Unverified85% confidenceDecision RuleTime unknown
购买前抓一把捏碎观察，优质珍珠岩粉末少、颗粒完整呈白色或灰白色；粉末多、发黄发灰说明破碎率高或含泥沙杂质
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified干芡实优选颗粒直径6mm以上、颜色米白略带淡黄、断面粉白无空心的整颗货；发黑、发暗黄或有霉斑异味的说明陈化或受潮，破碎率高于20%的多为次级筛出品74% similarUnverified选购时可观察枫斗外观：正品铁皮枫斗色泽偏暗金黄、质地紧实、嚼之有黏性（多糖含量高），胶质越多品质越好70% similarUnverified优质柏子仁应颗粒饱满、无空瘪，去除种皮后仁色淡黄，破碎少、无虫蛀霉斑；市面部分低价品掺入碎仁、瘪粒或陈货，饱满整仁率是判断品质的直观指标69% similarUnverified药材以碎料或粉末为主的产品泡出颜色深但可能含梗渣多、有效成分未必更高；选购时优先看是否标注叶片比例而非单纯看汤色深浅69% similarUnverified选购散装原味去壳仁时，观察表面：新鲜品颜色均匀呈浅棕、表皮完整不脱落、断面乳白；发黄发暗、表皮大面积脱落或有白色霉斑的为陈货或受潮，不建议购买68% similar
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