Table 2.

DPPH radical scavenging activity of P.niruri extract, C. lanatus oil, and nanoemulsion.

Concentration (µg/ml)	% Inhibition
	P. niruri extract	C. lanatus oil	Nanoemulsion	Gallic acid
10	12.0 ± 0.08	12.83 ± 0.62	11.46 ± 0.65	18.10 ± 0.16
20	22.15 ± 0.67	22.56 ± 0.54	24.9 ± 0.14	28.86 ± 0.85
40	36.53 ± 1.08	37.53 ± 0.41	38.9 ± 0.09	42.93 ± 1.14
60	51.83 ± 0.235	49.73 ± 0.75	58.4 ± 0.63	56.10 ± 1.44
80	63.06 ± 0.329	60.66 ± 0.47	64.93 ± 0.73	73.30 ± 0.96
100	72.80 ± 0.82	69.2 ± 0.69	80.43 ± 0.68	89.86 ± 0.20
IC 50	61.9	64.3	56.4	49.7