L-Cysteine*CAS 52-90-4*South Arrow

Cysteine* *Nanjian
English name
Chinese name Cysteine
Chinese synonyms cysteine mercaptoalanine cysteine cysteine cysteine half Cystine base hemibladder amino acid mercaptoaminopropionic acid hydrochloride sulfhydryl aminopropionic acid mercaptoalanine
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Chemical properties
Colorless to white fine columnar crystals or white crystalline powder with a slight special smell and taste (slightly sour). It is reducing, antioxidant and prevents non-enzymatic browning. Melting point ℃ (decomposition). Soluble in water, the aqueous solution is acidic. It is also soluble in ethanol, ammonia and acetic acid, and insoluble in ether, acetone, benzene, carbon disulfide and chloroform.
One of the amino acids, but a non-essential amino acid.
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Uses Its series of products are widely used in medicine, food and cosmetics industries
Used in biochemical research, and used in medicine for hepatitis, liver disease Antidote for poisoning, radioactive drug poisoning, antimony poisoning, etc. Treat eczema, urticaria, freckles and other skin diseases
Used in bread ingredients to promote gluten formation, fermentation, mold release, and prevent aging. Used in natural juices to prevent vitamin oxidation and prevent the juice from turning brown. This product has detoxification effect and can be used for acrylonitrile poisoning and aromatic acid poisoning.
This product also has the function of preventing radiation damage to the human body. It is also a drug for treating bronchitis, especially as a phlegm-reducing drug (mostly used in the form of acetylcysteine methyl ester).
In terms of cosmetics, it is mainly used in beauty lotions, hair perm liquids, sun protection creams, etc.