PROBLEM TO BE SOLVED: To provide a foamable packed beverage having improved foamability and foam sustainability.SOLUTION: A foamable packed beverage contains following components (A)-(C): (A) at least one selected from α acid, iso α acid and β acid of 0.2-400 mass ppm; (B) sugar alcohol; and (C) carbon dioxide, with a mass ratio between component (A) and component (B) [(B)/(A)] of 50-20000, and a content of ethanol of less than 1 mass%.SELECTED DRAWING: None【課題】泡立ちと泡持ちが向上した起泡性容器詰飲料を提供すること。【解決手段】次の成分(A)~(C);(A)α酸、イソα酸及びβ酸から選択される1種又は2種以上 0.2~400質量ppm(B)糖アルコール(C)炭酸ガスを含有し、成分(A)と成分(B)との質量比[(B)/(A)]が50~20000であり、かつエタノール1質量%未満である、起泡性容器詰飲料。【選択図】なし