Table 3.

Lipid peroxidation activity of P. fraternus aqueous and ethanolic extracts of aerial part and root.

Concentration (µg/mL)	Percentage inhibition (mean ± SE)
	Aerial Part		Root
	Aqueous extract	Ethanol extract	Aqueous extract	Ethanol extract
500	18.22 ± 1.05	20.76 ± 1.05	—	15.97 ± 0.62**
1000	42.0 ± 1.73**	47.92 ± 3.84**	9.85 ± 4.66	39.00 ± 0.41**
2000	62.34 ± 1.52**	63.22 ± 0.75**	31.16 ± 1.18**	54.83 ± 0.27**
3000	81.07 ± 0.64**	83.45 ± 0.54**	45.54 ± 0.12**	69.74 ± 0.82**
4000	93.34 ± 0.48**	96.55 ± 0.27**	57.04 ± 1.63**	83.92 ± 0.62**
6000	—	—	85.57 ± 0.30**	—
EC50	1533	1521	3547	1957

EC₅₀ of Ascorbic acid is 643.89.

**Significant at P < 0.001.