or more of maltodextrin, solid corn syrup, maltose, glucose syrup and lactose; the mass ratio of the oil phase to the emulsion phase to the wall material phase is (5-75): (1.75-20): (5-93.25). The water-soluble glycerol monolaurate powder disclosed by the invention has good water dispersibility, can be uniformly and stably dispersed in water, and is convenient for waterline addition.

The utility model discloses a kind of degerming corn slurry liquefaction separation devices, the outlet of corn slurry buffer tank is connected with the main entrance of static mixer by corn slurry discharge pump;The outlet of primary enzyme metering pump is connected with the enzyme entrance of static mixer by primary enzyme flowmeter;The outlet of static mixer is connected with the material inlet of primary ejector, the outlet of primary ejector is connected with the inlet of first maintenance pipe, the outlet of first maintenance pipe is connected with the middle part inlet of first flash tank, the bottom outlet of first flash tank is connected with the lower part inlet of primary liquefaction column by laminar flow feed pump, the upper part outlet of primary liquefaction column is connected with the middle part inlet of second flash tank, the outlet of secondary enzyme metering pump is connected with the enzyme entrance of second flash tank upper part side wall by secondary enzyme flowmeter;The bottom outlet of second flash tank is connected with primary liquefaction discharge pipe by primary liquefaction discharge pump. The device can improve the conversion rate of corn starch and the heat energy utilization rate in liquefaction process, reduce energy consumption and the risk of plugging.

The invention relates to the technical field of baby food, and particularly discloses compound amino acid multi-vitamin multi-mineral soybean protein food and a preparation method thereof. The compound amino acid multi-vitamin multi-mineral soybean protein food is prepared from the following components in parts by weight: a compound amino acid mixture, soybean peptide powder, solid corn syrup, a vitamin mixture, a mineral mixture, docosahexaenoic acid powder and choline bitartrate, the preparation method comprises the following steps: S1, pretreating the raw materials; s2, pre-dispersing mineral substances; s3, vitamin premixing; s4, main mixing; s5, carrying out homogenization treatment; and S6, sieving and packaging: sieving the homogeneous mixture with a 40-mesh sieve, and then sterilizing and packaging in vacuum. The compound amino acid multi-vitamin multi-mineral soybean protein food is used for supplementing special dietary nutrition for infants and children, and has the advantages of being comprehensive in nutrition, high in absorption efficiency and capable of effectively improving the nutritional status of the infants and children and promoting growth and development.

The invention provides the use of a modified saccharide as a water-reducing additive for concrete, wherein the modified saccharide is selected from glucose syrup, high maltose corn syrup, high fructose corn syrup, dextrins, sugar alcohols and combinations thereof. The modified saccharide is used together with one or more supplemental active agent comprising a metabisulphite salt, optionally in combination with a gluconate. The modified saccharide makes up 50 wt % or more of the active agents used as water-reducing additives.

The invention discloses an abamectin fermentation culture medium and a fermentation process, and relates to the technical field of culture media. The abamectin fermentation culture medium is prepared from 15 g / L to 30 g / L of glucose, 81 g / L to 103 g / L of dextrin, 8 g / L to 12 g / L of corn steep liquor, 11 g / L to 15 g / L of soybean cake powder, 0.2 g / L to 0.5 g / L of ammonium sulfate, 0.2 g / L to 0.5 g / L of dipotassium phosphate, 0.05 g / L to 0.2 g / L of monopotassium phosphate, 0.05 g / L to 0.32 g / L of manganese sulfate, 0.3 g / L to 0.5 g / L of cobalt chloride, 0.6 g / L to 1.8 g / L of sodium chloride, 0.05 g / L to 0.25 g / L of a defoaming agent and 2.4 g / L to 5.2 g / L of silanization modified aluminum oxide. According to the technical scheme, glucose and dextrin are adopted as carbon sources, corn steep liquor, soybean cake powder and ammonium sulfate are adopted as nitrogen sources, and silanization modified aluminum oxide is added, so that the element production capacity of thalli is improved, and the titer of abamectin B1a is improved.

