In vitro antileishmanial and antitrypanosomal activities of flavanones from Baccharis retusa DC. (Asteraceae)

► Flavonoids sakuranetin and naringenin were isolated from Baccharis retusa. ► These compounds were evaluated in vitro against Leishmania spp. and Trypanosoma cruzi. ► Sakuranetin presented activity against Leishmania spp. as well as against T. cruzi. ► Naringenin and sakuranetin-4′-methyl ether did not show antiparasitic activity.