1, the difference lies in: raw flour material is generally potato flour, cornstarch. The material of starch is generally sweet potato flour, kudzu flour, tapioca flour and so on.

2, raw flour and starch use:

(1) raw flour and starch is used for stir-fry vegetables for thickening, sizing, etc., there are a variety of things, such as sweet potato starch, Sichuan cuisine in the use of water bean flour, as well as corn starch, etc. Raw flour is starch, can be a variety of things.

(2) generally refers to the corn starch thickening of the academic concept is: by means of starch in the case of heat pasteurization, has the characteristics of water absorption, adhesion and smooth and clean.

(3) in the dishes close to maturity, will be adjusted to the powder juice dripping into the pot, so that the marinade thick thick, increase the adhesion of the marinade on the raw materials, so as to make the dish soup powder and concentration increase, improve the color and flavor of the dishes.