Agent for prevention of deterioration of milk-containing foods

摘要

Disclosed are a deterioration preventive agent for milk-containing foods containing as its active ingredient a coumarin analog represented by the general formula (1) below, a glycoside of that analog, or a plant extract containing the coumarin analog or its glycoside: (wherein R<1> represents a hydrogen atom, a hydroxyl group or a methoxy group, R<2> represents a hydrogen atom or a hydroxyl group, and R<1> and R<2> are not both hydrogen atoms). The deterioration preventive agent according to the present invention demonstrates superior deterioration preventive effects for milk-containing foods. In addition, the deterioration preventive agent provided by the present invention is friendly to the environment and people.