Unverified82% confidenceTradeoffTime unknown
奶粉规格与开封后保质期权衡：开封后奶粉建议1个月内喝完（受潮易结块变质），单人低频饮用选400g小罐/独立小袋装，勿贪大罐800g+囤货
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified包装规格上，独居或饮用频率低者选250ml小盒装避免开封后变质；巴氏奶开封后即使冷藏也建议24-48小时内喝完，不宜买大瓶装87% similarUnverified包装规格上，开封后的牛奶（含常温奶）都应冷藏并在24-48小时内喝完，饮用慢的单人家庭优先选250ml小盒装避免浪费，饮用快的家庭选1L大包装更划算86% similarUnverified一次性大容量（1L以上）鲜奶开封后需3天内喝完，独居或饮奶少的人应选200-250ml小规格或常温奶，避免变质浪费86% similarUnverified巴氏鲜奶开封后需2-3天内喝完，独居或饮奶量小者买250ml小规格更划算；家庭日饮量大可选950ml-1L装降低单位成本，但避免开封后放置超过3天85% similarUnverified1L大包装UHT奶开封后需冷藏并3-5天内喝完，人少家庭选200-250ml利乐小包分装更防浪费，不必贪1L装的单价优势84% similar
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