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Estudio tóxicológico y actividad antibacteriana de hojas de Calathea lutea

Authors: Apagüeño Arévalo, Claudio Adriano; Tamani Guerra, Darwin Luciano;

Estudio tóxicológico y actividad antibacteriana de hojas de Calathea lutea

Abstract

El presente trabajo tuvo como objetivo evaluar y determinar la toxicidad y la actividad antibacteriana del extracto acuoso de las hojas de Calathea lutea “Bijao”; para desarrollar la investigación se utilizó hojas de C. lutea “Bijao” que fueron recolectadas en el distrito de Indiana. Se realizó un estudio experimental, prospectivo y longitudinal. Para determinar la toxicidad se utilizó el método de Clases Tóxicas Agudas, descrito por la Normativa N°423 de la OECD, en el cual se realizaron pruebas en ratones albinos a dosis de 2000 mg/kg PC, 200 mg/kg PC y 25 mg/kg PC durante 14 días, en esta prueba se utilizaron: el extracto acuoso de C. lutea “Bijao” y ratones albinos Mus musculus balb/C del sexo macho, fueron asignados 12 ratones aleatoriamente con peso promedio de 28,7 g y divididos en 4 grupos: 1 grupo control negativo y 3 grupos experimentales; se administró por vía oral, previo ayuno de 12 horas a dosis única y se registró el peso corporal de los ratones el día cero, siete y catorce, según los resultados del extracto acuoso de hojas de C. lutea “Bijao” no tiene efecto tóxico o nocivos en los animales de experimentación, en la observación macroscópica de los órganos no se presentó alteración alguna. Con respecto a la actividad biológica se utilizó el método de difusión en agar o disco frente a Staphylococcus aureus, Escherichia coli y Pseudomonas aeruginosa. Se utilizaron como controles positivos los antibióticos meropenem, ciprofloxacino, gentamicina y vancomicina, obteniendo resultados que, a concentraciones de 1300 mg/mL, 1500 mg/mL, y 1700 mg/mL del extracto acuoso de las hojas de C. lutea no presenta actividad biológica frente a las bacterias en mención.

The present work aimed to evaluate and determine the toxicity and antibacterial activity of the aqueous extract of the leaves of Calathea lutea "Bijao"; C. lutea “Bijao” leaves were used to develop the research and were collected in the Indiana district. An experimental, prospective cross-sectional study was conducted. To determine the toxicity, the Acute Toxic Classes method was used, described by OECD Standard No. 423, in which tests were performed on albino mice at a dose of 2000 mg/kg CP, 200 mg/kg CP and 25 mg/kg PC for 14 days, in this test were used: the aqueous extract of C. lutea “Bijao” and albino mice Mus musculus balb/C of the male sex, 12 mice were randomLy assigned with an average weight of 28.7 g and divided into 4 groups: 1 negative control group and 3 experimental groups; it was administered orally, after fasting for 12 hours at a single dose and the body weight of the mice was recorded on day zero, seven and fourteen, according to the results of the aqueous extract of C. lutea leaves “Bijao” has no toxic effect or harmful in experimental animals, there was no alteration in the gross observation of the organs. Regarding biological activity, the method of diffusion in agar or disk was used against Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa. The antibiotics meropenem, ciprofloxacin, gentamicin and vancomycin were used as positive controls. Obtaining results that, at concentrations of 1300 mg/mL, 1500 mg/mL, and 1700 mg/mL of the aqueous extract of the leaves of C. lutea do not present biological activity against the bacteria in question.

Keywords

Hojas, Bijao, Calathea lutea, Agentes antibacterianos, Efectos tóxicos, http://purl.org/pe-repo/ocde/ford#3.01.05

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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!
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