V2EX carbohydrate

Carbohydrate

定义 Definition

carbohydrate 指“碳水化合物”,是一类主要由碳、氢、氧组成的有机化合物,是人体和许多生物的重要能量来源,常见于谷物、米面、土豆、水果等食物中。(也可简称 **carb(s)**;在生物化学中还可泛指糖类及其聚合物。)

发音 Pronunciation (IPA)

/krbohadret/

例句 Examples

I try to eat fewer carbohydrates at dinner.
我尽量在晚餐少吃碳水化合物。

After the marathon, she replenished her glycogen stores with a meal rich in carbohydrates and protein.
马拉松结束后,她用一顿富含碳水化合物和蛋白质的餐食来补充糖原储备。

词源 Etymology

来自 **carbo-**(“碳”,源于拉丁语 carbo,意为“煤、炭”)+ hydrate(“水合物/含水的”,与希腊语 hydōr “水”有关)。早期化学理解中,这类物质可被看作“碳 + 水”的组合(因为经验式常近似为 \( C_x(H_2O)_y \)),因此得名。

相关词 Related Words

文学作品 Literary Works

  • Michael Pollan In Defense of Food(讨论现代饮食结构与“碳水化合物”等营养概念)
  • Gary Taubes Good Calories, Bad Calories(涉及碳水化合物与体重、代谢的争论与论证)
  • Atkins Dr. Atkins' New Diet Revolution(以限制碳水化合物为核心的饮食著作)
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