V2EX trans fat

Trans Fat

定义 Definition

trans fat(反式脂肪):一种不饱和脂肪,其脂肪酸分子含有“反式(trans)”构型的双键。常见于部分氢化植物油加工过程中,也可少量天然存在于反刍动物乳制品和肉类中。通常被认为对心血管健康不利。(该词也常作 trans fats 复数使用。)

发音 Pronunciation (IPA)

/trnz ft/

例句 Examples

I try to avoid trans fat when I buy snacks.
我买零食时尽量避开反式脂肪。

Many studies link trans fat intake to higher LDL cholesterol and increased heart disease risk.
许多研究将反式脂肪的摄入与更高的低密度脂蛋白胆固醇(LDL)以及更高的心脏病风险联系起来。

词源 Etymology

trans 来自拉丁语,意为“穿过、跨越”,在化学中用来表示分子结构中基团位于双键两侧的“反式”排列;fat 来自古英语 ftt,指“脂肪、油脂”。合在一起,trans fat 指“具有反式构型的脂肪”。

相关词 Related Words

文学作品 Literary Works

  • Omnivore’s Dilemma (Michael Pollan)
  • In Defense of Food (Michael Pollan)
  • Fast Food Nation (Eric Schlosser)
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