PROBLEM TO BE SOLVED: To provide, in a field of sterilization using MCPBA aqueous solution, a sterilizing solution production method and a MCPBA solution production apparatus that can produce a sterilizing solution with further enhancement in sterilization performance while suppressing the decrease in sterilization performance of MCPBA alone.SOLUTION: The sterilizing solution production method for producing sterilizing solution to sterile objects includes: a step of forming MCPBA solution (MCPBA solution forming step S110) by dissolving m-chloroperbenzoic acid into solvent and a step of producing sterilizing solution (sterilizing solution producing step S120) by dissolving MCPBA solution and ozone into water before a predetermined time duration counted from the formation of MCPBA solution has elapsed.COPYRIGHT: (C)2015,JPO&INPIT【課題】MCPBA水溶液を用いた殺菌において、MCPBA単体の殺菌性能の低下を抑制しつつ、殺菌性能をさらに向上した殺菌溶液を製造する。【解決手段】対象物を殺菌する殺菌溶液を製造する殺菌溶液製造方法であって、m-クロロ過安息香酸を溶媒に溶解しMCPBA溶液を生成する工程(MCPBA溶液生成工程S110)と、MCPBA溶液を生成してから予め定められた時間が経過するまでに、MCPBA溶液およびオゾンを水に溶解させて殺菌溶液を製造する工程(殺菌溶液製造工程S120)と、を含む。【選択図】図2
