Starch can be divided into raw flour and wheat starch, etc. Raw flour used in daily cooking is made from potato tubers or corn. It is made by steaming, drying, grinding and other processes. Raw flour is mainly used to thicken food or hang paste, while wheat starch can also be used in some industries as a gelatinizing agent, stabilizer and so on.

The biggest use of cornstarch is to thicken the gravy, paste and marinade, in the daily cooking of fish, sweet and sour pork and other delicious dishes, you can use the cornstarch with water to melt, add the pot to increase the consistency of the soup, so that the soup can be better adhesion in the food. Some meats need to be marinated with raw flour, which can prevent the moisture in the meat from flowing out, thus making the meat taste very old.