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怎样可以不让切开的莲藕变黑
更新时间: 2020-09-21 00:00:00  

防止切开莲藕变黑的方法如下:

1、准备一盆清水,加入一些食用盐,莲藕切好后浸泡在盐水中。

2、准备一盆清水,倒入一些食用醋,制成稀醋水,然后将莲藕放入浸泡5分钟左右,然后捞起擦干即可。

莲藕变黑的原因为:莲藕含有黄酮素与多酚氧化酶这两种物质,与空气接触会被氧化成黑色。

关键词: 怎样 可以 切开 莲藕

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