Antiradical and Cytotoxic Activities of Varying Polarity Extracts of the Aerial Part of Euphorbia hirta L.

Table 2

Antioxidant activities of E. hirta aerial extracts.

Sample linoleic	EC50^a of DPPH; Free radical-scavenging activity (𝜇g sample/mL)	EC50^b of reducing power; (𝜇g sample/mL)	Inhibition % of 𝛽-carotene-linoleic acid bleaching assay
MeOH extract	42.8±0.34	44.3±2.83	90.01±0.97
EtOH extract	50.75±0.19	6.18±2.52	94.32±0.36
EA extract	237.52±0.76	141.14±1.96	93.75±0.42
DCM extract	197.83±0.55	371.5±3.15	96.15±0.78
Hex extract	175.45±0.15	661.75±3.21	92.86±0.53
Ascorbic acid	ND	36.1±0.49	ND
BHT	18.5±0.19	ND	93.2±3.15

Data are presented as the means ± standard deviation (SD) of triplicate determinations.
^aEC₅₀ is the concentration required to inhibit radical formation by 50%.
^bEC₅₀ is the concentration for which the absorbance at 700 nm is 0.5.
ND: not determined.