Actividad antimicrobiana in vitro de seis especies autóctonas de la Flora de Entre Ríos
; Gutkind, Gabriel Osvaldo
; Martino, Virginia Susana 
Otros responsables
Fecha
12/2007
Editorial
Colegio de Farmacéuticos de la Provincia de Buenos Aires
Revista
Acta Farmacéutica Bonaerense
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ISSN
0326-2383
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Los extractos de cinco plantas de la flora de Entre Ríos (Argentina), usadas como antisépticos en medicina popular, fueron ensayados frente a bacterias y hongos para la evaluación de sus actividades antimicrobianas mediante el método de difusión con discos. El extracto diclorometánico de Acanthospermum australe y de Polygonum punctatum y el extracto hidroalcohólico de Arctium minus fue activo contra Bacillus subtillis, Micrococcus luteus, Listeria monocytogenes y Staphylococcus aureus. El extracto diclorometánico de Tessaria integrifolia fue activo contra B. subtilis y S. aureus. El extracto metanólico de P. punctatum fue activo contra B. subtilis, M. luteus. L. monocytogenes y S. aureus. El extracto hidroalcohólico de A. australe evidenció actividad contra B. subtilis, M. luteus y S. aureus. El extracto metanólico de P. punctatum resultó activo contra Aspergillus níger y el extracto diclorometánico de P. punctatum contra Candida albicans y A. niger. Entre las especies de plantas ensayadas, los extractos de P. punctatum fueron los que presentaron el mayor espectro de actividad.
Extracts of five plants from Entre Ríos flora (Argentina) traditionally used in folk medicine as antiseptics for external use and/or in the treatment of diseases that could be related to microbial infections were selected for the evaluation of their antimicrobial activities using a disk diffusion test. Dichloromethane, methanolic, hydroalcoholic and aqueous extracts of all species were tested against a representative set of bacteria and fungi. Results showed the activity of the dichloromethane extracts of Acanthospermum australe and Polygonum punctatum and the hydroalcoholic extract of Arctium minus against Bacillus subtilis, Micrococcus luteus, Listeria monocytogenes and Staphylococcus aureus. The dichloromethane extract of Tessaria integrifolia was active against B.subtilis and S.aureus. The methanolic extract of P.punctatum was active against B.subtilis, M. luteus, L. monocytogenes and S.aureus. The hydroalcoholic extract of A. australe was active against B. subtilis, M. luteus and S. aureus. Antifungal evaluation showed that the methanolic extract of P. punctatum was active against Aspergillus niger and the dichloromethanic extract of P. punctatum was active against Candida albicans and A. niger. Within the tested plants, P. punctatum extracts displayed the broadest spectrum of activity.
Extracts of five plants from Entre Ríos flora (Argentina) traditionally used in folk medicine as antiseptics for external use and/or in the treatment of diseases that could be related to microbial infections were selected for the evaluation of their antimicrobial activities using a disk diffusion test. Dichloromethane, methanolic, hydroalcoholic and aqueous extracts of all species were tested against a representative set of bacteria and fungi. Results showed the activity of the dichloromethane extracts of Acanthospermum australe and Polygonum punctatum and the hydroalcoholic extract of Arctium minus against Bacillus subtilis, Micrococcus luteus, Listeria monocytogenes and Staphylococcus aureus. The dichloromethane extract of Tessaria integrifolia was active against B.subtilis and S.aureus. The methanolic extract of P.punctatum was active against B.subtilis, M. luteus, L. monocytogenes and S.aureus. The hydroalcoholic extract of A. australe was active against B. subtilis, M. luteus and S. aureus. Antifungal evaluation showed that the methanolic extract of P. punctatum was active against Aspergillus niger and the dichloromethanic extract of P. punctatum was active against Candida albicans and A. niger. Within the tested plants, P. punctatum extracts displayed the broadest spectrum of activity.
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