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Antileishmanial and antifungal activity of plants used in traditional medicine in Brazil

2006; Elsevier BV; Volume: 111; Issue: 2 Linguagem: Inglês

10.1016/j.jep.2006.12.006

1872-7573

Fernanda Gambogi Braga, Maria Lúcia Morcef Bouzada, Rodrigo Luiz Fabri, Magnum de Oliveira Matos, Francis O. Moreira, Elita Scio, Elaine Soares Coimbra,

Toxin Mechanisms and Immunotoxins

The antileishmanial and antifungal activity of 24 methanol extracts from 20 plants, all of them used in the Brazilian traditional medicine for the treatment of several infectious and inflammatory disorders, were evaluated against promastigotes forms of two species of Leishmania (L. amazonensis and L. chagasi) and two yeasts (Candida albicans and Cryptococcus neoformans). Among the 20 tested methanolic extracts, those of Vernonia polyanthes was the most active against L. amazonensis (IC50 of 4 μg/ml), those of Ocimum gratissimum exhibited the best activity against L. chagasi (IC50 of 71 μg/ml). Concerning antifungical activity, Schinus terebintifolius, O. gratissimum, Cajanus cajan, and Piper aduncum extracts were the most active against C. albicans (MIC of 1.25 mg/ml) whereas Bixa orellana, O. gratissimum and Syzygium cumini exhibited the best activity against C. neoformans (MIC of 0.078 mg/ml).