From: Aspidosperma pyrifolium, a medicinal plant from the Brazilian caatinga, displays a high antiplasmodial activity and low cytotoxicity
Crude extracts and fractions (code)
% Reductiona
Day 5
Day 10
Extracts
Root bark (AP9)
79
29
Root (AP12)
75
52
Leaves
23
40
Fractions
Aqueous (AP2)
93
57
Organic (ethyl acetate) (AP3)
0
34
Alkaloid-rich (AP5F.ALC)
Chloroquineb
100