Research Article

Suppressive, Curative, and Prophylactic Effects of Maesa lanceolata Forssk. against Rodent Malaria Parasite Plasmodium berghei

Table 4

Body weight and temperature of malaria-infected study mice treated with M. lanceolata methanol (80%) leaf extract and solvent fractions in the four-day chemosuppressive study.

Test substancesDose/dayBody weight (g)Rectal temperature (°C)
D0D4% changeD0D4% change

PW10 ml/kg−4.70−5.10

ML200 mg/kg−2.85b−3.52
400 mg/kg−2.07b−3.35
600 mg/kg−1.40b−2.54

CQ25 mg/kg4.49a0.67

2% TW-8010 ml/kg−7.56−3.42

CF200 mg/kg−4.02b−3.13bd
400 mg/kg26.05 ± 0.75−0.35a−0.44a
600 mg/kg−0.72−2.02

CQ25 mg/kg4.37a0.05a

PW10 ml/kg−6.27−4.86

BF200 mg/kg−4.57b−1.59a
400 mg/kg−3.76b−1.33a
600 mg/kg−3.03b−0.93a

CQ25 mg/kg4.52a0.10a

PW10 ml/kg−6.94−6.03

DWF200 mg/kg−5.65b−1.23a
400 mg/kg−3.74b−0.96a
600 mg/kg−3.43b−0.89a

CQ25 mg/kg4.93a0.76a

Values are designated as (); a compared to PW, b to CQ 25 mg, d to 400 mg of test substance, and : , , ; PW: pure water 10 ml/kg (negative control); ML: crude extract of M. lanceolata; 2% TW-80: 2% tween 80; CF: chloroform fraction; BF: n-butanol fraction; DWF: distilled water fraction; CQ: chloroquine; D0: values on day 1 (pretreatment); D4: values on day 5 (posttreatment).