Provided is a bottled tea beverage that has improved drinkability and that contains (A) a non-polymerized catechin, (B) a polymerized catechin, and (C) caffeine, wherein: the weight-based contents of (A), (B), and (C) per 100 mL of bottled beverage satisfy (1) (A)+(B) = 10 to 50 mg and (2) (C) = 6.5 to 29 mg the non-polymerized catechin (A) includes (A1) an ester-type catechin and the content ratio of the ester-type catechin (A1) satisfies (3) (C)/((A1)+(B)) = 0.5 to 1.3.本發明係提供一種經提高飲用性之容器包裝茶系飲料,該茶系飲料係含有(A)非聚合兒茶素、(B)聚合兒茶素以及(C)咖啡因,且於該容器包裝飲料每100 mL中含有該等物質之重量為(甲)(A)+(B)=10~50 mg,(乙)(C)=6.5~29 mg,其中(A)非聚合兒茶素係含有(A1)酯型兒茶素,且(A1)酯型兒茶素之含有比例係(丙)(C)/((A1)+(B))=0.5~1.3。
