PROBLEM TO BE SOLVED: To provide a new immunopotentiator and an immunotherapeutic agent.SOLUTION: An immunopotentiator is formed by combining (A) saponin with (B) one or more kinds selected from pyrrolidones represented by formula (1) and sulfoxides represented by formula (2). In the formulas, R1 represents a hydrogen atom or a 1-12C alkyl group. R2 and R3 each represent a 1-12C alkyl group.COPYRIGHT: (C)2014,JPO&INPIT【課題】新たな免疫賦形剤及び免疫療法剤の提供。【解決手段】(A)サポニンと、(B)式(1)で表されるピロリドン類及び、式(2)で表されるスルホキシド類から選ばれる1種以上とを組み合わせてなる免疫賦活剤。(式中、R1は、水素原子または炭素数1~12のアルキル基を示す。)(式中、R2及びR3は、それぞれ炭素数1~12のアルキル基を示す。)【選択図】なし
