White crystalline or crystalline powder, slightly smelly, sour, soluble in water, ammonia, acetic acid, slightly soluble in ethanol, acetone, ethyl acetate, benzene, carbon disulfide, carbon tetrachloride. It is stable to acid and easy to be oxidized into cystine by air in neutral or slightly alkaline solution. Trace iron and heavy metal ions can promote oxidation. Its hydrochloride is relatively stable, so it is generally made into hydrochloride.
L-cysteine is a sulfur-containing non-essential amino acid. In vivo, the sulfur atoms of methionine replace the hydroxyl oxygen atoms of serine and are synthesized by bladder thioether. L-cysteine can generate bladder cystic peptide, participate in the cell reduction process and liver phospholipid metabolism, can protect liver cells from damage, and can stimulate hematopoietic function, increase white blood cells, promote the repair of skin damage.
Used for the treatment of radioactive drug poisoning, heavy metal poisoning, toxic hepatitis, serum disease, and can prevent liver necrosis.
Used as cosmetic perm essence, sunscreen, hair perfume, hair essence components; It can be used as food additive to prevent the oxidation and discoloration of vitamin C. Used to promote the formation and fermentation of gluten in bread.
Widely used in cosmetics, medicine, food and other industries
Used in medicine, food, etc
Used in biochemical research as a reducing agent for the determination of hemolysin and as an antidote in medicine.
Pharmaceuticals, food.
Used for the treatment of radioactive drug poisoning, heavy metal poisoning, toxic hepatitis, serum disease, and can prevent liver necrosis. Used as cosmetic perm essence, sunscreen, hair perfume, hair essence components; It can be used as food additive to prevent the oxidation and discoloration of vitamin C. Used to promote the formation and fermentation of gluten in bread.
NMDA glutamate receptor agonist, at high concentrations, is also AMPA glutamate receptor agonist.