Unverified85% confidenceDecision RuleTime unknown
普通冰箱冷藏（4℃）鲜蛋可存放约4-5周，常温（25℃）仅约1-2周；大批量囤货建议按每周消耗量的1.5倍购买，避免单次买30枚导致后期不新鲜
1
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85%
Confidence
Long-term
Relevance
-
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Unverified冷藏（0-4℃）液态蛋黄液开封后保质期通常仅24-48小时，冷冻蛋黄液需加10%糖或盐防止解冻后胶凝结块，家庭少量使用优先选小规格独立包装85% similarUnverified普通家庭一次采购不建议超过2周食用量：鸡蛋即使冷藏，存放越久内部水分和风味流失越明显，散装无冷链的鸡蛋常温放置1周相当于冷藏3周的品质衰减85% similarUnverified普通家庭常温存放鸡蛋不宜超过2周，冷藏（4℃）可保存30-45天；存放时应大头朝上竖放，避免蛋黄贴壳滋生细菌，且不要清洗表面以保留保护膜85% similarUnverified购买时优先选产蛋日期在7天内的，鸡蛋在冷藏（0-5℃）下可保鲜35-40天，室温仅7-10天；判断新鲜度可看气室，气室越小越新鲜85% similarUnverified选购鸡蛋优先看生产日期而非保质期，常温保存的鸡蛋建议购买7天内的，冷藏可延长至30-45天。散装无日期的鸡蛋不建议囤积超过5天83% similar
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