V2EX glutamate

Glutamate

释义 Definition

glutamate(谷氨酸盐/谷氨酸根):指谷氨酸(glutamic acid)失去一个氢离子后形成的阴离子及其盐类。在生物体内,glutamate 也是最常见的兴奋性神经递质之一,参与神经信号传递、学习与记忆等过程。(在食品语境中也常与“味精”相关,但严格说味精是 monosodium glutamate。)

发音 Pronunciation

/lutmet/

例句 Examples

Glutamate is found in many foods.
谷氨酸盐存在于许多食物中。

Excessive glutamate activity can overstimulate neurons and may contribute to neurological damage under certain conditions.
在某些情况下,谷氨酸的过度活性会过度刺激神经元,并可能导致神经系统损伤。

词源 Etymology

glutamate 来自 **glutamic (acid)**(谷氨酸)+ -ate(常用于表示“盐/酯/阴离子”)。其中 glutamicgluten(面筋)同源,早期与从含蛋白质物质中分离相关;在现代科学语境中主要指谷氨酸及其衍生形式。

相关词 Related Words

文学与著作 Literary Works

  • Principles of Neural Science(《神经科学原理》,Kandel 等):讨论谷氨酸作为兴奋性递质及其受体机制。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在氨基酸代谢与氮代谢章节中涉及 glutamate。
  • Molecular Biology of the Cell(《细胞的分子生物学》):在细胞信号与神经相关内容中提到谷氨酸与受体通路。
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