V2EX phenylalanine

Phenylalanine

释义 Definition

苯丙氨酸:一种必需氨基酸(人体不能自行合成,需从食物中获取),是蛋白质的组成单位之一;在体内可参与合成酪氨酸等物质。(也常与营养、代谢及某些遗传代谢疾病相关。)

发音 Pronunciation (IPA)

/finllnin/

例句 Examples

Phenylalanine is an essential amino acid.
苯丙氨酸是一种必需氨基酸。

Because people with PKU cannot metabolize phenylalanine properly, they must restrict certain foods.
由于患有苯丙酮尿症(PKU)的人无法正常代谢苯丙氨酸,他们必须限制某些食物的摄入。

词源 Etymology

该词由化学构词而来:phenyl- 指“苯基/苯环(phenyl group)”,alanine 指“丙氨酸”。合在一起表示“带苯基侧链的丙氨酸”,即一种芳香族氨基酸。

相关词 Related Words

文学作品 Literary Works

  • 《The Double Helix》(James D. Watson):书中涉及分子生物学与遗传学语境,常出现氨基酸等生化术语(包括苯丙氨酸在内的相关概念常被提及)。
  • 《Lehninger Principles of Biochemistry》(Nelson & Cox):经典生物化学教材,系统讲解氨基酸与代谢途径,包含 phenylalanine 的大量实例与讨论。
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