The invention discloses a method for reducing the content of an M impurity in fusidic acid fermentation liquor. The generation of the M impurity is inhibited from a fermentation source by optimizing a fermentation culture medium and regulating and controlling pH in stages. A fermentation culture medium adopts a composite organic nitrogen source, contains soybean cake powder with specific grease content, and is matched with a yeast extract and corn steep liquor, so that a key precursor can be provided for fusidic acid synthesis, and the enzyme activity can be regulated; the pH is regulated in the early stage of fermentation to adapt to the proliferation requirement of the strain, M impurity synthesis is preliminarily inhibited, the pH is regulated in the middle and later stages to strengthen the activity of a target product synthetase, and M impurity synthetase expression is remarkably inhibited. The process is simple, subsequent complex purification is not needed, the yield of fusidic acid is increased, M impurities are reduced to 2% or below, and the method is suitable for industrial large-scale production.

It provides a sauce that remains fluid even when frozen. [Solution] The sauce to be added to the food to be frozen contains at least one selected from the group consisting of monosaccharides, sugar alcohols, corn syrup, powdered syrup, maltodextrin, and dextrin, and has a Brix in the range of 64 to 72 and a viscosity at -18°C in the range of 3,500 to 66,000 cP. The viscosity of this sauce at -10°C is preferably in the range of 1,400 to 18,000 cP. The sweetness of this sauce at 20°C is preferably in the range of 28 to 60.

The present application relates to the technical field of microbial fermentation, and particularly relates to a fermentation medium for producing terramycin. The fermentation medium takes corn starch-molasses-wheat hydrolysis sugar composite carbon source, bean cake powder-corn syrup-yeast extract composite nitrogen source and choline chloride-betaine-L-lysine precursor promoter as a core innovative system in a specific proportion, and further adds a morphological regulator, a defoaming agent and inorganic salts. Through the synergistic effect of multiple components, the fermentation titer and yield of terramycin are significantly improved, the fermentation period is shortened, the generation of mixed acids is effectively inhibited, and the mycelial morphology is optimized, so that the fermentation medium is suitable for industrial large-scale production of terramycin.

The invention discloses a composite anaerobic accelerant for treating generic solid waste and an application method. Comprising the following raw materials in parts by weight: 5 to 10 parts of yeast extract powder, 10 to 15 parts of corn steep liquor dry powder, 0.01 to 0.05 part of cobalt salt, 0.02 to 0.08 part of nickel salt, 0.005 to 0.02 part of molybdate, 0.003 to 0.01 part of tungstate, 3 to 8 parts of dipotassium phosphate, 10 to 20 parts of a porous carrier loaded with protease and lipase, 0.5 to 2 parts of a surfactant, 1 to 10 parts of a quinone electron shuttle and 3 to 7 parts of sodium acetate. The invention relates to the technical field of solid waste treatment, according to the invention, the tolerance and metabolic activity of anaerobic flora to common inhibitors such as heavy metals, antibiotics and the like are remarkably improved by starting from enhancing the intrinsic functions of microorganisms and supporting the growth and metabolism of the microorganisms in multiple dimensions; the thought of removing the inhibitor purely depending on a physical and chemical method is broken through.

This invention relates to a method for detoxifying and enhancing the aroma of distiller's grains using probiotic solid-state fermentation in the field of distiller's grains reprocessing technology. The method includes the following steps: S1, taking 100 parts by weight of distiller's grains, removing impurities, spreading and drying, adjusting the moisture content to 52-56%, pH to 3.4-3.8, adding 0.8-1.2 parts corn syrup and 0.4-0.6 parts wheat bran, and then mixing evenly; S2, inoculating the pretreated distiller's grains with a 3-4 vol% compound probiotic agent, the total viable bacteria concentration of the agent being ≥1.0 × 10⁻⁶. 9 CFU / mL; S3, In a sealed environment, the inoculated distiller's grains are compacted to a compaction degree of 62-68%, and anaerobic fermented at 30-32℃ for 45-50 hours; S4, The oxygen concentration of the fermentation environment is adjusted to 0.8-1.2 vol%, and solid-state fermentation is carried out at 28-30℃ for 34-38 hours; S5, The product after fermentation in step S4 is dried under negative pressure at 38-42℃ until the moisture content is ≤12%, and then pulverized to obtain the detoxified and aroma-enhanced distiller's grains product. This method solves the problem of mutual inhibition between the detoxification and aroma-enhancing reactions of distiller's grains in current probiotic fermentation.

