Unverified85% confidenceDecision RuleTime unknown
叶菜类（生菜、菠菜）预切包保鲜期最短，选购时看袋内是否有明显水汽凝结和黏液，出现黏滑感说明已开始腐败；根茎类（胡萝卜、土豆丝）切后易褐变但耐存，褐变不一定代表变质
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85%
Confidence
Long-term
Relevance
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