PROBLEM TO BE SOLVED: To provide a method for improving taste of a sweetener with high sweetness, enabling effective suppression of unfavorable aftertaste or taste of a sweetener with high sweetness through addition of a small amount of the sweetener.SOLUTION: The method for improving taste of a sweetener with high sweetness comprises combining a sweetener with high sweetness with enzyme-treated isoquercitrin and/or apple polyphenol.COPYRIGHT: (C)2014,JPO&INPIT【課題】高甘味度甘味料の不快な後味や、呈味を少ない添加量で効果的に抑制する呈味改善方法を提供する。【解決手段】高甘味度甘味料と酵素処理イソクエルシトリン及び/又はリンゴポリフェノールとを組み合わせる。【選択図】 なし