Unverified75% confidenceFactTime unknown
冻干粉剂开封后应尽快用完（一般≤1-2月），避免受潮，取用勿用湿勺；含益生元（低聚果糖/菊粉）的配方可辅助活菌定植
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75%
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Long-term
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Unverified剂型选择：冻干粉活菌保存率最高（可达90%+）但价格高；普通粉剂适合拌粮、适口性中等；液体剂型开封后活菌衰减快需冷藏且2-4周内用完，适合短期调理不适合长期常备82% similarUnverified无任何防腐剂的冻干蔬果片保质期通常12个月且开封后需1个月内吃完并密封防潮；保质期标注超过18个月的产品需警惕是否添加了防腐剂或抗氧化剂78% similarUnverified膏方开封后需冷藏保存并在1-2个月内服完，取用应使用干燥洁净汤匙防止霉变；含胶类、蜂蜜的膏方易吸潮生霉，出现异味、发霉、酒味应立即停用78% similarUnverified含蚝油/虾酱的复合蘸料开封后须冷藏且1个月内用完；纯发酵型（腐乳、豆瓣）常温保质期长但开封后仍建议冷藏，看到胀气、异味立即弃用77% similar
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