Substance

IC50 (µgm/ml)

Selectivity Index (SI)

T. b. brucei

HL-60

MeOH Extract

77.54

132.97

1.71

CH2Cl2 Extract

25.27

123.21

4.87

Diminazene aceturate drug

0.088

>128.88

>1464.00
Table 8: Trypanocidal and cytotoxic activities of artemisinin and crude extract from A. afra.