Unverified90% confidenceCautionTime unknown
警惕颜色过白、过亮的玉竹片，正常九蒸九晒或自然干燥的玉竹为黄白至浅棕色，惨白发亮多为硫磺熏制，购买时可闻是否有刺鼻酸味，认准'无硫'标识
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified天然腐竹呈淡黄或乳黄色且有光泽，颜色过白（惨白）多为硫磺熏蒸或漂白，颜色深黄发暗则可能陈货或添加色素86% similarUnverified传统日晒或低温烘干的玉竹保留天然油润感、闻之有淡淡甜香；硫熏玉竹颜色异常洁白、闻有刺鼻酸味，虽卖相好但可能含二氧化硫超标，选购时优先选'无硫'标注产品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85% similarUnverified硫磺熏制的百合颜色异常洁白发亮、有刺鼻酸味，泡水后水色偏黄；天然干百合呈乳白或淡黄色、微有百合清香，选购时优先闻味道再看色泽84% similarUnverified干百合选无硫处理款：颜色呈自然米黄或淡褐、闻起来无刺鼻酸味为佳；过分洁白发亮、有酸味的多为硫磺熏制，浸泡水易发黄84% similar
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