Table I.

Combination index at different combinations.

		Combination Index
Cell line	EGCG (µM)	Resveratrol (15 µl)	Resveratrol (20 µl)
Tu212	30	0.93	0.73
	35	0.68	0.63
	40	0.66	0.62
	45	0.62	0.68
	50	0.63	0.74
	55	0.61	0.43
	60	0.59	0.47
SqCCy1	30	0.41	0.42
	40	0.43	0.44
	50	0.43	0.43
	60	0.47	0.44
	70	0.49	0.43
	80	0.49	0.44
MDA686TU	30	0.49	0.46
	40	0.47	0.46
	50	0.48	0.46
	60	0.43	0.44
	70	0.41	0.43
	80	0.41	0.45

Tu212, SqCCy1 and MDA686TU cells were treated with the indicated doses of EGCG, resveratrol and their combination and apoptosis was assessed after 72 h. Combination index values were calculated using CalcuSyn software. EGCG, epigallocatechin gallate.