Dias CR, Leite CA, de Oliveira LE

Idioma: Ingles.
Referencias bibliográficas: 34
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RESUMEN

Introducción: es necesaria la introducción de nuevos agentes antimicrobianos por el surgimiento de especies de Candida albicans y no albicans resistentes a los agentes terapéuticos disponibles .El objetivo del estudio fue evaluar la actividad antifúngica del aceite esencial de Cinnamomum zeylanicum Blume aislado y asociado con nistatina sobre cepas Candida tropicalis y Candida krusei.
Métodos: se realizó una investigación experimental de laboratorio. La concentración mínima inhibitoria fue determinada utilizando el método de microdilución, y la concentración inhibitoria fraccionada se usó para determinar los posibles efectos sinérgicos de la asociación. Para las pruebas fueron utilizadas las cepas de C. tropicalis ATCC 40147 y C. krusei ATCC 40042. Se usaron el aceite esencial de C. zeylanicum y nistatina. Cuando fueron evaluados por separado presentaron la concentración mínima inhibitoria de 312,5 µg/mL y de 64 µg/mL, respectivamente, sobre ambas cepas ensayadas.
Resultados: una vez asociados, la concentración mínima inhibitoria fue de 39 µg/mL para el aceite esencial y de 32 µg/mL para la nistatina. El valor de la concentración inhibitoria fraccionada para ambas cepas probadas fue de 0,6024, lo que indica adicción del efecto inhibidor sobre el crecimiento de hongos.
Conclusiones: los resultados indican que el aceite esencial de C. zeylanicum tiene actividad antifúngica frente a las cepas de Candida no albicans y que la asociación del mismo con la nistatina promueve la potenciación de este efecto.

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