V2EX beta-hydroxybutyrate

Beta-hydroxybutyrate

Definition / 释义

β-羟丁酸(盐):一种主要的酮体,在禁食、低碳饮食或糖尿病酮症等情况下,人体会由脂肪分解产生它,用作替代能量来源(尤其在脑和肌肉中)。常写作 BHB。※在生物化学分类上,它常与“酮体”一起讨论(尽管严格来说它是羟基酸)。

Pronunciation / 发音

/bet hadrksibjutret/

Examples / 例句

Blood beta-hydroxybutyrate increased after a day of fasting.
禁食一天后,血液中的β-羟丁酸升高了。

In ketogenic diets, beta-hydroxybutyrate can serve as an alternative fuel for the brain when glucose is limited.
在生酮饮食中,当葡萄糖供应受限时,β-羟丁酸可作为大脑的替代燃料。

Etymology / 词源

该词由三部分构成:beta-(β位)指分子结构上的位置标记;hydroxy-(羟基)表示含有OH官能团;butyrate(丁酸盐/丁酸的衍生物)源自表示“黄油”的词根(与丁酸最早从黄油中分离有关)。合起来即“带有β位羟基的丁酸(盐)”。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学原理》)
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)
  • The Art and Science of Low Carbohydrate Living(《低碳生活的科学与艺术》)
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