Research Article

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.

TreatmentsDoseBody weight (g)
D3D7%

4% Tween 8010 ml/kg25.10 ± .7121.92 ± 0.54−12.67
Chloroquine25 mg/kg24.52 ± 0.6824.96 ± 0.501.79a2
Crude hydro-methanolic extract100 mg/kg23.96 ± .5021.66 ± 0.66−9.60b1
200 mg/kg26.78 ± 0.5324.98 ± 0.45−6.72
400 mg/kg25.20 ± 0.5724.12 ± 0.75−4.29
Chloroform fraction100 mg/kg26.79 ± 0.7724.41 ± 1.37−8.88
200 mg/kg23.87 ± 0.9522.04 ± 0.93−7.67
400 mg/kg26.22 ± 0.5525.16 ± 0.32−4.02
Ethyl acetate fraction100 mg/kg23.96 ± 0.6522.05 ± 0.72−7.97
200 mg/kg25.44 ± 0.9323.82 ± 0.67−6.37
400 mg/kg23.84 ± 1.6523.02 ± 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 = .