Research Article

In Vivo Antimalarial Activity of the Solvent Fractions of Fruit Rind and Root of Carica papaya Linn (Caricaceae) against Plasmodium berghei in Mice

Table 1

Effect of the solvent fractions of C. papaya fruit rind on parasitemia and survival of P. berghei infected mice on 4-day Peter’s suppression test.

TreatmentDose in mg/kg/day% parasitemia% chemosuppressionSurvival date

Petroleum ether fraction10040.45 ± 2.123.038.67 ± 0.52
20034.48 ± 4.934.388.83 ± 0.75
40020.08 ± 2.461.7810.33 ± 1.03

Chloroform fraction10046.92 ± 4.710.728.33 ± 0.52
20039.83 ± 3.324.208.67 ± 0.82
40032.77 ± 1.6137.659.5 ± 1.05

Methanol fraction10048.25 ± 4.388.187.67 ± 0.52
20043.53 ± 3.2517.168.50 ± 0.55
40042.88 ± 4.8818.398.17 ± 0.75

Vehicle1 ml52.55 ± 5.6-7.83 ± 0.75

Chloroquine25010030.00 ± 0.00

Data are expressed as mean ± SEM; = 6; to negative control (vehicle; 2% Tween 80), to chloroquine 25 mg/kg, to 100 mg/kg/day of the fraction, to 200 mg/kg/day of the fraction, and to 400 mg/kg/day of the fraction; ; ; .