PROBLEM TO BE SOLVED: To provide a food sterilization device extremely efficiently performing intermittent sterilization, and a food intermittent sterilization method using the same.SOLUTION: Provided is a food sterilization device by intermittent sterilization comprising: a heating tank 1 where a food basket 18 stored with a food bag 20 is immersed below the water face, and the food bag 20 is subjected to heat sterilization with heated water heated from an ordinary temperature to 60 to 100°C； an installation table mounted with the good basket 18 for 20 to 24 hr and germinating spore cells； and a cooling tank 2 where the food basket 18 is immersed below the water face and the food bag is cooled with cooling water, comprising: a horizontal movement member 11 movable among a guide rail 10； a longitudinal movement member 14 movable up and down to the horizontal movement member 11； and a driving means driving the horizontal movement member 11 and the longitudinal movement member 14, in which the food basket 18 held to the longitudinal movement member 14 can be selectively charged/discharged to the heating tank or the cooling tank 2 by the driving means, and further, the food basket 18 can be mounted on the installation table.SELECTED DRAWING: Figure 1【課題】間欠滅菌を極めて効率的に行うことができる食品滅菌装置、及びそれを使用した食品の間欠滅菌方法の提供。【解決手段】食品袋２０を収納した食品籠１８を水面下に浸漬し、常温から６０℃～１００℃まで加熱された加熱水にて食品袋２０を加熱滅菌するための加熱槽１と、食品籠１８を２０時間～２４時間載置し、芽胞細胞を発芽させるための設置台と、食品籠１８を水面下に浸漬し、冷却水で食品袋を冷却するための冷却槽２とが設けられ、案内レール１０に沿って移動し得る横移動部材１１と、横移動部材１１に対して上下に移動可能な縦移動部材１４と、横移動部材１１と縦移動部材１４を駆動する駆動手段とが設けられ、駆動手段により縦移動部材１４に保持された食品籠１８を加熱槽又は冷却槽２に選択的に出し入れし得ると共に、食品籠１８を設置台上に載置し得るようにした間欠滅菌による食品滅菌装置。【選択図】図１
