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奶粉和鲜奶哪个更有营养
更新时间: 2020-09-24 00:00:00  

从营养成分和人体吸收方面比较,鲜奶比普通奶粉更有营养;

因为奶粉是鲜奶经过浓缩、喷雾干燥后制成的,虽然其蛋白质、无机盐、脂肪等主要营养成分损失不大,但鲜奶加工成奶粉后,氨基酸的利用率有不同程度的降低,维生素B、维生素C和尼克酸遭到破坏,尤其是维生素C破坏严重,例如100克鲜奶通常含维生素C1毫克,而奶粉中的含量极少,此外,鲜奶中原来微小的脂肪颗粒,在加工后变大或与蛋白质的消化率降低,故容易导致消化不良、腹泻等。

关键词: 奶粉 鲜奶 哪个 营养

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