To provide a carbonated beverage with improved aftertaste and foreign taste peculiar to high sweetness sweetener and a manufacturing method thereof, and to provide a quality of taste modifier of a stevia-based carbonated beverage.SOLUTION: A carbonated beverage contains digestion-resistant glucan and stevia. In the manufacturing method of the carbonated beverage blended digestion-resistant glucan and stevia as raw materials, the digestion-resistant glucan is blended to consist of 0.1-10 mass% per the beverage, and the stevia is blended to consist of 0.0005-0.107 mass% per the beverage. An active component of a quality of taste modifier of a stevia-based carbonated beverage is the digestion-resistant glucan.SELECTED DRAWING: None【課題】高甘味度甘味料特有の後味・異味が改善された炭酸飲料およびその製造方法の提供。さらに、ステビア含有炭酸飲料の味質改良剤の提供。【解決手段】難消化性グルカンおよびステビアを含有する炭酸飲料。また、原料として難消化性グルカンおよびステビアを配合する炭酸飲料の製造方法であって、難消化性グルカンを飲料あたり０．１～１０質量％、ステビアを飲料あたり０．０００５～０．１０７質量％の配合量となるように配合する炭酸飲料の製造方法。難消化性グルカンを有効成分とするステビア含有炭酸飲料の味質改良剤。【選択図】なし
