天气预报 > 其他 > 黑豆煮了以后会掉色么
黑豆煮了以后会掉色么
更新时间: 2020-08-16 00:00:00  

黑豆皮含有天然色素,外衣上主要是黑色素成分比较多,用水长时间浸泡或者水煮之后,这些色素会融到水中,就会出现掉色现象。

三种鉴别黑豆好坏的办法:

优质黑豆饱满;豆内发青说明还未熟透;如果人为染色,剥开豆皮,里面会有浸染痕迹。

关键词: 黑豆 以后 掉色

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