Bioactivity of Flavonoids Isolated from Lychnophora markgravii against Leishmania amazonensis Amastigotes

Author:

Salvador Marcos José1,Sartori Fabiana Terezinha2,Sacilotto Ana Claudia B. C.2,Pral Elizabeth M. F.3,Alfieri Silvia Celina3,Vichnewski Walter24

Affiliation:

1. Curso de Farmácia, Instituto de Biologia, Departamento de Biologia Vegetal, Universidade Estadual de Campinas (UNICAMP), Caixa Postal 6109, CEP 13083-970, Campinas (SP), Brazil

2. Departamento de Química, Faculdade de Filosofi a, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo (USP), Avenida dos Bandeirantes, 14040-901, Ribeirão Preto (SP), Brazil

3. Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo (USP), Avenida Professor Lineu Prestes, 1374, 05508-900, São Paulo (SP), Brazil

4. Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Avenida do Café s/n, 14040-903, Ribeirão Preto (SP), Brazil

Abstract

The bioactivity of the flavonoids pinostrobin (1), pinocembrin (2), tectochrysin (3), galangin 3-methyl ether (4), and tiliroside (5) isolated from Lychnophora markgravii aerial parts was investigated in vitro against amastigote stages of Leishmania amazonensis. The compounds were isolated by several chromatographic techniques and their chemical structures were established by ESI-MS and NMR spectroscopic data. The flavonoids 1 and 3 were the most active compounds; they markedly reduced the viability of Leishmania amastigotes.

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

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