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Gaceta Médica Boliviana
Article . 2021
Data sources: DOAJ
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Efecto antibacteriano del extracto etanólico de Annona muricata sobre microorganismos de importancia clínica

Authors: Cinthya Yanina Santa Cruz López; José Gabriel Ayasta Senmache; Cinthya Yanina Castro Hernández; Fransk Amarildo Carrasco - Solano; Mario Moreno-Mantilla;

Efecto antibacteriano del extracto etanólico de Annona muricata sobre microorganismos de importancia clínica

Abstract

El incremento de cepas patógenas resistentes a fármacos convencionales ha limitado las opciones de tratamiento médico. Ante ello surge la necesidad de buscar alternativas terapéuticas. Muchas especies vegetales poseen un enorme potencial antimicrobiano que puede ser de gran utilidad. Objetivo: determinar el efecto antibacteriano in vitro del extracto etanólico de Annona muricata L. sobre Staphylococcus aureus, Streptococcus B – hemolíticos y Escherichia coli. Métodos: se evaluaron 135 unidades experimentales conformadas por 3 cepas de Staphylococcus aureus, Streptococcus B-hemolíticos y Escherichia coli, además de 5 concentraciones del extracto y 3 repeticiones del experimento. Para determinar el efecto antibacteriano in vitro se emplearon los métodos de disco difusión en agar y macrodilución en caldo. Se utilizó el extracto etanólico a concentraciones de 125, 250, 500, 750, 1000 mg/ml y solución salina fisiológica estéril como control negativo. Resultados: el extracto inhibió el crecimiento in vitro de Staphylococcus aureus y Streptococcus B-hemolíticos. La mayor inhibición se observó a 1 000 mg/ml con halos inhibitorios de 14,6 mm y 12,33 mm de diámetro, respectivamente. Para Escherichia coli no se observó la formación de halos inhibitorios. Las cepas de Streptococcus B-hemolíticos y Staphylococcus aureus presentaron una concentración mínima inhibitoria de 250 y 500 mg/ml, respectivamente. Conclusión: el efecto antibacteriano in vitro fue directamente proporcional a cada concentración empleada sobre Staphylococcus aureus y Streptococcus B-hemolíticos. En el caso Escherichia coli no se observó inhibición de crecimiento.

Keywords

Annoma muricata, plantas medicinales, Staphylococcus aureus, extractos vegetales, escherichia col, R, Streptococcus, Medicine

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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