Unverified78% confidenceCautionTime unknown
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
1
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78%
Confidence
Long-term
Relevance
-
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Unverified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88% similarUnverified不要买颜色异常雪白、饱满整齐得不自然的去壳核桃仁，可能经过硫磺熏蒸或漂白处理；天然核桃仁颜色深浅不一、表皮有褐色纹路才正常86% 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86% similarUnverified不要购买颜色异常雪白、片片均匀、无一丝黄斑的茯苓，天然茯苓因干燥和部位差异会有色差和边角，过度整齐白净往往经过漂白或硫磺处理86% similarUnverified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86% similar
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