Unverified85% confidenceDecision RuleTime unknown
毛豆（青大豆）应选豆荚饱满、绒毛完整、色泽鲜绿的；荚壳发黄或有黑斑说明采摘过熟或存放过久，豆粒淀粉化、口感变粉且鲜甜味流失
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified毛豆荚颜色鲜绿饱满、豆粒隆起明显（一荚2-3粒）为优，荚身发黄或斑点多说明不新鲜或采摘过老84% similarUnverified选购时看豆粒是否均匀鲜绿有光泽、无虫眼霉斑，抓一把闻无哈喇味或霉味；小包装密封优于散装，散装绿豆容易受潮生虫81% similarUnverified毛豆豆荚颜色翠绿、绒毛完整密集为新鲜标志；豆荚发黄、绒毛脱落或荚口发黑说明采摘后放置过久，鲜度和甜度已下降81% similarUnverified颗粒饱满均匀、表皮有自然光泽、无虫蛀无破瓣的黑豆更新鲜；表皮起皱、干瘪、有霉味或哈喇味的为陈豆或存储不当，营养流失且可能含黄曲霉毒素80% similarUnverified豆粒挑选看'脐色'：黄豆脐（种脐）呈黄白色或浅褐色为国产东北豆特征，脐色发黑或深褐多为进口豆或存放过久，脐色浅且粒径均匀（8mm左右）的蛋白质含量通常更高80% similar
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