Estudo químico e atividade antibacteriana do caule de Aristolochia esperanzae kuntze (Aristolochiaceae) Chemical study and antibacterial activity of stem of Aristolochia esperanzae Kuntze (Aristolochiaceae)

oleh: Alison G. Pacheco, Thiago M. Silva, Rozângela M. Manfrini, William S. T. Sallum, Lucienir Pains Duarte, Dorila Piló-Veloso, Antônio F. de C. Alcântara, Vagner F. Knupp

Format: Article
Diterbitkan: Sociedade Brasileira de Química 2010-01-01

Deskripsi

<abstract language="eng">From the ethanolic extract of the stem of A. esperanzae ethyl and methyl fatty acid esters, fatty acids, aristolochic I and II acids, and &#946;-cubebin were isolated. In addiction asarinin, populifolic and 2-oxo-populifolic acids, aristolactams AIa and AII, and sitosterol 3-O-&#946;-D-glucopyranoside were also isolated and firstly described in the species. Asarinin and &#946;-cubebin showed antibacterial activity against Bacillus cereus and aristolochic acid I against Staphylococcus aureus and Listeria monocitogenes.