Unverified88% confidenceTradeoffTime unknown
颜色越白越好看，但过度洁白往往是硫磺熏制或漂白结果；天然干百合略带黄褐边缘属正常氧化，不影响食用
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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90% similarUnverified熏硫当归外观更白净漂亮，但二氧化硫超标损害健康且破坏有效成分；颜色过分洁白均匀反而可疑，天然当归色泽略暗不均89% similarUnverified散装漂白巴旦木（去壳仁颜色异常洁白均一、无自然色差）可能经硫处理，正常原味仁应有轻微色差和自然纹理，过度均匀纯白需警惕88% similarUnverified当归越白越漂亮越可能硫熏或漂白，天然当归切片颜色应为黄白偏微黄、略带油润感，颜色不均、边缘发暗才是正常干燥表现88% 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87% similar
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