antiprotozoal and molluscicidal activities of five brazilian plants. | leishmaniasis, chagas' disease and schistosomiasis (bilharzia) are parasitic diseases with wide distribution on the american continent, affecting millions of people. in the present study, biological assays for antiprotozoal and molluscicidal activities were carried out with ethanolic extracts of plant species from the brazilian part of the upper paraná river. crude extracts were obtained by percolation with absolute ethanol from the leaves of cayaponia podantha cogn., nectandra falcifolia (nees) ... | 2005 | 16302102 |