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为什么咸蛋会出黄油
更新时间: 2020-09-19 00:00:00  

主要因为每种蛋的脂肪含量不一样,盐分进入蛋内,蛋白质因盐的作用咸蛋流的油,是蛋黄中本来就有的脂肪。蛋中的蛋白质和脂肪,在正常情况下,脂肪从蛋白质中流出聚集在一起,因而咸蛋切开时可以看到明显的油。鸭蛋的蛋黄中油脂的含量可高达百分之30,所以腌好的咸鸭蛋蛋黄都会流油。有的咸蛋蛋黄发硬,起了缓慢的变性凝固作用。蛋一旦经过腌制,能混合成均匀的乳状液,所以看不到油。

关键词: 为什么 黄油

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