Unverified82% confidenceDecision RuleTime unknown
优质铁皮枫斗卷曲紧实呈螺旋状2-4圈（俗称'龙头凤尾'），色泽铁绿或黄绿；颜色过于翠绿鲜艳的可能是硫熏或染色，需警惕
1
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82%
Confidence
Long-term
Relevance
-
First Seen
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Unverified枫斗选购看螺旋圈数与紧实度：优质铁皮枫斗为紧密弹簧状2-5圈、色泽黄绿或金黄；圈数少、松散、颜色发黑或过白（可能硫熏）的品质较差85% similarUnverified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76% similarUnverified颜色异常雪白的银耳、白得发亮的百合、鲜黄的黄花菜（干金针）不要买，多为二氧化硫熏制；正规黄花菜干应为黄褐至棕色，鲜艳金黄的反而是硫超标信号76% similarUnverified颜色异常翠绿、鲜亮的干海带/海白菜可能经过染色或硫处理，天然干海带应为深褐绿至墨绿色、泡发后呈墨绿或黄绿，泡发水明显染绿的应警惕人工色素76% similarUnverified泡发过久或颜色异常翠绿的海带不要买——正常干海带泡发后为黄绿至墨绿，若鲜艳翠绿可能经硫酸铜/碱着色处理；泡发水呈明显绿色需警惕74% similar
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