This invention belongs to the field of food processing and discloses a blueberry jam suitable for industrial continuous coating of sandwich cookies and its preparation method. By weight, it comprises the following ingredients: 55-65 parts blueberry puree, 25-35 parts white sugar, 5-15 parts high-fructose corn syrup, 0.3-0.8 parts high-ester pectin with an esterification degree ≥65%, and 0.1-0.5 parts citric acid. The jam does not contain modified starch. Its physicochemical properties include: water activity a. w 0.50~0.60, soluble solids 80~90 °Brix. This invention is the first to determine the specific rheological parameter thresholds at a coating temperature of 50 °C. The shear thinning characteristics of the jam are perfectly matched with the production process, making it compatible with existing industrial continuous coating production lines for sandwich cookies, thus solving the problem of the disconnect between existing technical formulas and industrial production. At the same time, the jam has a good taste, strong temperature adaptability, and stable quality during storage.

The application discloses a liquid fermentation medium for Monascus fermentation and a preparation method and a fermentation process thereof, and relates to the technical field of microbial fermentation. The liquid fermentation medium for Monascus fermentation comprises a specific proportion of a carbon source, corn syrup dry powder, peanut protein powder, an inorganic nitrogen source, arginine, ferrous sulfate, inorganic salt and a defoaming agent with a content of not more than 0.05%. The peanut protein powder has a protein content of 55-65 wt% and a fat content of 5-6 wt%. The composition of the liquid fermentation medium is optimized, and the combination of the components can promote the growth of the Monascus strain, improve the production capacity of the strain, and obtain a metabolite with a purple-red appearance and a maximum absorption peak at 505-510 nm.

The present application is suitable for the technical field of grain processing quality control, and provides a method and system for predicting the content of vomitoxin in corn syrup, which comprises the following steps: mixing contaminated corn raw materials with a soaking liquid containing SO2 source and lactic acid, and simulating the countercurrent soaking process of corn wet processing, during which, every time interval, the operation of pouring the syrup and the collection of soaking liquid samples are carried out; determining the content of vomitoxin in the soaking liquid samples to obtain determination data; according to the determination data, a migration model of vomitoxin from corn raw materials to corn syrup in the countercurrent soaking process of corn wet processing is constructed, and the model parameters are obtained by fitting; according to the model parameters, a prediction model of the content of vomitoxin in corn syrup is determined, and the content of vomitoxin in corn syrup in the corn wet processing is predicted according to the prediction model. The method can guide the optimization of corn syrup production process, effectively control vomitoxin in the processing process, and ultimately ensure product quality and safety.

The invention discloses high-embedding-property solid corn syrup as well as a preparation method and application thereof, and belongs to the technical field of starch sugar processing. The invention discloses a preparation method of high-embedding solid corn syrup. The preparation method comprises the steps of starch size mixing, starch liquefaction, saccharification, filtration, decoloration, ion exchange and concentration drying. The solid corn syrup disclosed by the invention is used as a carrier for preparing the grease microcapsule powder, so that the surface oil yield of the grease microcapsule powder is greatly reduced, the surface oil of the prepared grease powder is reduced to 0.3% or below, the embedding effect is improved, and the yield and long-term stability of the grease microcapsule powder product are improved.

The present invention provides a functional protein powder bag with a lightweight, disposable packaging design that meets the immediate nutritional needs of modern people in their fast-paced lives, achieves the dual effects of nutritional supplementation and intestinal health, is convenient to carry and use, and has high application value. [Solution] The packaging bag (10) comprises a packaging bag and contents, and adopts a moisture-proof and leak-proof design. Two arranged tear lines (14) are provided along a vertical direction at at least one corner and are connected to them by a tear line (15), allowing the user to open the bag along the tear line. The contents are granulated and placed in the storage space, and the ingredients of the contents include soy protein, corn-derived soluble dietary fiber, whole milk powder, vanilla flavoring powder, fresh cream powder, silicon dioxide, calcium citrate, magnesium oxide, vitamin C, corn syrup, zinc gluconate, milk flavoring, dried vitamin E 50%, ferrous glycinate, nicotinic acid, sucralose, vitamin D3, vitamin A acetate powder, vitamin B2, vitamin B1, vitamin B6, dried vitamin K1 5% SD, folic acid, biotin, and vitamin B12.

