Phytochemical Analysis, Antifungal, and Antioxidant Properties of Two Herbs (Tristemma mauritianum and Crassocephalum bougheyanum) and One Tree (Lavigeria macrocarpa) Species

Table 4

Hydroxyl-radical scavenging activity of plant extracts as a function of concentrations.

Plant extracts	Concentration (µg/mL)
	12.5	25	50	100	200
T. mauritianum (aerial parts)	3.73 ± 0.97^b	4.99 ± 1.92^b	9.07 ± 4.01^b	20.98 ± 3.07^b	66.001 ± 2.05^b
L. macrocarpa (leaves)	1.69 ± 0.61^a	2.01 ± 0.15^a	4.83 ± 0.67^a	15.90 ± 2.12^a	22.73 ± 0.85^a
L. macrocarpa (roots)	0.7 ± 0.95^a	1.14 ± 1.05^a	1.89 ± 0.99^a	9.93 ± 1.75^a	18.89 ± 2.67^a
G. bougheyanum (aerial parts)	10.00 ± 0.83^c	11.09 ± 0.03^d	22.00 ± 0.82^d	67.01 ± 2.13^d	94.03 ± 1.26^e
Vitamin C	2.07 ± 0.40^ab	13.07 ± 0.70^e	44.02 ± 0.35^e	83.05 ± 4.00^e	96.98 ± 0.90^e

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