Unverified85% confidenceDecision RuleTime unknown
真黑豆掰开或用指甲刮豆皮,豆仁应为青色或黄色而非黑色;豆脐(种脐)呈白色。若豆仁也发黑,基本可判定为染色黑豆或黑芸豆冒充
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified鉴别真黑豆看豆脐(种脐)颜色应为白色或黄白色,若种脐为黑色需警惕黑芸豆(黑肾豆)冒充;真黑豆用手搓外皮,泡水后掉色应为红褐色/紫红色(花青素),若掉色为墨黑色则可能是染色豆93% 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87% 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)86% similarUnverified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86% similarUnverified选购整粒黑芝麻时,用指甲掐开或咬碎看断面,内芯呈灰白色/微黄的为天然,断面纯黑说明可能是染色芝麻(如用胡麻籽染色冒充)81% similar
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