PROBLEM TO BE SOLVED: To provide a method of improving the quality of deliciousness of food and drink.SOLUTION: A method of improving the quality of deliciousness of food and drink is characterized by the coexistence of deliciousness components and D-amino acid or salt thereof in food and drink.COPYRIGHT: (C)2015,JPO&INPIT【課題】飲食品のうま味の味質を改善する方法の提供。【解決手段】うま味成分とD-アミノ酸またはその塩を飲食品中で共存させることを特徴とする、飲食品のうま味の味質改善方法を用いる。【選択図】図1