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为什么虾煮后会变红
更新时间: 2020-09-23 00:00:00  

1、虾蟹外骨骼的色素区内含有一种橙红色的原虾红素,当它与在高温中被破坏的蛋白质结合时,颜色变为原来的橙红色。

2、虾红素稳定性好,在高温中不会被分解,并显现出艳红色。

3、外壳中的虾青素稳定性差,在高温中结构被破坏,外壳中的青色便消失。

关键词: 为什么

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