Table II.

Different concentrations of EGCG and the inhibitory rate of MCF-7 cells using MTT.

Concentration	OD (mean ± SD)	Inhibition rate (%)
0	1.187±0.049	0
10	0.979±0.035	17.52
20	0.726±0.021	38.85
40	0.589±0.027	50.39
60	0.427±0.012	64
80	0.309±0.017	73.92
100	0.219±0.016	81.53
120	0.116±0.011	90.23

EGCG, epigallocatechin-3-gallate.