Cysteine is white crystal or crystalline powder, soluble in water, slightly odorous, insoluble in ethanol, and insoluble in organic solvents such as ether. Melting point 240℃, monoclinic crystal system. Cysteine is one of the sulfur-containing amino acids and is a non-essential amino acid. In the body, the sulfur atom of methionine is replaced with the hydroxyl oxygen atom of serine, and is synthesized through cystathionine. Glutathione can be generated from cysteine. Cysteine is stable to acid, but is easily oxidized to cystine in neutral and alkaline solutions.
Cysteine is white crystal or crystalline powder, soluble in water, slightly odorous, insoluble in ethanol, and insoluble in organic solvents such as ether. Melting point 240℃, monoclinic crystal system. Cysteine is one of the sulfur-containing amino acids and is a non-essential amino acid. In the body, the sulfur atom of methionine is replaced with the hydroxyl oxygen atom of serine, and is synthesized through cystathionine. Glutathione can be generated from cysteine. Cysteine is stable to acid, but is easily oxidized to cystine in neutral and alkaline solutions.
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