PROBLEM TO BE SOLVED: To provide a method for increasing carbonic acid stimulation of carbonated drink without increasing carbon dioxide gas pressure.SOLUTION: There are provided the method for increasing carbonic acid stimulation of carbonated drink by adding a hydroxyl acid ester the carbonic acid stimulation increasing method for the carbonated drink, wherein the carbonated drink is produced by adding the hydroxyl acid ester to the carbonated drink or by producing the drink using the hydroxyl acid ester as a raw material and the carbonated drink production method to use either one of the carbonic acid stimulation increasing methods for the carbonated drink.COPYRIGHT: (C)2013,JPO&INPIT【課題】炭酸ガス圧を高めることなく、炭酸飲料の炭酸刺激を増強し得る方法の提供。【解決手段】ヒドロキシ酸エステル類を添加することを特徴とする、炭酸飲料の炭酸刺激の増強方法;炭酸飲料にヒドロキシ酸エステル類を添加する、又はヒドロキシ酸エステル類を原料として炭酸飲料を製造することを特徴とする前記記載の炭酸飲料の炭酸刺激の増強方法;前記いずれか記載の炭酸飲料の炭酸刺激の増強方法を用いることを特徴とする、炭酸飲料の製造方法。【選択図】なし