天气预报 > 其他 > 鸡蛋煮熟为什么会变硬
鸡蛋煮熟为什么会变硬
更新时间: 2020-08-17 00:00:00  

因为鸡蛋的本质是蛋白质,蛋白质在高温下会变性,蛋白质分子的结构在热的作用下改变的结构,导致蛋清的性状发生了改变。酶的化学本质是蛋白质,酶在低温下活性被抑制,在高温下失去活性,也就是经历过高温的酶的活性是永久性的改变,不会再变回去。

关键词: 鸡蛋 为什么

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