Unverified85% confidenceTradeoffTime unknown

姜粉（尤其现磨）香气挥发快，开封后3个月内风味明显下降，一次不宜囤太多；整块鲜姜保留全部风味且可灵活切用，日常首选整块

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85%

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Long-term

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Unverified挥发持续周期与扩香强度不可兼得：藤条插满、开口大的配置扩香浓郁但1个月内挥发完，想持续3个月需减少藤条数或用窄口瓶，接受较淡香味81% similar Unverified整粒香料（如整颗黑胡椒、八角、孜然粒）比研磨粉状保质期长3-5倍，挥发性精油损失慢，家用建议买整粒现磨，粉状开封后香气3-6个月内快速衰减81% similar

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