Antibacterial Activities of Essential Oils from Three Medicinal Plants in Combination with EDTA against Methicillin-resistant Staphylococcus aureus

Armas, Juan Rojas; Quiroz, Julio Ruiz; Román, Robert Almonacid; Sánchez, José Ortiz; Pacheco, Mercedes Puca; Valdivia, Luz; Rivera, Emilio; Asmat, Roberto Jesús Chávez; Anampa, Andrea

doi:10.9734/bmrj/2016/29666

BMRJ

2016

DOI: 10.9734/bmrj/2016/29666

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Antibacterial Activities of Essential Oils from Three Medicinal Plants in Combination with EDTA against Methicillin-resistant Staphylococcus aureus

Juan Rojas Armas

Julio Ruiz Quiroz

Robert Almonacid Román

et al.

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Cited by 6 publications

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“…Según Choque et al 7 , Bolivia ofrece una gran diversidad de plantas medicinales, con aproximadamente 3 000 especies identificadas, entre ellas la Minthostachys mollis más conocida con el nombre de muña, que en investigaciones realizadas por Armas et al 8 , y Campo et al 9 , atribuyen que el aceite esencial de esta planta posee efecto antibacteriano y antimicótico.…”

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Actividad antibacteriana in vitro del extracto y aceite esencial de hojas de Muña (Minthostachys mollis)

Velarde Negrete,

Escobar Hinojosa,

Moya Pucho

et al. 2024

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Objetivo: comparar la actividad antibacteriana in vitro del extracto, aceite esencial de hojas de muña (Minthostachys mollis), ciprofloxacina, doxiciclina y amoxicilina frente a dos géneros y cinco cepas bacterianas patógenas. Materiales y métodos: estudio experimental, enfoque cuantitativo, actividad antibacteriana determinada por el método modificado de pozos en agar de Kirby-Bauer. Resultados: el rendimiento del aceite esencial fue 1,19%. Las medias de los halos de inhibición del aceite esencial al 100% frente al S. aureus fue 27 mm mayor al extracto y la doxiciclina; sumamente sensible ≥ 20 mm contra el género Proteus spp, y cepas de K. pneumoniae, E coli, P. aeruginosa; además, fue más efectivo con 17 mm frente al género Enterobacter spp, y la cepa E. faecalis con relación a los ≤ 12,8 mm del extracto y los controles positivos. Así mismo, existe diferencias estadísticamente significativas en las medias de los halos de inhibición en al menos 2 de los grupos analizados con un p <0,05 y 95% de confianza, del ANOVA de un factor de Tukey y de Kruskal-Wallis. Conclusiones: el aceite esencial de muña al 100% presentó mayor actividad inhibitoria frente al género Proteus spp, y cepas de K. pneumoniae, E coli, P. aeruginosa que el extracto, doxiciclina y amoxicilina. Así mismo, la inhibición fue mayor contra el género Enterobacter spp, y la cepa E. faecalis en comparación a los demás tratamientos utilizados.

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unclassified

Actividad antibacteriana in vitro del extracto y aceite esencial de hojas de Muña (Minthostachys mollis)

Velarde Negrete,

Escobar Hinojosa,

Moya Pucho

et al. 2024

GMB

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Growth, fillet composition, hematological parameters and disease resistance of juvenile Brycon amazonicus fed diets supplemented with essential oil of Minthostachys mollis

Fernández-Mendez,

Chate Benites,

Espinoza Ortiz

et al. 2023

Aquacult Int

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Potential Toxicity of the Essential Oil from Minthostachys mollis: A Medicinal Plant Commonly Used in the Traditional Andean Medicine in Peru

Rojas-Armas

Arroyo-Acevedo

Ortiz-Sánchez

et al. 2019

Journal of Toxicology

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Medicinal plants are used throughout the world and the World Health Organization supports its use by recommending quality, safety and efficacy. Minthostachys mollis is distributed in the Andes of South America and is used by the population for various diseases. While studies have shown their pharmacological properties, the information about their safety is very limited. Then, the goal of this research was to determine the acute oral toxicity and in repeated doses during 28 days of Minthostachys mollis essential oil (Mm-EO) in rats. For the acute toxicity test two groups of rats, of three animals each, were used. Each group received Mm-EO in a single dose of 2000 or 300 mg/kg of body weight. For the repeated dose toxicity test, four groups of 10 rats each were used. Doses of 100, 250 and 500 mg/kg/day were used, one group was control. With the single dose of Mm-EO of 2000 mg/kg of body weight, the three rats in the group showed immediate signs of toxicity and died between 36 and 72 hours. In the lung, inflammatory infiltrate was observed, predominantly lymphocytic with severe hemorrhage and presence of macrophages with hemosiderin. In the repeated dose study, male rats (5/5) and female rats (2/5) died at the dose of 500 mg/kg/day. The body weight of both male and female rats decreased significantly with doses of 250 and 500 mg/kg/day. The serum levels of AST and ALT increased significantly and the histopathological study revealed chronic and acute inflammatory infiltrate in the lung; while in the liver was observed in 80% of the cases (24/30) mild chronic inflammatory infiltrate and in some of those cases there was vascular congestion and in one case cytoplasmic vacuolization. The Mm-EO presented moderate acute oral toxicity, while with repeated doses for 28 days; there was evidence of toxicity, in a dose-dependent manner, mainly at the hepatic level.

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Antibacterial Activities of Essential Oils from Three Medicinal Plants in Combination with EDTA against Methicillin-resistant Staphylococcus aureus

Cited by 6 publications

References 6 publications

Actividad antibacteriana in vitro del extracto y aceite esencial de hojas de Muña (Minthostachys mollis)

Actividad antibacteriana in vitro del extracto y aceite esencial de hojas de Muña (Minthostachys mollis)

Growth, fillet composition, hematological parameters and disease resistance of juvenile Brycon amazonicus fed diets supplemented with essential oil of Minthostachys mollis

Potential Toxicity of the Essential Oil from Minthostachys mollis: A Medicinal Plant Commonly Used in the Traditional Andean Medicine in Peru

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