Table 6.

Overview of the antioxidant activity of the isolated compounds 1-4

Compounds	DPPH radical scavenging activity (IC50 µg/mL)	Hydroxyl radical scavenging activity (IC50, µg/mL)	Lipid peroxidation inhibition (IC50, µg/mL)	Ferric-reducing power (absorbance at 25 µg/mL)	Total antioxidant capacity (absorbance at 25 µg/mL)
1	5.10 ± 0.42	17.68 ± 2.75	31.71 ± 1.21	2.043 ± 0.025	0.698 ± 0.003
2	10.38 ± 0.25	19.41 ± 2.32	26.97 ± 1.05	2.149 ± 0.043	1.012 ± 0.014
3	9.70 ± 0.44	18.33 ± 2.07	22.60 ± 1.19	2.132 ± 0.008	0.899 ± 0.008
4	40.91 ± 0.66	10.44 ± 0.74	27.81 ± 1.98	0.800 ± 0.011	0.239 ± 0.007
Standard	2.16 ± 0.08	2.73 ± 0.41	16.17 ± 0.33	2.929 ± 0.010	1.037 ± 0.004