Retaining agent for crusts and method for improving crusts

摘要

PROBLEM TO BE SOLVED: To provide: a rice cake skin shelf life improver that suppresses the hardening of a rice cake skin and that exerts excellent shelf life improvement effect; a rice cake skin with improved shelf life; and a method for improving the shelf life of a rice cake skin.SOLUTION: There are provided: a rice cake skin shelf life improver comprising lactic acid, sodium lactate, reduced starch syrup containing 17 to 33 wt.% of a sugar alcohol having a polymerization degree of 3 and 13 to 29 wt.% of a sugar alcohol having a polymerization degree of 4 or more, and 1 kind or more organic acid selected from the group consisting of succinic acid, adipic acid, and phytic acid; also a rice cake skin containing the rice cake skin shelf life improver; and a method for improving the shelf life of a rice cake skin characterized by adding the rice cake skin shelf life improver to rice cake skins.SELECTED DRAWING: Figure 1