PROBLEM TO BE SOLVED: To provide a method that can easily predict the time during which food keeps well.SOLUTION: The present invention provides a method for predicting the time until the number of bacteria in food increases to a predetermined number on the basis of the amount of bacteriostatic components added to the food.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】食品の日持ち時間等を容易に予測することができる方法を提供する。【解決手段】本発明に係る方法では、食品の静菌成分の添加量に基づいて、食品中の菌数が所定数に増殖するまでの時間を予測する。【選択図】なし