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生虾变红了是不是坏了
更新时间: 2019-05-12 00:00:00  

是。无论是新鲜的虾或者冷藏的虾,肉质地泛红都是异常的。虾被粗加工后放到室内温度下,色调会产生变化,由淡青、浅灰色、浅橙变为桔红色。虾在常温状态的色调转变,表明新鲜水平在降低,虾仁变成鲜红色后不可以再食用。

虾加温发红能吃吗:虾加温后,尽管也会变成鲜红色,但其掉色基本原理与生虾腐败问题发红实质是不一样的。虾在加温情况下,机壳由淡青色变成红色,是因为虾身体的虾红素受热会从蛋白化合物中分散出去,进而促使虾煮开后展现鲜红色。

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