Table 1.
Category | Treatment | Dose (mg/kg) | % parasitemia | % suppression | MST (days) |
---|---|---|---|---|---|
Crude | NC | − | 50.00 ± 0.58 | 0.00 | 6.50 ± 0.22 |
80ME | 200 | 33.77 ± 1.33 | 32.47 ± 2.65a***,b*** | 9.50 ± 0.42a**,b***,c* | |
80ME | 400 | 32.30 ± 1.57 | 35.40 ± 3.14a***,b*** | 10.17 ± 0.79a***,b*** | |
80ME | 600 | 31.17 ± 1.25 | 37.67 ± 2.50a***,b*** | 12.00 ± 0.58a***,b*** | |
PC | 25 | 0.00 | 100 | 29.67 ± 0.21 | |
Solvent fractions | NC | − | 47.13 ± 4.04 | 0.00 | 6.67 ± 0.33 |
CF | 100 | 36.88 ± 2.54 | 21.68 ± 5.41a*,b*** | 8.5 ± 0.43a*,b*** | |
CF | 200 | 35.90 ± 0.89 | 23.72 ± 1.92a*,b*** | 9.00 ± 0.58a**,b*** | |
CF | 400 | 31.15 ± 4.27 | 33.85 ± 9.08a***,b*** | 9.83 ± 0.40a***,b*** | |
PC | 25 | 0.00 | 100 | 29.5 ± 0.34 | |
NC | − | 49.81 ± 3.83 | 0.00 | 6.33 ± 0.49 | |
BF | 100 | 41.60 ± 2.45 | 18.12 ± 4.82a***,b*** | 7.83 ± 0.31a*,b*** | |
BF | 200 | 39.33 ± 0.31 | 21.03 ± 0.62a***,b*** | 8.50 ± 0.0.23a*,b*** | |
BF | 400 | 36.55 ± 0.35 | 26.88 ± 0.70a***,b*** | 9.17 ± 0.31a***,b***,d*** | |
PC | 25 | 0.00 | 100 | 29.33 ± 0.33 | |
NC | − | 57.78 ± 3.09 | 0.00 | 6.00 ± 0.26 | |
AF | 100 | 56.42 ± 2.89 | 5.60 ± 3.60b*** | 6.00 ± 0.37b***,c* | |
AF | 200 | 55.33 ± 0.83 | 6.72 ± 1.74b*** | 6.50 ± 0.22b*** | |
AF | 400 | 52.55 ± 2.97 | 9.75 ± 4.84b*** | 7.33 ± 0.21a*,b*** | |
PC | 25 | 0.00 | 100 | 29.5 ± 0.34 |
Data are expressed as mean ± SEM; n = 6; NC = negative control (0.2 mL tween-80/distilled water); PC: positive control (chloroquine); AF: aqueous fraction; BF: butanol fraction; CF: chloroform fraction; MST: mean survival time.
Compared to negative control.
Compared to positive control.
Compared to 600 mg/kg (80ME) and 400 mg/kg (solvent fractions).
Compared to chloroform.
p < 0.05; **p < 0.01; ***p < 0.001.