| abstract |
It is intended to provide a package drink having a high catechin concentration which comprises a low-caffeine green tea extract. Namely, a package drink containing from 0.03 to 1.0% by weight of non-polymerized catechins which comprises a low-caffeine green tea extract obtained by a method comprising contacting a green tea extract with a solution of a mixture of an organic solvent with water at a weight ratio of from 91/9 to 97/3, active carbon and acid clay or active clay. |