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脂肪在哪里开始被消化
更新时间: 2021-03-10 05:16:33  

1、脂肪开始消化的部位是小肠,其最终被分解为甘油和脂肪酸。

2、小肠内的胰液和肠液中含有消化糖类、脂肪和蛋白质的酶。同时,肝脏分泌的胆汁也进入小肠,胆汁虽然不含消化酶,但胆汁对脂肪有乳化作用,使脂肪变成微小颗粒,增加了脂肪与消化酶的接触面积,有利于脂肪的消化。

关键词: 脂肪 哪里 开始 消化

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