This invention relates to the field of tea cultivation technology, and more particularly to a cultivation method for improving tea quality using corn syrup. It includes the following steps: (1) planting asexual tea seedlings in containers filled with cultivation substrate and cultivating them in a greenhouse; (2) applying nutrient solution every 6-8 days during cultivation; (3) continuing cultivation until the tea seedlings sprout in early spring, and then spraying them with corn syrup solution. This invention, through foliar spraying with 0.5 mL / L corn syrup, significantly promotes tea growth and photosynthetic efficiency, improves tea quality, and under drought stress conditions, CSL0.5 treatment makes the tea leaves greener and more upright, enhancing the drought resistance of the tea trees.

The application discloses a culture medium and a method for fermentative production of arginine, and relates to the technical field of biology. The culture medium comprises the following components: 10g / L of glucose, 15-20g / L of corn syrup dry powder, 20-30g / L of sugarcane molasses, 0.5-1g / L of ornithine, 2g / L of magnesium sulfate, 1g / L of betaine, 6g / L of potassium dihydrogen phosphate, 1g / L of citric acid, 1g / L of sodium glutamate, 0.02g / L of ferrous sulfate, 0.075g / L of manganese sulfate, 0.003g / L of biotin and 0.004g / L of vitamin B2. The application designs a low-cost and high-efficiency culture medium formula, and combines with stage-by-stage fermentation process optimization, so that the yield and production efficiency of arginine are remarkably improved, and the application is especially suitable for industrialized production of arginine.

The invention belongs to the technical field of microorganisms and feed, and particularly relates to a method for preparing fermented yeast hydrolysate from soybean molasses and corn steep liquor, which comprises the following steps: S1, preparing saccharomyces cerevisiae HKB-145007 yeast fermentation bacteria liquid; s2, performing liquid aerobic fermentation on the yeast fermentation bacteria liquid by using soybean molasses to obtain aerobic fermentation bacteria liquid; s3, performing anaerobic fermentation on the aerobic fermentation bacterial liquid by using corn steep liquor to obtain yeast milk; s4, a wall breaking agent is added into the yeast milk, then hydrolysis wall breaking is conducted, drying and smashing are conducted, and a yeast hydrolysate product is obtained, specifically, seed liquid preparation of yeast fermentation liquid in S1 comprises the following steps that S11, a solid wort culture medium is subjected to slant strain activation; and S12, fermenting and propagating on a soybean molasses culture medium to obtain a yeast fermentation bacterial liquid. Corn steep liquor is used for specific anaerobic fermentation, and in the process, saccharomyces cerevisiae HKB-145007 generates rich active substances such as organic acid and biological enzyme through anaerobic fermentation metabolism.

The invention relates to the technical field of microorganisms and application thereof, and discloses candida utilis, application thereof, a protein feed and a preparation method of the protein feed. The preservation number of the candida utilis is CGMCC (China General Microbiological Culture Collection Center) No.39065. The candida utilis has strong tolerance to sulfur dioxide and can efficiently degrade monosaccharide, polysaccharide (such as maltose) and lactic acid in the corn steep liquor, and the protein feed prepared by adopting the candida utilis and taking the corn steep liquor as a fermentation base material is low in sugar content and lactic acid content, small in viscosity and not prone to moisture absorption and caking.

The present invention discloses an aromatic composition comprising: (a) hesperidin dihydrochalcone or a salt thereof; and (b) a high-fructose corn syrup (HFCS) that provides high sweetness but low calorie intake.

