The present invention provides a flow containing a high concentration of catechin beverage containers and packaging formulated with low- caffeine green tea extract.The present invention , the green tea extract , a weight ratio of organic solvent and water is 91 / 9-97 / 3 in a mixture with a low caffeine obtained by the method of contacting the activated carbon and acid clay or activated clay green tea formulated with extracts, a non-polymer catechins is packing beverage containing 0.03 to 1.0 wt %.본 발명은 저카페인 녹차추출물을 배합한 고농도 카테킨류 함유 용기포장음료를 제공한다.본 발명은, 녹차추출물을, 유기용매와 물의 중량비가 91/9~97/3의 혼합용액과, 활성탄 및 산성백토 또는 활성백토를 접촉시키는 방법에 의해 얻어진 저카페인 녹차추출물을 배합한, 비중합체 카테킨류를 0.03~1.0중량% 함유하는 용기포장음료이다.
