Antioxidant Potential of Artemisia capillaris, Portulaca oleracea, and Prunella vulgaris Extracts for Biofabrication of Gold Nanoparticles and Cytotoxicity Assessment

Table 1 Antioxidant activity of A. capillaris, P. oleracea, and P. vulgaris extracts

	IC₅₀ against DPPH radical, μg/mL	IC₅₀ against ABTS radical, μg/mL	Reducing power; concentration at absorbance (0.7), μg/mL	Total phenolic content, mg GAE/g
A. capillaris	156.72 ± 0.97	147.28 ± 2.95	235.38	39.88 ± 4.55
P. oleracea	247.33 ± 1.57	305.54 ± 4.86	396.16	18.32 ± 2.76
P. vulgaris	50.35 ± 1.22	38.6 ± 0.44	162.98	90.53 ± 6.81
Vitamin C	ND	12.15 ± 0.05	ND	ND
BHT	71.37 ± 0.84	ND	94.36	ND