Unverified85% confidenceDecision RuleTime unknown
预包装豆腐买回后若不当天用，开封前浸没在清水中冷藏并每天换水可存3天；开封后闻到明显酸味、表面发黏拉丝即已变质，不可食用
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85%
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Long-term
Relevance
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Unverified买回的散装豆腐当天吃不完，应换清水浸泡（水没过豆腐）冷藏，每天换水可延长至2-3天；直接裸放冷藏当天就会表面发黏90% similarUnverified买回的鲜豆腐若当天不吃，用凉开水浸没并放冰箱冷藏、每天换水可延长2-3天；不要用生自来水浸泡（含氯和杂菌易变质发黏）87% similarUnverified冷藏盒装豆腐开封后需换水浸泡（清水没过豆腐）并冷藏，每天换水可保存2-3天；未开封盒装看保质期，冷藏鲜豆腐一般仅3-7天，超过应警惕防腐剂或已变质86% similarUnverified买回未用完的豆腐应换清水浸泡冷藏、每天换水可延长2-3天；也可切块焯水后冷冻做成「冻豆腐」，孔隙增多更吸味，适合火锅炖菜85% similarUnverified散装豆腐买回后当天食用最佳，冷藏最多存放2天；盒装内酯豆腐未开封可冷藏7-15天，一旦开封须24小时内吃完，表面发黏或有酸味即变质84% similar
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