Unverified88% confidenceDecision RuleTime unknown
鉴别真假黑豆:正品黑豆用水泡后掉色但泡出的水呈红褐色(花青素),假冒染色黑豆泡水呈墨黑色;切开后正品豆仁为青色或黄色,染色豆内部也发黑
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified泡水后黑豆掉色但豆芯呈青绿色(青仁)或乳黄色(黄仁)为天然黑豆;若泡水后豆芯也发黑或掉色浑浊呈墨黑不褪则可能为染色黑豆92% similarUnverified鉴别真正黑豆的方法:泡水后掉色属正常(花青素溶出使水呈红褐/紫黑色),但若水立即变为墨黑色且豆子严重褪色露出灰白豆瓣,则可能为染色劣质豆92% similarUnverified鉴别真黑豆看内仁:真黑豆掐开或泡水后内仁为白色(黄仁)或绿色(青仁),若内仁也是黑色或泡水掉色严重可能是染色黑芸豆或劣质豆90% similarUnverified黑芸豆常被冒充黑豆:黑芸豆个头明显偏大、呈肾形(长椭圆),泡水后水色发黑且有腥味;真黑豆多为圆形或椭圆、个头较小,泡水后呈红褐色,煮后内部青仁或黄仁分明86% similarUnverified真黑豆表皮乌黑但豆脐(种脐)多为白色或浅褐色;若豆脐也呈深黑色需警惕人工染色,可用湿纸巾擦拭或温水浸泡,掉色明显说明染色掺假(常用黑芸豆冒充)85% similar
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