PROBLEM TO BE SOLVED: To provide a method for manufacturing refined green tea extract that is useful as a raw material for a catechin contained beverage that is rich in green tea flavor, easy to drink, and can be continuously taken.SOLUTION: The method for producing the refined green tea extract includes bringing the organic solvent solution of green tea extract into contact, for 12 hours to 5 days, with activated carbon of 0.1-1 mass times with respect to catechin in the green tea extract solid.COPYRIGHT: (C)2012,JPO&INPIT【課題】緑茶風味に優れ飲みやすく継続摂取可能なカテキン類含有飲料の原料として有用な精製緑茶抽出物の製造方法を提供すること。【解決手段】緑茶抽出物の有機溶媒水溶液を、該緑茶抽出物の固形分中のカテキン類に対して0.1~1質量倍の活性炭と12時間~5日間接触させる、精製緑茶抽出物の製造方法。【選択図】なし