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Title: Eficacia antibacteriana in vitro del extracto etanólico de plantago major al 50% sobre escherichia coli enteropatógena
Advisor(s): Zárate Arce, Marco Antonio
Issue Date: 2018
Institution: Universidad Privada Antenor Orrego - UPAO
Abstract: Objetivo: Evaluar la Eficacia antibacteriana in vitro del extracto etanólico de Plantago major al 50% sobre Escherichia coli enteropatógena. Material y método: Estudio de tipo experimental y prospectivo. Se utilizó el extracto etanólico del Plantago major “Llantén mayor” y Escherichia coli enteropatógena. Se ensayó una concentración de extracto etanólico al 50%, para determinar la susceptibilidad antibacteriana por halo de inhibición, la concentración mínima inhibitoria (CMI), expresada en ug/ml. Para determinar la eficacia antimicrobiana se realizó el método de comparación con ciprofloxacino. Resultados: Observamos que el extracto etanólico de Plantago major al 50% presentó eficacia antibacteriana in vitro sobre Escherichia coli enteropatógena. En relación a los halos de inhibición y comparado con la escala de Duraffourd (ANEXO 6), Escherichia coli enteropatógena mostró ser sumamente sensible a ciprofloxacino (40,87 mm) y muy sensible frente al extracto etanólico de Plantago major al 50% (15,53 mm). No se encontró crecimiento de colonias con el extracto etanólico del Plantago major al 50%, ni con el control. Conclusión: Demostramos que el extracto etanólico de Plantago major (llantén) al 50% presenta eficacia antibacteriana in vitro sobre Escherichia coli enteropatógena.

Objective: To evaluate the antibacterial efficacy in vitro of the ethanol extract of 50% Plantago major on enteropathogenic Escherichia coli. Material and method: Experimental and prospective type study. The ethanolic extract of the Plantago major “Llantén mayor“ and enteropathogenic Escherichia coli were used. A 50% ethanolic extract concentration was tested to determine the antibacterial susceptibility by inhibition halo, the minimum inhibitory concentration (MIC), expressed in ug / ml. To determine the antimicrobial efficacy, the comparison method with ciprofloxacin was performed. Results: We observed that the ethanol extract of Plantago major at 50% presented antibacterial efficacy in vitro on enteropathogenic Escherichia coli. In relation to the inhibition halos and compared with the Duraffourd scale (ANNEX 6), enteropathogenic Escherichia coli showed to be extremely sensitive to ciprofloxacin (40.87 mm) and very sensitive to the ethanol extract of 50% Plantago major (15, 53 mm). No growth of colonies was found with the ethanol extract of 50% Plantago major, nor with the control. Conclusion: We demonstrate that the ethanol extract of Plantago major (plantain) at 50% has antibacterial efficacy in vitro on enteropathogenic Escherichia coli. Palabras claves: Treatment Outcome, in vitro techniques, Plant extracts, Plantago major, Enteropathogenic Escherichia coli.
Discipline: Medicina Humana
Grade or title grantor: Universidad Privada Antenor Orrego. Facultad de Medicina Humana
Grade or title: Médico Cirujano
Register date: 3-May-2018



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