Research Article

Evaluation of Ethnopharmacological and Antioxidant Potential of Zanthoxylum armatum DC.

Table 3

Antioxidant activity of Z. armatum leaf extract in methanol with different concentrations using reducing power assay.

Sr. no.Concentration (μg/mL)Methanol leaf extract absorbance (nm)Ascorbic acid absorbance (nm)

17.810.265 ± 0.06a0.454 ± 0.05a
215.620.391 ± 0.08ab0.517 ± 0.05a
331.250.558 ± 0.07ab0.872 ± 0.00b
462.50.767 ± 0.10bc1.409 ± 0.09c
51250.861 ± 0.10bc2.332 ± 0.10d
62501.411 ± 0.46c2.860 ± 0.02e

All values stated as mean ± standard deviation (); values of the same column, followed by the same letter (a to e) are statistically significant () as measured by Tukey’s test.