PROBLEM TO BE SOLVED: To provide a method for producing tea beverage group packed in container, by which the content of methylated catechin is kept at a prescribed value, in the production process of the tea beverage packed in a container.SOLUTION: The method for producing the green tea beverage group packed in the container includes an extraction step for extracting at least one kind of tea leaves selected from among a group consisting of species of "Benifuki", "Benifuji" and "Benihomare" green teas a first analysis step for measuring the amounts of tannin in the extracts obtained at the extraction step a water-adding step for regulating the extract to a prescribed concentration based on the amount of the tannin and a second analysis step for measuring the content of the tannin in the prepared solution obtained at the water-adding step.COPYRIGHT: (C)2008,JPO&INPIT【課題】容器入り茶飲料の製造工程において、メチル化カテキンの含有量を所定の値に保つことが可能な容器入り茶飲料群の製造方法を提供する。【解決手段】べにふうき、べにふじ、及びべにほまれからなる群から選ばれる少なくともいずれか一種の茶葉を抽出する抽出工程と、この抽出工程により得られる抽出液中のタンニン量を測定する第一分析工程と、前記タンニン量に基づき、前記抽出液を所定の濃度に調整する加水工程と、この加水工程により得られる調合液のタンニン含有量を測定する第二分析工程と、を有する。【選択図】なし
