PROBLEM TO BE SOLVED: To apply a cooking flavor associated with animal oil and fat to a food or beverage without using animal oil and fat.SOLUTION: The flavor improving agent contains a heating reactant of peptide and vegetable oil and fat. The flavor improving agent is an agent for applying the animal oil and fat cooking flavor.COPYRIGHT: (C)2012,JPO&INPIT【課題】動物性油脂を用いることなく、動物性油脂の関与する加熱調理風味を飲食品に付与すること。【解決手段】ペプチドと植物性油脂との加熱反応物を含有する、風味改良剤を用いる。【選択図】なし