PROBLEM TO BE SOLVED: To provide a salt-tolerant lactic acid bacterium having high food suitability, easy to produce, and having immunopotentiative action.SOLUTION: The present invention provides a salt-tolerant lactic acid bacterium having immunopotentiative action, the salt-tolerant lactic acid bacterium having the abilities to allow B cells to survive and activate them.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】食品適性が高く、製造し易く、免疫賦活作用を有する耐塩性乳酸菌を提供する。【解決手段】B細胞の生存能及び活性化能を有する、免疫賦活作用を有する耐塩性乳酸菌。【選択図】なし