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黑木耳放在水里为什么会变大
更新时间: 2020-09-26 00:00:00  

木耳本是脱水的,就是细胞里的水份都被蒸发掉了,这样是为了使木耳保存得更长久。没有水分,细胞就会收缩。当木耳遇水之后,细胞吸水膨胀,恢复原来的形态,所以就变大变软了。

关键词: 黑木耳 放在 为什么

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