Modified starch solution
Modified starch refers to starch derivatives that are produced by changing the properties of natural starch through physical, chemical, or enzymatic processes. These modifications are designed to tailor the starch properties to better meet the diverse requirements of various industries, such as food processing, pharmaceuticals, and textiles.
Modified starches can be categorized based on their origin as follows: corn modified starch, potato modified starch, tapioca modified starch, rice modified starch, wheat modified starch.
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Modified Starch Production Process(Enzymatic Method)
Starch
01
Preparation of Starch Paste
Preparation of Starch Paste
Raw starch powder is added to a large tank, and an appropriate amount of water is added for stirring until a moist state is achieved. To avoid the introduction of impurities, the starch paste needs to be filtered.
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02
Cooking and Enzymatic Hydrolysis
Cooking and Enzymatic Hydrolysis
The starch paste is conveyed to a cooking pot for cooking, and then an appropriate amount of modifying agents and enzymes are added for the reaction. In this step, it is necessary to control the temperature, reaction time, and enzyme dosage to achieve the best reaction effect.
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03
Mixing
Mixing
After the reaction is complete, the starch paste is transferred to a mixing agitator to ensure that the modified starch is evenly dispersed throughout the mixture.
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04
Washing and Decontamination
Washing and Decontamination
The starch paste from the mixing agitator is then sent to a washing machine to remove impurities. This step is primarily to clean out any impurities, unreacted modifying agents, and enzymes, ensuring the purity of the subsequent stages.
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05
Drying
Drying
The starch paste, after being washed and decontaminated, is dried using a spray dryer to produce the final modified starch product. During the drying process, it is important to control the temperature and humidity to ensure even drying and that the moisture content of the modified starch meets the required specifications.
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Modified Starch
Modified Starch Production Process and Applications
Production Process:
1. Dry method
Phosphate starch, acid-hydrolyzed starch, cationic starch, carboxymethyl starch
2. Wet method, organic solvent method
Carboxyl starch is generally prepared using ethanol as a solvent
3. Extrusion method, drum drying method
Pregelatinized starch is produced using natural starch or modified starch as raw materials
Modified Starch Applications:
Pre-gelatinized starch applications:
In the food industry, it dissolves in cold water and is widely used in various convenience foods and pastries.
In animal husbandry, it is mainly used as a feed binder, with about 20-25% used in eel feed.
It can also be used as a binder in tablets, casting, and as a sizing agent in textiles.
Dextrin applications:
Primarily used as an adhesive, with stability ranking as yellow dextrin ≥ glue ≥ white dextrin.
Acid-modified starch applications:
Mainly used as a sizing agent in textiles, adhesive in papermaking, and in the production of soft candies.
Oxidized starch applications:
Used as a sizing agent in papermaking, a sizing agent in textiles, and as a food additive.
Cross-linked starch applications:
Used as a thickener in food (suitable for canned and frozen foods), as an anti-adherent in medical applications (lubricant for surgical gloves), for electrolyte concentration in batteries, and to produce complex modified starches by reacting with other chemicals.
Hydroxyalkyl starch applications:
Mainly used in textiles, papermaking, or as dextran in the pharmaceutical industry.
Cationic starch applications:
A good emulsifier and flocculant, used in textiles, papermaking, oil drilling, and industrial wastewater treatment.
Carboxymethyl starch (CMS) applications:
Used as a thickener, suspending agent, stabilizer, and binder in the food industry, as a binder and disintegrant in pharmaceuticals, and in cosmetics, textiles, and papermaking.
Esterified starch applications:
Acetylated starch can be used in textiles, papermaking, and starch film production. Xanthate esterified starch can remove heavy metals and pesticides embedded in acidic wastewater. Phosphate esterified starch can be used as a thickener, stabilizer, and emulsifier in the food industry, and also in textiles and papermaking.
Graft copolymer starch applications:
Mainly used as an absorbent, such as in facial tissues, diapers, and toilet paper, as well as in agriculture, forestry, and horticulture.
Food indsutry
Pharmaceuticals
Paper industry
Textile industry
Oil drilling
Feed industry
Modified Satrch Projects
Modified Starch Project, China
Modified Starch Project, China
Location: China
Capacity:
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Frequently Asked Questions
Wet Milling Process of Corn Starch
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These days, cornstarch is made by a process called wet milling.
Routine Use of Purifier
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In the complete flour mill plant, the flour purifier is an indispensable part. After carefully debugging and operation adjustment, the working condition of the purifier should be patrolled frequently during the production process, which is also very important for the stability of the flour quality and the service life of the flour purifier.
Corn Gluten Meal Usage
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Corn Gluten Meal is a protein-rich product which extract from maize, with the process of steeping, separating, drying separation and condensing the gluten liquid, drying it.
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