Unverified80% confidenceFactTime unknown
红枣干制品常用二氧化硫熏蒸护色防霉，颜色过于鲜红发亮、闻有刺鼻酸味的可能硫含量超标，天然红枣应为暗红/深褐色
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified颜色异常鲜红发亮、闻起来有刺鼻酸味的红枣可能经过硫磺熏蒸增色，不建议购买；正常干枣为暗红或紫红色91% similarUnverified警惕熏硫染色红枣：颜色过分鲜红光亮、闻有刺鼻酸味、水泡后掉色明显的多经硫磺熏或色素染，正常自然晒干红枣色泽暗红不均匀91% similarUnverified警惕颜色过于鲜艳红亮、表皮油光发亮的枣，可能经过打蜡或熏硫处理；天然干枣颜色为暗红或深枣红，表皮有自然褶皱，闻起来是枣香而非刺鼻酸味88% similarUnverified选购时注意辨别硫磺熏蒸：正常中宁枸杞颜色暗红偏紫，过于鲜艳均匀的亮红色可能经硫磺或色素处理；可闻是否有刺鼻酸味87% 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% similar
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