Unverified90% confidenceCautionTime unknown
不要购买颜色异常鲜黄发亮或闻起来有刺鼻酸味/化学味的腐竹，可能含二氧化硫超标或使用工业原料
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
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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88% similarUnverified不要购买颜色过分乌黑发亮、有刺鼻酸味或硫磺味的韭菜籽，可能经染色或硫熏处理以掩盖陈化88% similarUnverified不要买硫磺熏制的天麻：熏硫天麻颜色过分黄白鲜亮、有刺鼻酸味，切开断面异常洁白；正宗天麻断面呈黄白至棕黄、略透明角质样，闻有天麻特有的马尿味/焦香味86% 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85% similarUnverified购买硫磺熏制风险高的品类（如山药、当归、党参、百合）不建议图色白漂亮，熏硫者色泽异常鲜亮、有刺鼻酸味，天然干货色泽偏暗黄84% similar
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