V2EX aglycone

Aglycone

释义 Definition(中文)

Aglycone(苷元/配糖体非糖部分):在配糖体(glycoside)中,去掉糖基(glycone)后剩下的非糖部分。很多天然产物(如黄酮、皂苷、强心苷)由“糖 + 苷元”组成;糖基常影响溶解度与稳定性,而苷元常与主要生物活性相关。(也常见拼写:aglycon)

发音 Pronunciation (IPA)

/lakon/

例句 Examples

Aglycones are the non-sugar parts of glycosides.
苷元是配糖体中不含糖的部分。

After enzymatic hydrolysis removed the glucose, the aglycone showed stronger activity in the assay.
在酶促水解去除葡萄糖后,该苷元在实验测定中表现出更强的活性。

词源 Etymology(中文)

来自构词元素 **a-**(表示“无、非”)+ glyco-(与“糖/甜”相关,源自希腊语 glykys “甜”)+ -one(英语中常见的名词后缀之一)。整体字面含义可理解为“不含糖的部分”。

相关词 Related Words

文学与经典著作 Literary Works(出现示例)

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):在讲解糖苷、代谢与天然产物时常使用 aglycone
  • Biochemistry(Berg, Tymoczko & Stryer,《斯特赖尔生物化学》):在涉及糖基化/去糖基化与相关分子时会出现该术语。
  • Natural Products: A Biosynthetic Approach(天然产物生物合成相关教材):讨论配糖体结构时常区分 glyconeaglycone
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