V2EX cellobiose

Cellobiose

释义 Definition

纤维二糖:一种由两个葡萄糖分子通过 β(1→4) 糖苷键连接形成的二糖,常见于纤维素被部分水解时产生,是研究纤维素降解与酶反应的重要中间产物。(另有更专业的化学语境用法,这里为最常见义。)

发音 Pronunciation (IPA)

/sloba.os/

例句 Examples

Cellobiose is made of two glucose units.
纤维二糖由两个葡萄糖单元组成。

During cellulose digestion, enzymes break the polymer into cellobiose, which is then further converted into glucose for metabolism.
在纤维素消化过程中,酶会把聚合物分解成纤维二糖,随后再进一步转化为葡萄糖以供代谢。

词源 Etymology

cellobiose 由 **cellulo-**(与 cellulose “纤维素”相关)+ -biose(用于表示“二糖”的构词成分,常见于糖类命名)组合而成,字面意思可理解为“来自纤维素的二糖”。

相关词 Related Words

文学与著作 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Campbell Biology(《坎贝尔生物学》)
  • Biochemistry (Berg, Tymoczko & Stryer)(《生物化学》Stryer 等教材)
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