益生菌在储存期间可能会进入休眠状态。
Probiotic bacteria may become dormant during storage.
作者信息
Lahtinen Sampo J, Gueimonde Miguel, Ouwehand Arthur C, Reinikainen Johanna P, Salminen Seppo J
机构信息
Functional Foods Forum/University of Turku, Itäinen pitkäkatu 4, 20014 Turku, Finland.
出版信息
Appl Environ Microbiol. 2005 Mar;71(3):1662-3. doi: 10.1128/AEM.71.3.1662-1663.2005.
Abstract
The determination of bacterial viability in probiotic products is of economic, technological, and clinical significance. We compared four methods to enumerate three Bifidobacterium strains in fermented oat products during storage. A subpopulation of nonculturable cells retained a functional cell membrane typical of viable cells, indicating that probiotic bacteria become dormant during storage.
摘要
确定益生菌产品中细菌的活力具有经济、技术和临床意义。我们比较了四种方法，以对发酵燕麦产品在储存期间的三种双歧杆菌菌株进行计数。不可培养细胞的一个亚群保留了活细胞典型的功能性细胞膜，这表明益生菌在储存期间会进入休眠状态。
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