Table 5.

Nitric oxide scavenging activity of plant extracts as a function of concentrations.

Plant extracts	Concentrations (µg/mL)
	12.5	25	50	100	200
T. mauritianum (aerial parts)	39.87 ± 10.10a	63.12 ± 6.76ab	70.07 ± 8.06ab	70.14 ± 18.31a	94.19 ± 3.54a
L. macrocarpa (leaves)	78.42 ± 14.67b	89.68 ± 4.06b	90.05 ± 2.34c	92.02 ± 1.04c	96.09 ± 1.02b
L. macrocarpa (roots)	62.71 ± 10.07a	69 ± 8.53a	74.09 ± 6.05b	83.74 ± 2.30b	86.93 ± 2.39b
G. bougheyanum (aerial parts)	50.61 ± 5.02a	66.01 ± 4.99b	79.98 ± 5.09bc	90.18 ± 5.04b	91.89 ± 1.69b
Vitamin C	92.03 ± 0.60c	94.25 ± 0.15b	96.06 ± 0.49d	97.02 ± 0.07e	99.09 ± 0.11h

In each column, values with different letters are statistically different at p < 0.05 using Waller–Duncan test.