Plant species of the genus Piper are widely distributed throughout the Colombian territory.
Eleven Piper spp. essential oils (EO1–EO11) were chemically characterized and tested …

The biotrasformation of the tetrahydrofuran lignan,(-)-grandisin, by the endophitic fungus
Phomopsis sp, obtained from Viguiera arenaria, led to the formation of a new compound …

Abstract A novel and rare 1, 4-dehydrated ceramide, embelamide (1), and a new C-
glycoalkaloid which is based on a β-carboline ring system, 1-(2′-deoxy-α-d-ribopyranosyl) …

The essential oils, obtained by hydrodistillation, from leaf samples of four Piper species (P.
arboreum, P. crassinervium, P. dilatatum and P. tuberculatum), harvested at the State of …

Abstract The State of Parana has a diversity of plants that are used in the traditional
medicine and among them are some of the representatives of the Piperaceae family. Piper is …

A atividade biológica do extrato bruto e as várias frações obtidas de folhas de Piper regnellii
(Miq.) C. DC. var. pallescens (C. DC.) Yunck foi avaliada em Leishmania amazonensis. Este …

Leishmaniasis and Chagas disease are parasitic protozoan infections that affect the poorest
population in the world, causing high mortality and morbidity. As a result of highly toxic and …

American trypanosomiasis (Chagas disease) continues to be a significant public health
problem, and the therapeutic potential of current antichagasic agents (nifurtimox and …

The currently available treatments for Chagas disease show limited therapeutic potential
and are associated with serious side effects. Our group has been attempting to find …

Protozoan tropical diseases cause great suffering throughout developing countries, with
high rates of morbidity and mortality. American Trypanosomiasis affects 16-18 million people …