The concentrations of the caffeine and catechins compositions
in the cold-prepared green tea were caffeine, 688.3 mg/ml; (2)-
epigallocatechin (EGC), 1155.3 mg/ml; (+)-catechin (C), 90.1 mg/
ml; (2)-epicatechin (EC), 228.6 mg/ml; (2)-epigallocatechin gallate
(EGCG), 1030.3 mg/ml; and (2)-epicatechin gallate (ECG),
137.4 mg/ml.