Suggested is a composition with stabilized taste and / or odor, comprising (a) at least one acetophenone derivative of formula (I) wherein R1 stands for hydrogen or methyl, and R2 stands for hydrogen, hydroxyl or a -OCH3 group, or a cosmetically pharmaceutically acceptable salt thereof, and (b) at least one mono- or polyunsaturated C8-C22 fatty acid or its monohydric polyhydric C1-C18 alkyl alcohols ester.