methionine
/meˈθaɪəniːn/noun
mass noun
1- Biochemistry a sulphur-containing amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.【生化】甲硫氨酸, 蛋氨酸。
1.1
- Chem. formula: CH3S(CH2)2CH(NH2)COOH.化学分子式： CH3S(CH2)2CH-(NH2)COOH.
词源
1920s: from METHYL + Greek theion 'sulphur'.