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怎么辨别红豆真假
更新时间: 2020-09-22 00:00:00  

1、看豆衣,真红豆剥开豆衣里面是白色,因豆衣很薄,红豆颜色会渗透内皮,把红衣剥开后可以看红衣内侧也会变色,真正的红豆,皮颜色光亮有泽,如果因为交通运输模糊不清,只要用手擦擦就光亮有泽,而假红豆豆不管怎么擦,都没有光泽。

2、真红豆的中间有"小白点",而经过染色的红豆,它的 "小白点"也会被染上颜色。

3、是擦表皮,把红豆沾点水,然后在白纸上擦,真红豆用力在白纸上擦也擦不掉色,而染色红豆的颜色经摩擦会在白纸上留下颜色。

关键词: 怎么 辨别 红豆 真假

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