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Caracterización fisicoquímica y evaluación de la actividad antioxidante de propóleos recolectados en el departamento del Atlántico, Colombia

Physicochemical characterization and evaluation of antioxidant activity of propolis collected in the Atlántic department, Colombia
Authors: Rodríguez, Yeray; Sánchez-Catalán, Fredys; Rojano, Benjamín; Durango, Diego; Gil, Jesús; Marín-Loaiza, Juan;

Caracterización fisicoquímica y evaluación de la actividad antioxidante de propóleos recolectados en el departamento del Atlántico, Colombia

Abstract

Se realizó una comparación de las propiedades fisicoquímicas de los propóleos recolectados en los municipios de Galapa, Sabanalarga, Santo Tomás y Juan de Acosta, del departamento del Atlántico (Colombia). Adicionalmente, se estableció la actividad antioxidante in vitro de los extractos etanólicos de propóleos (EEP), mediante las técnicas de DPPH, ABTS, FRAP y ORAC. El análisis fisicoquímico de los propóleos mostró valores de 8,48 - 24,21%, 1,77 - 6,07%, 55,57 - 77,93%, 5,74 - 11,69% y 0,35 - 3,86%, para el EEP, ceras, insolubles, humedad y cenizas, respectivamente. La determinación para los fenoles totales, se encuentra entre 63,72 y 94,55mg, de ácido gálico/g de muestra. Las absorbancias específicas de los EEP estuvieron dentro del rango de 26 a 96 y el contenido de flavonoides totales mostró valores entre 1,90 y 3,36mg, de quercetina/g de muestra. De los extractos, el que presentó mayor capacidad antioxidante fue el propóleos, recolectado en el municipio de Galapa, con los siguientes valores DPPH: 190,41 TEAC (μmol/g), ABTS: 1918,41 TEAC (μmol/g) y FRAP: 321,27 AEAC (μmol/g) y el segundo valor más alto en ORAC (1964,80 μmol Trolox/g de propóleos). Los resultados obtenidos indican que los propóleos estudiados presentaron variación en las propiedades fisicoquímicas. Los valores de algunos de los parámetros fisicoquímicos estimados no cumplieron con las normativas de calidad establecidas internacionalmente; no obstante, los extractos etanólicos de propóleos evaluados presentaron un alto contenido de fenoles, los cuales, están relacionados con las propiedades antioxidantes encontradas experimentalmente.

Country
Colombia
Keywords

Medicine (General), Caracterización fisicoquímica, QH301-705.5, Propóleos, Agriculture (General), phenolic compounds, physicochemical properties, Capacidad antioxidante, caracterización fisicoquímica, Propolis, antioxidant properties, S1-972, compuestos fenólicos, R5-920, capacidad antioxidante, Fenol, Compuestos fenólicos, Biology (General), Caracterización fisicouímica

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    influence
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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!
4
Average
Average
Average
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gold