This invention has the bacteriostatic effect which is superior, at the same time does not give adverse effect to flavor of the food, especially, designates that day holding improvement method of the food which contains the day holding improver for the food, and the day holding improver for the aforementioned food which are ideal in the flesh delicatessen, and the food which utilizes the day holding improver for the aforementioned food is offered as purpose. Namely, this invention, regards the day holding improvement method of the food, and the food which utilize the day holding improver for the food and the day holding improver for the aforementioned food which feature amino acid and toreharosu and that 1 kinds or more of dextrin are contained.本発明は、優れた静菌効果を有し、かつ食品の風味に悪影響を与えず、特に、食肉惣菜に好適である食品用日持向上剤、並びに、前記食品用日持向上剤を含有する食品、及び前記食品用日持向上剤を利用した食品の日持向上方法を提供することを目的とする。即ち、本発明は、アミノ酸と、トレハロース及びデキストリンの1種以上とを含有することを特徴とする食品用日持向上剤、前記食品用日持向上剤を利用した食品、及び食品の日持向上方法に関する。
