Fig. 1. : effect of Piper aduncum essential oil (PaEO) on Trypanosoma cruzi. Dose-response curves showing the inhibitory effect of PaEO on T. cruzi metacyclic trypomastigotes (meta), cell-derived trypomastigotes (try) and intracellular amastigotes (ama). Fa = Fraction of affected cells (ratio to untreated control).
