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Infectio

versão impressa ISSN 0123-9392

Resumo

PARDO, Ana Karina et al. Determination of antifungal activity of extracts of Lantana camara against Candida spp. Infect. [online]. 2011, vol.15, n.4, pp.235-242. ISSN 0123-9392.

Introduction: The aim of this study was to determine if Lantana camara extracts show antifungal activity against six Candida spp. species and one human isolate from primary origin. Methods: We extracted the total ethanol extracts by the percolation method and a chromatographic fractionation was carried out using solvents of different polarities. Functional groups were characterized by infrared spectroscopy. The antifungal activity was evaluated against six species of Candida spp. (C. albicans, C. dublinienses, C. krusei, C. guilliermondii, C. tropicalis, C. parapsilosis and a primary isolate of C. albicans). The growth inhibition test was performed in human serum and by observing growth curves at an absorbance of 600 nm. Results: Infrared spectroscopy confirmed the presence of flavonoids in the leaves and the stem of L. camara. A fraction from the stem inhibited C. dublinensis growth and another inhibited C. albicans and C. guillermondii growth. One fraction from the leaf inhibited C. krusei. Conclusions: Chromatographic fractions obtained from the stem and leaves of L. camara contained flavonoids with antifungal effect.

Palavras-chave : Candida albicans; plant extracts; anitifungal; Lantana camara.

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