DETERIORATION PREVENTING AGENT FOR MILK-CONTAINING FOOD

摘要

PROBLEM TO BE SOLVED: To provide a fading and discoloration preventing agent exhibiting excellent deterioration preventing effects on milk-containing foods and gentle to the environment and humans. SOLUTION: This deterioration preventing agent for the milk-containing foods comprises a coumarin analog represented by general formula (1) (wherein, R<1> is hydrogen atom, hydroxy group or methoxy group; and R<2> is hydrogen atom or hydroxy group, with the proviso that both R<1> and R<2> are not simultaneously hydrogen atoms), a glycoside of the analog or a plant extract containing the coumarin analog or the glycoside of the analog as an active ingredient.