Table I.

Composition of Polyphenon-B and BTF-35

Polyphenolic constituents	Polyphenon-B (%w/w)	BTF-35 (%w/w)
Epigallocatechin (EGC)	-	0.1
Epicatechin (EC)	0.4	0.2
Epigallocatechin gallate (EGCG)	1.4	2.6
Epicatechin gallate (ECG)	0.1	2.1
Gallocatechin gallate (GCG)	0.2	0.3
Catechin gallate (CG)	-	0.1
Catechin (C)	-	0.1
Free theaflavin	0.32	7.1
Theaflavinmonogallate-A	0.14	8.3
Theaflavinmonogallate-B	0.15	2.6
Theaflavindigallate	0.24	9.8
Tannin	35.6	-
Caffeine	4.9	0.5

The composition of Polyphenon-B and BTF-35 was kindly provided by Mitsui Norin Co., Ltd., Japan.