PROBLEM TO BE SOLVED: To provide a flavor improving agent and a flavor improving method, capable of improving unfavorable flavors (aftertaste of sweetness, bitterness, astringency, acidity, grassy smell, harsh taste, and other peculiar odor) and enhancing the umami of a broth.SOLUTION: A flavor improving agent for foods and beverages includes dispersed hesperetin, containing hesperetin powder and an emulsifier, being in a form of an aqueous dispersion of hesperetin or powder from which the aqueous dispersion can be prepared.COPYRIGHT: (C)2016,JPO&INPIT【課題】好まれない風味(甘味の後引き、苦味、渋み、酸味、青臭み、えぐ味、その他の特異臭)の改善と、だしの旨味の強化を行うことができる風味改善剤及び風味改善方法を提供する。【解決手段】ヘスペレチン粉末及び乳化剤を含み、ヘスペレチンの水分散液もしくは水分散液を調製可能な粉末形態である、飲食品の分散ヘスペレチンからなる風味改善剤。【選択図】なし