PROBLEM TO BE SOLVED: To provide a bottled carbonic acid beverage excellent in temporal stability of carbonic acid feeling, a manufacturing method therefor and a carbonic acid feeling improvement method of the bottled carbonic acid beverage.SOLUTION: There is provided a bottled carbonic acid beverage containing carbonic acid gas of 2.0 vol% to 4.5 vol% and having hardness H of solvent mainly containing water contained in the bottled carbonic acid beverage of 0 mg/L to 45 mg/L and a value of ratio between the hardness H and magnesium concentration Ca based on total amount of the bottled carbonic acid beverage, C/H of 0.03 to 0.3.SELECTED DRAWING: None【課題】炭酸感の経時安定性に優れた容器詰め炭酸飲料、およびその製造方法、さらには容器詰め炭酸飲料の炭酸感向上方法を提供する。【解決手段】炭酸ガスを２．０ｖｏｌ％以上４．５ｖｏｌ％以下含む容器詰め炭酸飲料であって、当該容器詰め炭酸飲料に含まれる水を主成分とする溶媒の硬度Ｈが、０ｍｇ／Ｌ以上４５ｍｇ／Ｌ以下であり、当該容器詰め炭酸飲料全量に対するマグシウム濃度をＣＭｇとしたとき、前記硬度Ｈと、前記マグネシウム濃度ＣＭｇとの割合、ＣＭｇ／Ｈの値が、０．０３以上０．３以下である。【選択図】なし
