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Plots showing inhibition of 3H-hypoxanthine (3H-HPO) uptake by P. falciparum (strain Dd2) by aqueous (1), ethanolic (2), chloroform (3) and ethyl acetate (4) extracts of TP and PA. Incubations were performed as described by Desjardins et al13 with each well containing 2.3 × 107 of chloroquine-resistant P. falciparum infected RBCs at a parasitemia of 1.5%. Parasite infected RBCs were treated with different concentrations of the plant extracts ranging from 1.9 to 500µg/ml.
