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 2

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

TreatmentDose mg/kg/day% parasitemia% chemosuppressionSurvival date

Petroleum ether fraction10041.07 ± 2.5521.858.00 ± 0.63
20035.98 ± 3.6731.539.17 ± 0.41
40029.55 ± 4.4243.779.83 ± 1.33

Chloroform fraction10047.42 ± 1.949.777.83 ± 0.41
20039.28 ± 1.5325.258.83 ± 0.75
40027.27 ± 3.3648.1110.17 ± 0.75

Methanol fraction10047.13 ± 4.3910.317.83 ± 0.75
20047.22 ± 4.9710.158.33 ± 1.03
40039.08 ± 2.7625.639.00 ± 0.89

Vehicle1 ml52.55 ± 5.6-7.83 ± 0.75

Chloroquine250.00 ± 0.0010030.00 ± 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; ; ; .