V2EX carotene

Carotene

定义 Definition

胡萝卜素:一类存在于植物中的橙黄色天然色素(类胡萝卜素的一部分),常见于胡萝卜、南瓜、菠菜等。部分胡萝卜素(尤其是β-胡萝卜素)在人体内可转化为维生素A,与视力、免疫和皮肤健康相关。(该词在化学与营养学语境中最常见;也有更广义的“类胡萝卜素相关色素”讨论。)

发音 Pronunciation

/kr..tin/ (美式常见)
/kr..tin/ 或 /kr..tn/(英式中也常见后者)

例句 Examples

Carrots are rich in carotene.
胡萝卜富含胡萝卜素。

Because carotene is fat-soluble, eating vegetables with a little oil can help your body absorb it more effectively.
由于胡萝卜素是脂溶性的,把蔬菜搭配少量油脂食用能帮助身体更有效地吸收。

词源 Etymology

carotene 来自 **carot-**(源于拉丁语 carota “胡萝卜”)加上化学命名常见后缀 -ene(常用于表示不饱和烃或相关化合物)。该名称在19世纪的化学研究中,用于指从胡萝卜等植物中分离出的橙黄色色素成分。

相关词 Related Words

文学与著作 Literary Works

  • On Food and Cooking: The Science and Lore of the Kitchen Harold McGee(讨论食物色素与β-胡萝卜素等营养/化学成分)
  • The Oxford Companion to Food Alan Davidson(在食材与营养相关条目中涉及胡萝卜素/类胡萝卜素)
  • Principles of Biochemistry Albert L. Lehninger 等(在脂溶性维生素与色素代谢相关章节中提及胡萝卜素)
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