Table 3.

The IC₅₀ values of both plant extracts and reference reagents against several in-vitro antioxidant models.

Sr. no.	Antioxidant parameters	IC50 values in µg/mL (mean ± SD.)
		ASA	ANE	ANH
1.	DPPH	13.28	81.13	39.45
2.	Nitric oxide	41.16	102.22	64.44
3.	Superoxide anion	47.33	156.75	90.88
4.	Hydrogen peroxide	50.83	91.27	162.10

ANE: ethanolic extract of A. nobilis; A.N.H.: n-hexane extract of A. nobilis; A.S.A.: ascorbic acid; DPPH: 2-diphenyl-1-picryl-hydroxyl; IC₅₀: half-maximal inhibitory concentration.