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Actividad antioxidante de un aceite vegetal enriquecido con la microalga cultivada Dunaliella salina (Chlorophyceae)

Authors: Guevara, Miguel; Zapata-Vívenes, Edgar; León, María; Acosta, Mercedes;

Actividad antioxidante de un aceite vegetal enriquecido con la microalga cultivada Dunaliella salina (Chlorophyceae)

Abstract

Dunaliella salina (Chlorophyceae) es una microalga que contiene un porcentaje considerable de pigmentos, en especial acumula niveles significativos de β-carotenos; compuestos que poseen alto poder antioxidante. En esta investigación, se evaluó la capacidad antioxidante de un aceite vegetal de soya enriquecido con D. salina. La biomasa de una cepa hipercarotenogénica de D. salina (previamente seleccionada) fue mezclada y macerada con el aceite vegetal comestible. Seguidamente, el aceite fue filtrado y almacenado a 23±1°C durante 28 días. El contenido de β­-caroteno, así como la actividad antioxidante, del aceite enriquecido con la microalga fueron cuantificados durante distintos períodos de almacenamientos (0, 7, 14, 21 y 28 días), en contraste con un aceite testigo y una mezcla con un antioxidante referencial. Los resultados evidenciaron que el aceite comestible tratado con biomasa de D. salina mantuvo contenidos de β-caroteno de 2,1 µg/L y una actividad antioxidante de 45,6 % con respecto al aceite testigo. Esta investigación demostró el potencial antioxidante del aceite vegetal comestible enriquecido con β-caroteno obtenido de D. salina, sugiriendo su uso como alternativa para mejorar la vida útil de aceites vegetales.

Keywords

antioxidant, Economic biology, Ecology, β-caroteno, antioxidante, Aceite, microalgae, QH705-705.5, oil, microalga, Oil, G, β-carotene, Geography. Anthropology. Recreation, Microalgae, Antioxidante, Antioxidant, QH540-549.5, aceite, Microalga

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selected citations
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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).
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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.
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