ISO high quality; L-Alanine DL-Alanine D-alanine B-alanine Fast deliver; Free sample can test ... Function]In medicine,High optical purity of L-Alanine is an important chiral source used in synthesis ... injection and oral liquid.In food industry, l-alanine is added in chemistry seasoning, drinks, organic acid ... salted food. As one important additive, l-alanine has the fuction of keeping fresh.[Package]25kg ...