V2EX n-acetylcysteine

N-Acetylcysteine

释义 Definition

N-乙酰半胱氨酸(常缩写 NAC):一种药物与营养补充剂成分,主要用途包括化痰(稀释黏液)、以及作为对乙酰氨基酚(扑热息痛)过量中毒的解毒药;也常被提到与抗氧化、促进谷胱甘肽合成相关。(在不同国家/地区既可能以处方药形式使用,也可能以补充剂形式出现。)

发音 Pronunciation (IPA)

/n sitlsstin/

例句 Examples

N-acetylcysteine can help loosen mucus in the lungs.
N-乙酰半胱氨酸可以帮助稀释肺部的黏液。

In the emergency department, N-acetylcysteine is given to treat acetaminophen overdose and protect the liver.
在急诊科,N-乙酰半胱氨酸用于治疗对乙酰氨基酚过量并保护肝脏。

词源 Etymology

该词由三部分构成:N- 表示在分子结构中与氮(nitrogen)相关的位置acetyl-(乙酰基)表示带有乙酰基的化学修饰;cysteine(半胱氨酸)是一种含硫的氨基酸。合起来指“在半胱氨酸上引入乙酰基的化合物”,即 N-乙酰化的半胱氨酸。

相关词 Relted Words

文学与著作中的用例 Literary / Notable Works

  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:药理学基础》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • Martindale: The Complete Drug Reference(《马丁代尔药物大全》)
  • The Merck Manual(《默沙东诊疗手册》)
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