PROBLEM TO BE SOLVED: To provide a container-packed beverage in which not only the increase of astringent taste when stored for a long period is suppressed, but also the generation of degradation odor and degradation flavor when stored for a long period is suppressed, and in addition, the decrease of polyphenol residual ratio is also suppressed.SOLUTION: A container-packed beverage comprises the following components (A) and (B): (A) 0.02-0.5 mass% of one or two or more polyphenols selected from flavonol, flavanone, flavanol and their sugar adducts, and phenolic acid and (B) citrulline, wherein the mass ratio of the component (A) and the component (B) [(B)/(A)] is 0.02-125.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】長期間保存したときの苦渋味の増加の抑制だけでなく、長期間保存したときの劣化臭・劣化風味の抑制に加え、ポリフェノールの残存率の低下も抑制された容器詰飲料を提供すること。【解決手段】次の成分(A)及び(B);(A)フラボノール、フラバノン、フラバノール及びそれらの糖付加物、並びにフェノール酸から選択される1種又は2種以上のポリフェノール 0.02~0.5質量%、及び、(B)シトルリンを含有し、成分(A)と成分(B)との質量比[(B)/(A)]が0.02~125である、容器詰飲料。【選択図】なし