Unverified88% confidenceCautionTime unknown
外壳异常洁白发亮、纹路缝隙里也没有杂色的多为漂白处理（用双氧水/工业碱浸泡），天然核桃壳应呈黄褐色带自然斑点。漂白核桃闻起来有淡淡刺激性化学味，砸开后壳内壁常发黑
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88%
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Long-term
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Unverified带壳核桃避免选'漂白核桃'：外壳异常洁白发亮、有刺鼻味的多为双氧水漂白处理，天然核桃壳色泽偏黄褐且纹路自然89% similarUnverified带壳核桃如壳面有黑斑霉点、或经水洗漂白后壳色异常发白发亮，说明品质有问题或加工掩盖，正常晒干核桃壳色应为自然黄褐带纹理89% similarUnverified不要买壳面反常光亮洁白的带壳核桃，可能用双氧水/漂白剂增白处理；自然晾晒的核桃壳呈自然黄褐色、略有斑点，闻起来无刺鼻化学味88% similarUnverified警惕漂白核桃：正常核桃壳呈自然黄褐色且有色差，若整批壳面异常雪白均匀、闻有刺激性气味，可能经硫磺或双氧水漂白，不建议购买88% similarUnverified去壳核桃仁若颜色异常洁白发亮、无自然褐色内膜，可能经过硫磺熏蒸或双氧水漂白，正常核桃仁应为浅黄至浅褐色带天然纹理，不建议购买过白仁86% similar
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