煮鸡蛋凉水“激”不如放点盐--杨远锋的博客

煮鸡蛋凉水“激”不如放点盐

[ 2011-5-14 16:07:00 | By: 杨远锋 ]

生活中大家似乎都有这样的习惯，刚煮好的鸡蛋马上用凉水“激”一下，这样鸡蛋很好剥皮又不会烫手，其实这样的做法是不科学的。因为滚烫的鸡蛋浸入冷水中，由于热胀冷缩，蛋壳膜和蛋清膜都会不同程度地收缩，这样会形成一定的缝隙，细菌会通过破坏的蛋壳膜缝隙进入蛋内，造成污染。
科学方法：在煮鸡蛋的时候往水里放少量盐，这样既可以杀菌，又可以使蛋壳很好剥离。

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原创

[ 2016-9-6 16:30:13 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:03:57 | By: 原创(游客) ]

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原创

[ 2016-9-30 10:38:55 | By: 原创(游客) ]

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