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 3

Effect of the solvent fractions of Carica papaya rind on packed cell volume (PCV) of P. berghei infected mice on 4-day Peter’s suppression test.

Treatment groupDose mg/kg/dayPacked cell volume
Day 0Day 4% change

Pet ether fraction10057.7 ± 2.3456.0 ± 2.83−3.02
20058.2 ± 2.0457.0 ± 1.67−2.09
40057.3 ± 2.4257.2 ± 2.40−0.29

Chloroform fraction10056.3 ± 1.9753.7 ± 2.94−5.09
20056.3 ± 1.5054.3 ± 2.94−3.85
40055.0 ± 1.0954.7 ± 1.21−0.62

Methanol fraction10057.0 ± 1.0955.7 ± 2.34−2.49
20056.0 ± 1.7956.0 ± 2.19−0.04
40056.3 ± 1.5056.0 ± 2.83−0.70

Vehicle1 ml56.0 ± 1.7950.67 ± 3.26−10.79

Chloroquine2557.0 ± 1.5558.00 ± 2.101.69

Data are expressed as mean ± SEM; n = 6; to negative control (vehicle; 2% Tween 80); ; . Day 0 = pretreatment value on day 0. Day 4 = posttreatment value on day four.