Unverified90% confidenceDecision RuleTime unknown
优质桂圆干果肉呈半透明琥珀色或深黄色，若果肉发白、颜色异常鲜亮且有刺鼻酸味，多为硫熏处理，选购时应闻气味、看颜色，天然桂圆有自然焦香味
1
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90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified优质桂圆肉呈半透明琥珀色或深棕，颜色过于金黄鲜亮需警惕硫磺熏制；可闻是否有刺鼻酸味判断二氧化硫残留83% similarUnverified买核桃仁看仁色和油脂哈喇味：果仁应呈淡黄至浅琥珀色，若发深褐、发黑或有苦涩/油漆味说明已氧化酸败（不饱和脂肪酸变质），漂白过白的仁反而可疑82% similarUnverified警惕硫熏桂圆：正常桂圆肉呈自然黄褐色至深棕色，硫熏处理的颜色异常鲜亮偏浅黄、有刺鼻酸味；抓一把闻若有明显酸涩化学味应放弃82% similarUnverified浅色果干（如白葡萄干、去核杏干、银耳、干百合）颜色异常鲜亮均匀，往往经过二氧化硫/焦亚硫酸盐熏硫护色；天然日晒的杏干、葡萄干应偏暗褐色，选购时优先看颜色发暗、允许深浅不均的产品82% 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81% similar
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