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为什么鸡蛋洗干净了反而容易变坏

更新时间: 2020-09-19 00:00:00     

鸡蛋表面布满肉眼看不见的细微小孔,小孔被一层胶一样但物质封住,一般的细菌不能进入,蛋内的水分也不宜蒸发,起了保护鸡蛋的作用;如用水洗,蛋壳上的胶皮被破坏而溶解在水中,蛋壳上的小孔全部暴露,细菌便可从小孔乘虚而入,在鸡蛋内营生,破坏鸡蛋内的组织,使新鲜的鸡蛋很快变成坏鸡蛋。

关键词: 为什么 鸡蛋 干净 反而 容易

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