Unverified85% confidenceCautionTime unknown
颜色越白越好看的菊花越可能被硫磺熏制或漂白，天然干燥的优质菊花色泽偏黄且不均匀，不要以外观白亮作为选购标准
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified颜色异常雪白、大小整齐一致、表面有酸味或刺激性气味的莲子，可能经过双氧水或硫磺漂白，不建议购买；天然莲子应呈微黄或象牙白，颜色略有深浅不一89% similarUnverified花型完整、颜色自然偏暗黄的为佳；颜色过于鲜艳金黄或统一无杂色的需警惕硫磺熏制或染色，天然干桂花颜色会随存放略变深89% 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88% similarUnverified颜色越白越漂亮不代表越好——过度雪白往往是硫熏或漂白，天然烘干品呈自然米白至淡黄色88% similarUnverified菊花颜色异常鲜亮统一、发白或带绿荧光感需警惕硫磺熏制，正常晒制/烘干的菊花偏自然黄褐、花瓣略有卷曲；闻起来有刺鼻酸味的不要买88% similar
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