Table 1.

TEAC values of EGCG and its α-glucosides.

Compound	Slope of linear regression	R2	TEAC
Trolox	3.22 ± 0.02	0.996	1.00 ± 0.02
EGCG	12.1 ± 0.1	0.999	0.27 ± 0.02
EGCG 3′-O-α-D-glucopyranoside	9.97 ± 0.20	0.996	0.32 ± 0.02*
EGCG 7-O-α-D-glucopyranoside	4.04 ± 0.20	0.999	0.80 ± 0.04*

The data is expressed as mean ± SD (n = 6,

^*p < 0.01 vs. EGCG).