PROBLEM TO BE SOLVED: To provide a method capable of producing easily in a short time, a composition containing lactic acid bacteria and/or bifidobacteria, excellent in dispersibility into an aqueous medium, and not changing flavor of a beverage or the like.SOLUTION: A production method of a powder composition containing dead cells of lactic acid bacteria and/or bifidobacteria includes steps for: dispersing finely dead cells of lactic acid bacteria and/or bifidobacteria into spray liquid containing a water-soluble polymeric substance； and spraying the spray liquid in a fluid bed granulator loaded with a powder material.SELECTED DRAWING: None【課題】水性媒体への分散性に優れ、飲料等の風味を変化させない乳酸菌及び／又はビフィズス菌を含有する組成物を簡易に、短時間で製造できる方法を提供すること。【解決手段】水溶性高分子物質を含む噴霧液に乳酸菌及び／又はビフィズス菌の死菌体を微細に分散させる工程と、粉剤を仕込んだ流動層造粒装置内で前記噴霧液を噴霧する工程とを含む乳酸菌及び／又はビフィズス菌の死菌体含有粉末組成物の製造方法である。【選択図】なし
