lysine

An essential amino acid, C₆H₁₄N₂O₂, obtained by the hydrolysis of proteins and required by the body for optimum growth.

A colorless compound, CH₂ (NH₂) CH₂CH₂CH₂CH (NH₂)COOH, formed by the action of dilute acids or of trypsin on albuminous substances of both vegetable and animal origin. It crystallizes in slender needles and forms salts with both acids and bases. Also called α-ϵ-diaminocapric acid.

An essential amino acid C6H14N2O2.

an essential amino acid found in proteins; occurs especially in gelatin and casein