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如何判断冻奶是否变质
更新时间: 2021-11-23 11:37:27  

判断冻奶是否变质的方法:

1、看外观

冻奶解冻后,如果奶水最上面漂着一层东西,像一层硬块一样,即变质的迹象,则不能再喝。若是上层奶水乳白色,下层奶水半透明,这是脂肪分层的正常现象,可以继续饮用。

2、看味道

将冻奶解冻后,虽然味道和气味会有些许不同,但依旧微甜,闻着有淡淡的奶香。如果伴有一股腐败酸臭味道,则说明冻奶遭受细菌侵袭发生变质,不能继续饮用。

关键词: 如何 判断 是否 变质

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