The ingredients of raw flour are mainly starch, and the ingredients of flour are gluten besides starch. If the gluten in flour is extracted, the rest is starch, which is wheat starch. Almost all the raw powder is the product of precipitation, drying and crushing in water after processing. This is why the scientific name of raw flour is starch.
Crystal powder
The main ingredients of the cake powder are corn flour, water chestnut powder and other starches.
Starchy flour-strictly speaking, it is the general name of various starches, mainly used for thickening and snacks. It is called Tuanfen in the north and Lingfen in Shanghai. It does not refer to any kind of starch. Raw flour is a term that often appears in mainland recipes and Hong Kong recipes, and it is mostly used for thickening.