METHOD OF REMOVING CAFFEINE FROM CAFFEINE-CONTAINING CATECHIN COMPOUND COMPOSITION

摘要

A method of selectively removing caffeine from a caffeine-containing catechin compound composition, characterized by dissolving the caffeine- containing catechin compound composition in a mixed solution comprising an organic solvent and water in a weight ratio of from 9/1 to 1/9 and bringing the solution into contact with activated carbon or with activated carbon and either acid clay or activated clay; and a bottled drink containing a decaffeinated composition obtained by the method.