V2EX glutamic acid

Glutamic Acid

Definition / 释义

谷氨酸;谷氨酸(氨基酸):一种常见的非必需氨基酸,在人体蛋白质中广泛存在;在神经系统中也很重要,是一种主要的兴奋性神经递质(以“谷氨酸/谷氨酸盐”形式发挥作用)。在食品中,它的盐类(如谷氨酸钠)常用于增强鲜味。

Pronunciation / 发音(IPA)

/lutmk sd/

Examples / 例句

Glutamic acid is found in many foods and proteins.
谷氨酸存在于许多食物和蛋白质中。

In the brain, glutamic acid helps transmit signals between nerve cells, but too much activity can be harmful.
在大脑中,谷氨酸帮助神经细胞之间传递信号,但活性过强也可能造成伤害。

Etymology / 词源

glutamic 来自 gluten(麸质) 与化学后缀 -ic(“……的”):早期研究者最初从与麸质相关的物质中得到这种酸性成分,因此得名;acid 来自拉丁语,表示“酸”。合起来 glutamic acid 即“与麸质相关而得名的一种酸(氨基酸)”。

Related Words / 相关词汇

Literary Works / 文学与著作中的用例

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Biochemistry by Berg, Tymoczko & Stryer(《生物化学》,Stryer 等)
  • Basic Neurochemistry(《基础神经化学》)
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