The application discloses a corn syrup production method based on temperature control and pH adjustment and belongs to the technical field of corn deep processing. The method comprises the following steps: S1, corn kernels are selected as raw materials; S2, the corn kernels are soaked in a sulfurous acid aqueous solution, the soaking temperature is 45 DEG C-54 DEG C, the pH is 3.9-4.5, and the soaking time is 46-50 hours; and S3, soaking liquid is collected and concentrated at 70 DEG C-85 DEG C to obtain corn syrup with a solid content of 44%-46%. The amino acid nitrogen content in the corn syrup is significantly improved by precisely controlling the soaking temperature, the soaking pH and the concentration temperature, and the amino acid nitrogen content can reach more than 1.54% under the optimal conditions. Meanwhile, the process is stable and has good reproducibility, and the relative standard deviation (RSD) is only 0.65%, so that the problem of insufficient dissolution of amino acid nitrogen and unstable quality in the prior art is effectively solved, and the method is suitable for industrial production.

The application provides corn syrup fermentation and application thereof in preparation of water-soluble nitrogen fertilizer, and belongs to the technical field of water-soluble fertilizer.The preparation method of the Rhizopus kind koji provided by the application comprises the following steps: mixing Rhizopus spore suspension and culture medium, and carrying out fermentation culture at 28 DEG C to 40 DEG C for 48 h to 108 h; the culture medium is composed of dry materials and liquid materials, the dry materials are composed of soybean meal and bran, and the liquid materials are composed of glucose mother liquor, corn syrup and water.The preparation method of the Rhizopus kind koji can improve the neutral protease activity in the Rhizopus kind koji, so as to improve the subsequent fermentation efficiency of corn syrup and improve the functional activity of the fermentation product obtained by corn syrup fermentation.The corn syrup fermentation provided by the application can improve the small peptide content in the corn syrup fermentation product.The corn syrup fermentation provided by the application can replace nitrogen fertilizer to promote the growth and development of soybean.

The invention discloses a high-protein pet gel feed and a preparation method thereof, relates to the technical field of aquatic product and poultry pet feed processing, and solves the problems that an existing gel feed is low in protein utilization rate, poor in stability in water and low in ingestion rate. The preparation method comprises the steps that pure water is heated to 80-90 DEG C, and agar accounting for 0.3%-0.7% of the mass of the pure water is dissolved; adding 12%-18% of modified cottonseed protein, 6%-9% of fish meal, 8%-11% of corn steep liquor powder, 4%-6% of maltodextrin, 2%-4% of vegetable oil, 0.3%-0.7% of composite minerals and 1%-1.5% of composite vitamins based on the mass of pure water to form a mixed material; and stirring for 25-35 minutes, transferring to a mold, and cooling and curing at the temperature of 2-6 DEG C below zero to obtain a gel feed finished product. According to the method, the protein content, the collapse resistance in water and the palatability of the feed are remarkably improved, and the feed is suitable for nutrient enrichment and daily feeding of aquatic products, poultry and other pets.

The present application belongs to the field of microbial fermentation, and particularly relates to a culture medium for producing (-)-alpha-bisabolol and a method for fermenting to produce (-)-alpha-bisabolol. The culture medium for producing (-)-alpha-bisabolol is composed of the following raw materials in parts by weight: glucose 8-15 parts, soybean peptone 25-35 parts, yeast powder 5-15 parts, corn syrup dry powder 15-25 parts, potassium dihydrogen phosphate 1-5 parts, magnesium sulfate heptahydrate 3-8 parts, and defoaming agent 0.01-0.02 parts. Through the culture medium with specific components and the optimized fermentation process, the yield of recombinant Saccharomyces cerevisiae for fermenting to produce (-)-alpha-bisabolol is greatly improved.

This invention belongs to the field of food ingredient technology and discloses a low-sugar, moisture-resistant sugar powder, comprising the following components by weight: 83 parts of low DE-value solid corn syrup and polydextrose, wherein polydextrose accounts for 10% to 30% of the 83 parts by weight, and the remainder is solid corn syrup; 0.04 to 0.06 parts of sucralose; 0.08 to 0.12 parts of sodium citrate; 9 to 11 parts of vegetable oil; 0.3 to 0.5 parts of mono- and diglycerides of fatty acids; 0.3 to 0.5 parts of fumed silica; and 6.0 to 7.0 parts of hydroxypropyl distarch phosphate. The preparation method is also disclosed. The preparation process of this invention is simple, can be continuously produced, and the prepared product has uniform powder, excellent flowability, strong moisture resistance, and is suitable for industrial production.