Table 4 Pearson’s cor relation coefficients of ABTS, DPPH, CUPRAC, FRAP, total phenol content (TPC), total flavonoid content (TFC), nitric oxide activity in RAW 264.7 cells

	ABTS	DPPH	CUPRAC	FRAP	NO in RAW 264.7	TPC	TFC
ABTS	1	0.908*1)	0.886*	0.886*	-0.797	0.938**	0.963**
DPPH	-	1	0.970**	0.970**	-0.707	0.889*	0.883*
CUPRAC	-	-	1	0.994**	-0.576	0.938**	0.917**
FRAP	-	-	-	1	-0.569	0.936**	0.918**
NO in RAW 264.7	-	-	-	-	1	-0.546	-0.606
TPC	-	-	-	-	-	1	0.995**
TFC	-	-	-	-	-	-	1

^*, p<0.05; ^**, p<0.01.