Table 3.

Percentage of inhibition of DPPH and IC₅₀ for ethanolic extract of two plants at different concentrations (μg/mL) compared with vitamin C.

Concentration (μg/mL)	% inhibition by plant		% inhibition by vitamin C
	CA	CP
1	27.22 ± 0.75	31.84 ± 1.07	43.03 ± 1.10
3	35.90 ± 0.63	39.56 ± 1.10	45.78 ± 0.98
7	38.87 ± 1.51	41.09 ± 0.92	51.32 ± 1.11
10	41.58 ± 1.38	43.18 ± 1.26	56.38 ± 1.21
20	59.20 ± 0.61	60.37 ± 1.58	65.89 ± 1.43
30	63.91 ± 1.23	64.58 ± 1.42	69.40 ± 0.89
40	65.56 ± 1.14	66.21 ± 0.85	71.35 ± 1.32
50	67.11 ± 1.53	69.67 ± 1.45	76.71 ± 1.04
80	83.34 ± 1.19	87.48 ± 1.12	99.54 ± 1.22
100	86.11 ± 1.15	90.17 ± 0.96	100.96 ± 1.06
IC50 (μg/mL)	21.81	17.62	3.31

Values are mean ± SD of 3 replicates.