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怎样判断鸡蛋的新鲜程度
更新时间: 2020-07-06 00:00:00  

1、观察蛋壳的表面有无一粒粒的突出物,突出物越多就越新鲜,反之,如果外表越光滑就越不新鲜。

2、将蛋浸在冷水中,如果蛋完全沉在水底,就说明鸡蛋新鲜。倾斜在水中,这颗蛋已经搁置3到5天。直立在水中,这颗蛋已有10天之久。浮在水面上,这颗蛋已经变质。

3、将需要鉴别的鸡蛋放入手中,用力放在耳边上下摇晃,如果听见声音,则为陈旧的鸡蛋。如果没有发出任何声音,则为比较新鲜的鸡蛋。

关键词: 怎样 判断 鸡蛋 新鲜 程度

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