Table 3.

IC ₅₀ correlation with total flavonoid and total phenolic contents

Activity	Correlation R 2
	Flavonoids	Phenolics
DPPH scavenging activity	0.57	0.46
Hydrogen peroxide scavenging activity	0.78*	0.86*
Hydroxyl radical scavenging activity	0.89**	0.85*
ABTS scavenging activity	0.67*	0.65
Anti lipid per oxidation activity	0.92**	0.97**
β - carotene bleaching scavenging activity	0.55	0.44
Superoxide radical scavenging activity	0.73*	0.82*

Values are expressed as mean±SD (N=3). Values within the same column with different superscripts letter are significantly different. *=P<0.05; **=P<0.01.