eCAM Advance Access originally published online on April 5, 2006
eCAM 2006 3(2):261-265; doi:10.1093/ecam/nel010
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Antimicrobial Activity of Indigofera suffruticosa
1 Departamento de Histologia e Embriologia do Centro de Ciências Biológicas da Universidade Federal de Pernambuco Recife-PE, Brazil, 2 Mestrando em Patologia Geral do Centro de Ciências da Saúde da Universidade Federal de Pernambuco Recife-PE, Brazil, 3 Doutoranda em Nutrição do Centro de Ciências da Saúde da Universidade Federal de Pernambuco Recife-PE, Brazil, 4 Departamento de Bioquímica do Centro de Ciências Biológicas da Universidade Federal de Pernambuco Recife-PE, Brazil, 5 Departamento de Centro de Ciências Biológicas da Universidade Federal de Pernambuco Recife-PE, Brazil, and 6 Departamento de Ciências Farmacêutica do Centro de Ciências da Saúde da Universidade Federal da Paraíba João Pessoa-PB, Brazil
Various organic and aqueous extracts of leaves of Indigofera suffruticosa Mill (Fabaceae) obtained by infusion and maceration were screened for their antibacterial and antifungal activities. The extracts were tested against 5 different species of human pathogenic bacteria and 17 fungal strains by the agar-solid diffusion method. Most of the extracts were devoid of antifungal and antibacterial activities, except the aqueous extract of leaves of I. suffruticosa obtained by infusion, which showed strong inhibitory activity against the Gram-positive bacteria Staphylococcus aureus with a minimal inhibitory concentration (MIC) of 5000 µg ml1. The MIC values to dermatophyte strains were 2500 µg ml1 against Trichophyton rubrum (LM-09, LM-13) and Microsporum canis. This study suggests that aqueous extracts of leaves of I. suffruticosa obtained by infusion can be used in the treatment of skin diseases caused by dermatophytes.
Keywords: antibacterial activity – antifungal activity – aqueous extract – Indigofera suffruticosa
For reprints and all correspondence: Sônia Pereira Leite, Laboratório de Cultura de Células II, Departamento de Histologia e Embriologia do Centro de Ciências Biológica da Universidade Federal de Pernambuco (UFPE). Cidade Universitária. Recife 50 670-420, Rua Alemanha 44 Apto 303 Imbiribeira Recife Pernambuco, Brazil. Tel: +55-81-21268515; Fax: +55-81-21268516; E-mail: spl{at}ufpe.br
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