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 5

Effect of the solvent fractions of Carica papaya root on PCV, body temperature, and weight of P. berghei infected mice on 4-day Peter’s suppression test.

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

Petroleum ether fraction10055.3 ± 2.9453.5 ± 1.22−3.45
20055.5 ± 1.5254.3 ± 3.44−2.34
40056.3 ± 1.9755.5 ± 1.52−1.51

Chloroform fraction10055.7 ± 1.5052.17 ± 2.23−6.81
20055.0 ± 1.0952.7 ± 1.63−4.47
40054.7 ± 1.0353.5 ± 2.17−2.28

Methanol fraction10056.0 ± 1.2651.7 ± 1.50−8.41
20055.0 ± 1.0949.8 ± 2.23−10.50
40055.7 ± 1.5054 ± 1.79−3.11

Vehicle1 ml56.0 ± 1.7950.7 ± 3.27−10.79

Chloroquine2556.0 ± 1.5556.0 ± 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.