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脂类化合物包括哪几类
更新时间: 2020-09-21 00:00:00  

脂类是一类能溶于有机溶剂而不溶于水的具有疏水基团的化合物,包括中性脂肪和类脂两大类:

中性脂肪也称脂肪,由甘油分子和三个脂肪酸以酯键相连而成的甘油三酯。脂肪是人体重要的产热营养素,也是体内主要的储能物质。类脂是一类在某些理化性质上与脂肪类似的物质,包括磷脂、胆固醇、脂蛋白等,它们是构成生物膜的重要成分。

关键词: 化合物 包括

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