V2EX keto acid

Keto Acid

释义 Definition

酮酸:含有酮基(C=O)并同时含有酸性基团(常见为羧基 -COOH)的有机化合物。在生物化学中常指α-酮酸(如丙酮酸 pyruvate、α-酮戊二酸 α-ketoglutarate),是氨基酸代谢与能量代谢中的重要中间体。(也常见写法:ketoacid / keto-acid

发音 Pronunciation (IPA)

/kito sd/

例句 Examples

Keto acids are key intermediates in cellular metabolism.
酮酸是细胞代谢中的关键中间体。

During transamination, an amino acid can be converted into its corresponding keto acid while transferring its amino group to another molecule.
在转氨作用中,氨基酸可以转变为相应的酮酸,同时把氨基转移到另一种分子上。

词源 Etymology

keto 来自德语 Keton(“酮”),进一步与“acetone(丙酮)”等化学命名传统相关;acid 源自拉丁语 acidus(“酸的”)。合在一起,keto acid 直译为“带酮基的酸”,用于描述同时具有酮基与酸性官能团的化合物类别,尤其常见于生物化学语境。

相关词 Related Wors

文献与著作 Literary / Notable Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在氨基酸分解、转氨与α-酮酸中间体章节中常出现相关术语。
  • Biochemistry (Stryer)(《斯特赖尔生物化学》):在转氨作用与三羧酸循环相关内容中涉及酮酸(如丙酮酸、α-酮戊二酸)。
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》):在氮代谢与氨基酸代谢图示与讲解中常见“keto acid/α-keto acid”等用法。
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