Hello, generally do not add starch, if you want to add wheat starch. Processing convenient rice noodle products such as cold rice noodles, rice noodles, rice noodles, stuffed rice noodles, rice noodles and so on. Meet the use standard of food additives GB2760-20 1 1 and supplementary regulations: alum, natural putty, etc. It is not allowed to use beyond the scope, and it is not allowed to use non-edible substances such as borax or industrial raw materials! Otherwise, it is a serious crime in violation of the food safety law! At present, the only legal additive with QS certificate is the source of strength, which can not only make cold noodles, rice noodles and other tendons slippery, but also prevent hardness, cracking and breaking. Under good sanitary conditions and storage conditions, cold rice noodles, rice noodles, etc. It can be kept fresh for 2-5 days, not stiff or fluffy, and the taste is as good as before.