1. Concept: Raw corn starch is a starch that can be used for thickening and sizing, while corn starch refers to starch made from corn as raw material, also called corn flour, corn flour, and corn starch. Starch, soybean flour;

2. Purpose: The main function of raw cornstarch is to increase the tenderness and consistency of food. In addition to this function, cornstarch can also play a role in making pastries. The role of gel;

3. How to use: Raw corn starch can generally be mixed with water, while corn starch needs to be added to flour when making pastries. Cornstarch is starch extracted from corn kernels. Starches, including cornstarch, are used as thickeners in cooking to help make ingredients soft and smooth and to thicken soups. In the pastry making process, when preparing pastry batter, sometimes it is necessary to mix a certain amount of cornstarch into the flour because cornstarch has a gelling effect.