Unverified82% confidenceCautionTime unknown
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
1
Sources
82%
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91% similarUnverified优质茯苓断面应为纯白至类白色，颜色发黄或有灰褐色斑点说明存放过久或受潮霉变，颜色异常洁白发亮则需警惕硫磺熏制89% similarUnverified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88% similarUnverified颜色异常洁白、切片均匀无斑点的百合片大概率经过硫磺熏蒸，正常无硫百合应呈微黄或淡黄褐色、边缘略有褐斑，泡水后无刺鼻酸味87% similarUnverified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86% similar
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