Research Article

Antimalarial Activity of Crude Extract and Solvent Fractions of the Leaves of Bersama abyssinica Fresen. (Melianthaceae) against Plasmodium berghei Infection in Swiss Albino Mice

Table 6

Effect of B. abyssinica crude extract and aqueous fraction on percentage parasitemia and survival time of P. berghei-infected mice in the prophylactic test.

Treatment% parasitemia (±SEM)% suppressionMST (days) (±SEM)

DW 10 ml/kg30.30 ± 1.300.007.83 ± 0.87
BA 100 mg/kg22.10 ± 0.9327.06a3,b311.33 ± 0.71a1,b3
BA 200 mg/kg19.65 ± 1.2235.15a3,b312.17 ± 0.95a2,b3
BA 400 mg/kg16.93 ± 1.0044.11a3,b3,c214.67 ± 0.88a3,b3,c1
AQ 100 mg/kg22.98 ± 1.0624.16a2,b39.83 ± 1.45b3
AQ 200 mg/kg21.20 ± 0.7530.03a3,b311.33 ± 1.12a1,b3
AQ 400 mg/kg19.07 ± 2.1037.07a3,b313.50 ± 1.65a2,b3
CQ 25 mg/kg0.30 ± 0.1899.01a329.60 ± 0.40a3

Data are expressed as mean ± SEM; n = 6, a = compared to DW, b = compared to chloroquine 25 mg/kg, c = compared to BA 100 mg/kg, 1 = , 2 = , 3 = , DW = distilled water, BA = Bersama abyssinica crude extract, AQ = aqueous fraction, CQ = chloroquine, SEM = standard error of the mean, MST = mean survival time.