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如何鉴别黑米染色

更新时间: 2020-09-16 00:00:00     

1、可以将黑米泡水后观察,如果颜色为墨黑色则为染色米,正常黑米泡的水呈紫红色;

2、天然黑米的黑色集中在表层,内部为白色,对比鲜明。而经过人工染色的黑米,将米粒的外表层刮掉,米粒的白色不纯正;

3、可以看黑米的黑色是否均匀,真正的黑米颜色的深浅是一样的,染色的黑米颜色深浅不一,而且不均匀。

关键词: 如何 鉴别 黑米 染色

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