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[Chemical Knowledge]：How does soluble starch dissolve?

Read： 1901 Time：21months ago Source：Transform the World with Simplicity

Soluble starch is a new type of food additive, widely used in food, beer, beverage, pharmaceutical, cosmetics and other fields. The advantage of soluble starch is that it is easy to dissolve, clean and tasteless, and has good stability. So, what is the dissolution process of soluble starch?

First of all, we need to understand the structural characteristics of soluble starch. Soluble starch is produced by the action of α-amylase on starch molecules, and its particle size is between 10 and 50 μm. It has a shorter molecular chain and fewer monosaccharide groups, so it is not easy to form a gel. The difference with other starches is that soluble starch does not increase with heating water molecules, but undergoes swelling, dispersion, molecular disintegration, hydration and other processes, and finally forms a paste-like material.

Secondly, we need to understand the solubilization conditions of soluble starch. The dissolution of soluble starch needs to be carried out under certain conditions, including temperature, water quality, pH value, etc. In general, the optimal dissolution temperature of soluble starch is 60 ℃ ~ 90 ℃, because its molecular chain is relatively short, so it is easy to dissolve. At the same time, water quality is also very important, pure water can reduce the difficulty of soluble starch dissolution. In addition, different types of soluble starch have different solubility in different pH ranges, so they need to be adjusted according to actual needs.

Then, we need to understand the solubilization method of soluble starch. The dissolution process of soluble starch is relatively simple, and generally needs to be carried out according to the following steps:

the first step: prepare the required amount of soluble starch and water.

the second step: Put the water in the pot and heat it to the appropriate temperature. The third step of

: Pour the soluble starch into water and stir it quickly until it is completely dissolved. The fourth step of the

: continue to heat and stir with a stirrer for about 15 minutes to ensure that the soluble starch completely absorbs water. The fifth step of

: turn off the heater, stop stirring, and wait for the soluble starch to cool into a paste.

Finally, we need to understand the application of soluble starch. The application range of soluble starch is very wide, especially in food, beverage, pharmaceutical and other fields. For example, soluble starch can increase the viscosity of food, retain moisture, improve texture. At the same time, it can also reduce blood lipids, lower blood sugar, promote intestinal health, etc., has a good health care effect.

To sum up, soluble starch is a very good food additive, which can greatly improve the taste and quality of our food. When using, it is necessary to pay attention to the structural characteristics, dissolution conditions and dissolution methods of soluble starch to ensure the best effect.