Unverified90% confidenceDecision RuleTime unknown
真黑米刮开表皮后米粒内部（胚乳）呈白色或半透明，若内部也发黑则可能是染色米；用手搓少量干米不掉色，浸泡后水呈紫红色而非墨黑色才是天然花青素
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified真黑米刮开表皮后种仁呈白色或黄白色，若种仁也是黑色则可能是染色米；用手搓湿米粒若快速掉大量黑色素（水呈深墨黑色而非淡紫红色）为染色造假94% similarUnverified黑米、紫米真伪可通过冷水浸泡辨别：天然花青素溶出后水呈紫红色且颜色均匀，若掉色为墨黑色浑浊或搓洗后米粒露白心，可能为染色米89% similarUnverified选购时注意区分'黑米'与'血糯米'：血糯米泡水后水色深紫红且米心为白色，若米心全黑则可能是普通黑米冒充85% similarUnverified黑米认准'黑米'非'紫米'：真黑米表皮富含花青素，浸泡水呈紫红色、多次淘洗仍轻微掉色属正常；若泡水立即墨黑或用醋测试不变红，可能是染色劣质米85% similarUnverified黑米真伪辨别：真黑米刮开表皮后胚乳呈白色，泡水后水呈紫红色（花青素），若泡水黑色浓稠且掉色即冷水就发黑，多为染色米85% similar
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