Unverified88% confidenceCautionTime unknown
沙参颜色过白（雪白发亮）反而是危险信号，很可能经硫磺或漂白处理；追求'卖相好看'的白净沙参往往品质有隐患，宁选自然黄白色的
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified硫磺熏制的沙参颜色异常洁白、发亮，闻之有刺鼻酸味或硫磺味，口尝有酸涩感；天然沙参色泽为自然黄白或淡黄、微有中药香气、味甘微苦。开袋后取几根放鼻前深闻，酸刺味明显即为硫熏品81% similarUnverified避免购买颜色过白、断面发亮、有明显刺鼻酸味的黄芪，这类多为硫磺熏制，长期食用有害；优质黄芪断面呈淡黄白色、气味清香微豆腥79% 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79% similarUnverified颜色过分洁白、断面雪白刺鼻的黄芪不要买，很可能经硫磺熏蒸（防虫防霉、增白卖相），硫熏黄芪闻之有酸味、泡水发酸涩，长期食用有害77% 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77% similar
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