| abstract |
A flavor improving agent capable of improving the flavor of polyunsaturated fatty acid-containing fats and oils for a long period of time, a composition containing the flavor improving agent, a food or drink containing the flavor improving agent or composition, a pharmaceutical composition, or To provide a cosmetic and a method for improving the flavor of polyunsaturated fatty acid-containing fats and oils. A flavor improving agent for fats and oils containing polyunsaturated fatty acids, comprising a basic peptide, preferably one or more selected from the group consisting of polylysine, polyarginine, polyhistidine, histone, and protamine, and A polyunsaturated fatty acid-containing oil / fat composition comprising a fat / oil containing a polyunsaturated fatty acid and the basic peptide. [Selection figure] None |