天气预报 > 其他 > 牛奶加热后呈豆腐脑状能喝吗
牛奶加热后呈豆腐脑状能喝吗
更新时间: 2020-09-11 00:00:00  

牛奶加热后呈豆腐脑状,说明该牛奶有可能已经腐败变质,应尽快扔掉。

鉴别新鲜牛奶的方法如下:

感官鉴别。新鲜牛奶呈乳白色或稍带微黄色,有新鲜牛乳固有的香味,无异味,呈均匀的流体,无沉淀,无凝结,无杂质,无异物,无粘稠现象。

煮沸试验法。取约10ml乳样于透明玻璃杯中,置沸水中5分钟观察,如有凝结或絮状物产生,则表示牛奶不新鲜或已变质。

关键词: 牛奶 加热 豆腐脑

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