PROBLEM TO BE SOLVED: To provide a taste improvement method such as improvement of aftertaste feeling of sweetness of a high-sweetness sweetener such as a stevia extract or sucralose.SOLUTION: Gum arabic and/or ghatti gum are added to a high-sweetness sweetener, to thereby attain taste improvement such as improvement of aftertaste feeling of sweetness of a high-sweetness sweetener.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】ステビア抽出物やスクラロースなどの高甘味度甘味料の、甘味の後引き感の改善などの味質改善方法を提供する。【解決手段】高甘味度甘味料にアラビアガム及び/又はガティガムを添加することで、高甘味度甘味料の甘味の後引き感の改善などの味質改善が達成される。【選択図】なし