Unverified80% confidenceCautionTime unknown
不建议购买颜色异常艳丽、闻起来香气刺鼻发甜且久不散的桂花茶，可能经硫磺熏或加香精，硫磺熏制品泡后可能有酸涩味
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified不要购买颜色过于洁白鲜亮、无自然姜味的干姜片，可能经硫磺熏蒸或漂白处理；正常干姜应有明显辛辣气味且颜色偏黄白至灰黄87% similarUnverified颜色过白、过于鲜亮、闻起来有刺鼻酸味的黄芪片可能经硫磺熏蒸，不建议购买；正常黄芪为淡黄色略带土色、气味为自然豆腥香87% similarUnverified警惕硫磺熏蒸的人参：正常参有天然参香，硫熏参颜色异常发白发亮、有刺鼻酸味，长期食用有害；优质红参应呈半透明角质样、断面无空心85% similarUnverified优质当归断面呈黄白或淡黄棕色、油润，闻之有浓郁甜香带辛香；断面发黑、无香或有酸味/硫磺刺鼻味的为陈货或熏硫货，不宜购买83% similarUnverified颜色过于雪白、颗粒均匀无自然色差的干芡实需警惕硫磺熏制或漂白处理，取一颗闻有刺鼻酸味即为硫熏；天然干芡实允许有轻微色差和淡淡豆香83% similar
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