Antimalarial Activity of Crude Extract and Solvent Fractions of Leaves of Solanum nigrum L. (Solanaceae) against Plasmodium berghei in Mice
Table 6
Effect of crude hydromethanolic extract and solvent fractions of the leaf of S. nigrum L. on body weight of P. berghei-infected mice in the prophylactic test.
Treatments
Dose
Body weight (g)
D3
D7
%
4% Tween 80
10 ml/kg
25.10 ± .71
21.92 ± 0.54
−12.67
Chloroquine
25 mg/kg
24.52 ± 0.68
24.96 ± 0.50
1.79a2
Crude hydro-methanolic extract
100 mg/kg
23.96 ± .50
21.66 ± 0.66
−9.60b1
200 mg/kg
26.78 ± 0.53
24.98 ± 0.45
−6.72
400 mg/kg
25.20 ± 0.57
24.12 ± 0.75
−4.29
Chloroform fraction
100 mg/kg
26.79 ± 0.77
24.41 ± 1.37
−8.88
200 mg/kg
23.87 ± 0.95
22.04 ± 0.93
−7.67
400 mg/kg
26.22 ± 0.55
25.16 ± 0.32
−4.02
Ethyl acetate fraction
100 mg/kg
23.96 ± 0.65
22.05 ± 0.72
−7.97
200 mg/kg
25.44 ± 0.93
23.82 ± 0.67
−6.37
400 mg/kg
23.84 ± 1.65
23.02 ± 0.62
−3.44a1
Values are expressed as mean ± SEM; n = 5. a = as compared to the negative control (4% tween- 80 as a vehicle) 10 ml/kg; b = as compared to the positive control (chloroquine 25 mg/kg); 3 = ; 2 = ; 1 = .