In food industry, l-alanine is added in chemistry seasoning, drinks, ... ether. Function: In medicine,High optical purity of L-Alanine is an important chiral source used in ... acid injection and oral liquid. In food industry, l-alanine is added in chemistry seasoning, drinks, organic acid ... , wine and salted food. As one important additive, l-alanine has the fuction of keeping fresh. Specification: AJI97 ...