PROBLEM TO BE SOLVED: To provide a sterilization processing method for food products which requires no large and expensive equipment, enables processing to obtain food products with high sealing performance and withstanding prolonged storage and processing in a state allowing distribution through marketing channels.SOLUTION: A sterilization processing method for food products includes a step S1 of pretreating a food product, a step S2 of charging the pretreated food product in a container having a barrier effect, a step of containing the container charged with the food product in a sealed space, a vacuum drawing step S3 of evacuating the sealed space, a heated steam spray step S4 of spraying heated steam into the evacuated sealed space to sterilize thermally the food product contained in the container, a food product container transfer step of feeding the container containing the thermally sterilized food product from the sealed space into a clean box and a sealing step S5 of carrying out top sealing of the container containing the food product while keeping the pneumatic condition in the clean box.COPYRIGHT: (C)2014,JPO&INPIT【課題】大掛りで高価な設備を必要とせずに、密封性が高く、かつ長期保存に耐えられる食品を加工することができ、しかも販売経路に流通可能な状態にて加工できる食品の殺菌加工方法を提供する。【解決手段】食品の前処理工程S1と、該前処理した食品をバリアー効果のある容器に収容する工程S2と、この食品を収容した容器を密封空間に収納する工程と、該密封空間内を真空にする真空引き工程S3と、該真空引きに続いて該密封空間内に加熱蒸気を噴射し容器に入れた食品を加熱殺菌する加熱蒸気噴射工程S4と、この加熱蒸気殺菌した食品を収容した容器を密封空間よりクリーンボックス内に送り込む食品容器移送工程と、該クリーンボックス内において含気状態に維持した状態にて前記食品を収容した容器のトップシールを行うシール工程S5と、を含む。【選択図】図2
