Unverified85% confidenceCautionTime unknown
家庭人口少(1-2人)不建议买10kg以上大包装米,大米开封后接触空气易氧化、生虫、返潮,风味和软糯度下降,建议买2.5-5kg小包装或真空/充氮包装分批购买
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85%
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Long-term
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Unverified2-3人小家庭不建议一次买25kg大包装:大米开封后接触空气、易受潮生虫,夏季1个月内口感明显下降,25kg往往吃到后期已陈化,5kg或10kg真空/充氮小包装更划算93% similarUnverified非双人及以下小家庭不建议一次购入5kg以上大包装进口大米,进口米无本土米周转快,开封后易受潮生虫且香气流失,1-2kg独立密封小包更实用89% similarUnverified小家庭(1-2人)或南方潮湿地区不建议囤25kg大包装,大米开封后夏季1个月内易生虫霉变,应选5kg真空包装分批购买87% similarUnverified食米量小的家庭不建议买20kg大容量米桶,一桶米吃1-2个月易导致底部米受潮生虫、口感陈化87% similarUnverified口感与耐储矛盾:新米(当季)香糯但易生虫、保质期短;真空/充氮包装能保鲜但拆封后一样加速氧化,2-3人家庭选5kg小包装比25kg更划算86% similar
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