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n-3多不饱和脂肪酸的心血管保护作用及相关机制 被引量:8

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摘要 多不饱和脂肪酸(polyunsaturated fatty acids,PUFA)是人类的基本营养物质,含有2个或2个以上不饱和键,通常由12~24个碳原子组成,存在α端(羧酸端)和N端(甲基端).从脂肪酸碳链N端算起,第一个双键出现在第3位碳原子的PUFA称为n-3 PIJFA.n-3 PUFlA主要来源于鱼油,少量源于植物油中的α-亚麻酸(ALA),富含二十碳五烯酸(EPA,C20:5n-3)和二十二碳六烯酸(DHA,C22:6n-3).流行病学调查发现爱斯基摩人心血管死亡率较低可能与大量摄入富含n-3 PUFA的海鱼有关[1].
出处 《中华心血管病杂志》 CAS CSCD 北大核心 2011年第5期474-476,共3页 Chinese Journal of Cardiology
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