单词 | 苯丙氨酸 |
释义 | 〔phenylketonuria〕A genetic disorder in which the body lacks the enzyme necessary to metabolize phenylalanine to tyrosine. Left untreated, the disorder can cause brain damage and progressive mental retardation as a result of the accumulation of phenylalanine and its breakdown products.苯丙酮尿:一种先天性代谢异常,其机体缺乏将苯丙氨酸代谢成酪氨酸所必需的酶。如果不治疗,这种异常会导致脑损伤和精神抑制,这是苯基丙氨酸沉积和其分解物的产物〔phenylalanine〕An essential amino acid, C6H 5CH 2CH(NH 2)COOH, that occurs as a constituent of many proteins and is normally converted to tyrosine in the human body. It is necessary for growth in infants and for nitrogen equilibrium in adults. 苯丙氨酸:一种基本的氨基酸,C6H 5CH 2CH(NH 2)COOH,是许多蛋白质的组成成分,通常在人体内常转变为酪氨酸。它是婴儿成长和成人的氮平衡所必需的 |
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