V2EX fatty acid

Fatty Acid

定义 Definition

名词短语 脂肪酸,一类由碳、氢、氧原子组成的有机酸,是构成脂肪和油脂的基本成分。脂肪酸广泛存在于动植物体内,是人体重要的能量来源和细胞结构组成部分。脂肪酸分为饱和脂肪酸(saturated fatty acid)和不饱和脂肪酸(unsaturated fatty acid)两大类。

发音 Pronunciation

/fti sd/

例句 Examples

Olive oil is rich in healthy fatty acids.
橄榄油富含有益健康的脂肪酸。

Research has shown that omega-3 fatty acids, commonly found in fish and flaxseed, may help reduce inflammation and lower the risk of heart disease.
研究表明,常见于鱼类和亚麻籽中的欧米伽-3脂肪酸可能有助于减轻炎症、降低心脏病的风险。

词源 Etymology

fatty 源自古英语 ftt,意为"肥胖的、含脂肪的",加上形容词后缀 -yacid 源自拉丁语 acidus,意为"酸的、尖锐的",与拉丁动词 acēre(变酸)有关。fatty acid 作为化学术语在19世纪初开始使用,因为这类有机酸最早是从动物脂肪中分离提取出来的,故得名"脂肪酸"。

相关词汇 Related Words

文学与学术作品 Literary & Academic References

  • 《营养学圣经》The Encyclopedia of Nutrition and Good Health) 该书多处详细讨论了各类脂肪酸对人体健康的影响。
  • 《寂静的春天》Silent Spring,Rachel Carson) 书中涉及化学物质在生物脂肪组织中的累积,多次提及脂肪酸相关概念。
  • 《生物化学原理》Lehninger Principles of Biochemistry) 经典生物化学教材,系统阐述了脂肪酸的结构、分类与代谢途径。
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