CAS No. 52-89-1

L - cysteine is sulfur non-essential amino acids. In vivo, by the state-of-art l-methionine of sulfur atoms replacement serine hydroxyl oxygen and approved by bang sulfur ether and synthesis. L - cysteine can generate valley of resurgent participation in cells, gump peptide reduction process and inside liver of phospholipids metabolism, can protect liver cell is not compromised, and can stimulate hematopoiesis functionary, increased WBC, promote skin damage repair. Used for cosmetics marcel of essence, sunscreen, germinal perfume, raise hair essence of components, Can be used as food additives, prevent vitamin C oxidation and discoloration, For bread in promoting the valley protein formation and fermentation, the mold, etc.