Research Article

In Vivo Antimalarial Evaluation of Crude Extract, Solvent Fractions, and TLC-Isolated Compounds from Olea europaea Linn subsp. cuspidata (Oleaceae)

Table 6

Effect of the aqueous, butanol, and chloroform fractions of O. europaea on mean survival time and body weight of P. berghei infected mice.

TreatmentDose (mg/kg)Body weight (g) ± SEMMST (day) ± SEM
D0D4% change

Butanol fraction10031.67 ± 0.6930.16 ± 0.68−4.777.50 ± 0.22
20031.02 ± 0.6130.45 ± 0.95−1.848.33 ± 0.49
40029.88 ± 0.5230.08 ± 0.760.67a110.17 ± 0.48a2b2
Chloroform fraction10025.27 ± 1.2623.36 ± 1.12−7.567.33 ± 0.33
20026.73 ± 1.0226.11 ± 0.90−2.327.67 ± 0.48
40027.83 ± 0.7726.17 ± 0.55−5.967.83 ± 0.31
Aqueous fraction10029.10 ± 0.4527.93 ± 0.82−4.027.17 ± 0.31
20027.67 ± 0.1126.71 ± 0.57−3.477.67 ± 0.33
40027.48 ± 1.1326.64 ± 1.23−3.068.17 ± 0.48
Dist. water10 ml/kg30.15 ± 0.6827.71 ± 0.97−8.097.17 ± 0.54
Chloroquine2528.02 ± 0.2727.85 ± 0.49−0.61a1ND

Values are expressed as mean ± SEM; n = 6; a = compared to negative control; b = compared to 100 mg/kg of butanol fraction; ; ; . There was significant difference between day 0 and 4 within the group. D0 = pretreatment on day zero; D4 = posttreatment on day five; ND = no death within 28 days.