Table 5.

EC₅₀ and correlation analysis between antioxidant activities and content of extract and ascorbic acid.

	Extract			Ascorbic Acid
	EC50 (mg/mL)	p Value	Multiple R	EC50 (mg/mL)	p Value	Multiple R
Ferrous Ion Reducing Power (A700)	0.69 ± 0.027	0.0609	0.976	0.032 ± 0.004	0.129	0.995
DPPH Scavenging Activity (%)	6.13 ± 0.97	0.000494	0.935	0.063 ± 0.007	0.0000215	0.990
ABTS Scavenging Activity (%)	0.88 ± 0.013	0.0220	0.945	0.065 ± 0.010	0.0000418	0.984
Hydrogen Peroxide Scavenging Activity (%)	1.80 ± 0.147	0.00161	0.995	0.11 ± 0.033	0.00955	0.996
Superoxide Anion Radical Scavenging Activity (%)	3.84 ± 0.368	0.00000486	0.989	0.27 ± 0.061	0.0343	0.997