释义 |
phenyl·alanine \| ̷ ̷ ̷ ̷+\ noun Etymology: International Scientific Vocabulary phenyl + alanine : a crystalline alpha-amino acid C6H5CH2CH(NH2)COOH that is obtained in its levorotatory l form by the hydrolysis of proteins (as lactalbumin), that is essential in the nutrition of man and lower animals, and that is converted in the normal body to tyrosine; α-amino-beta-phenyl-propionic acid — compare phenylketonuria, phenylpyruvic acid |