Research Article

In Vivo Antimalarial Activity of the 80 Methanolic Root Bark Extract and Solvent Fractions of Gardenia ternifolia Schumach. & Thonn. (Rubiaceae) against Plasmodium berghei

Table 1

Antimalarial activity of 80% methanol extract and solvent fractions of Gardenia ternifolia root barks against Plasmodium berghei in 4-day suppressive test.

Group% Parasitemia% SuppressionSurvival Time

CON53.95±0. 710.006.33±0.21
GT20036.38±0.8332.58.50±0.4
GT40028.58±0.6547.011.17±0.3
GT60021.98±0.7259.213.50±0.4
CQ250.00±0.00100.028.00±0.0

CON48.64±0.940.006.50±0.22
BF20033.61±0.9030.88.83±0.6
BF40027.93±0.5142.410.50±0.5
BF60023.68±0.5951.312.83±0.6
CQ250.00±0.00100.028.00±0.0

CON50.49±0.600.006.33±0.21
CF20038.12±0.6824.57.17±0.3
CF40034.77±0.6331.18.00±0.4
CF60029.93±0.3540.710.00±0.4
CQ250.00±0.00100.028.00±0.0

CON46.86±1.200.006.67±0.33
AF20039.99±1.1914.67.00±0.3
AF40037.92±0.5719.07.50±0.2
AF60034.80±0.6825.77.83±0.4
CQ250.00±0.00100.028.00±0.0

Data are expressed as mean ± SEM (n=6); a, compared to CON; b, to CQ 25; c, to 200 mg/kg; d, to 400 mg/kg; e, 600 mg/kg: 1p<0.05, 2p<0.01, 3p<0.001; CON, negative control, received distilled water 10 ml/kg; GT = crude extract of Gardenia ternifolia, BF = n-butanol fraction, CF = chloroform fraction, AF = aqueous fraction, and CQ = chloroquine; numbers (25,200,400,600) refer to dose in mg/kg.