Unverified85% confidenceDecision RuleTime unknown
食用/药用韭菜籽优先选整粒黑亮饱满的，表面有光泽、颗粒均匀无空瘪；用手捻碎断面呈黄白色为佳，若断面发黑或有霉味说明陈化或受潮变质
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified优质干红枣手捏应有轻微弹性而非死硬或过软，表皮褶皱自然而非人为烘烤的深黑焦裂；果皮发暗、褶皱多可能是陈枣或返潮枣80% similarUnverified挑选鲜姜按压姜身应硬实无空软，表皮无霉斑、无发芽、无泛绿；切口截面应色泽鲜亮不发暗，手感发软或截面有黑心的已变质79% similarUnverified挑选原枣看表皮：自然晒干的枣表皮有褶皱但不干瘪、色泽暗红不发亮；表皮过分油亮鲜红可能经过油枣（喷油）或糖水处理，掰开后枣肉黏手拉丝异常的要警惕加糖79% similarUnverified谨防掺杂：正品黑奇亚籽颗粒有黑白灰花纹且大小均匀，若掺入芝麻（表面光滑无花纹）或苋菜籽/小颗粒杂种子（颜色单一、更小）可摊在白纸上放大观察78% similarUnverified选购整粒黑芝麻时，用指甲掐开或咬碎看断面，内芯呈灰白色/微黄的为天然，断面纯黑说明可能是染色芝麻（如用胡麻籽染色冒充）78% similar
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