Actividad antioxidante de extractos de cálices deshidratados de 64 variedades de jamaica (hibiscus sabdariffa l.) en función de fenólicos y antocianinas totales
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Abstract
La jamaica (Hibiscus sabdariffa L.) es una planta rica en compuestos bioactivos, tales como polifenoles, flavonoides, vitaminas, fibra y antocianinas.Se comercializa principalmente en forma de cálices deshidratados con los que se preparan infusiones acuosas que promueven efectos benéficos en la salud. El objetivo de este t rabajo fue evaluar la actividad antioxidante (actividad antir radical y capacidad de reducción de iones hierro) de los extractos acuosos de 64 variedades de jamaica, la concentración de compuestos bioactivos (compuestos fenólicos totales y antocianinas monoméricas totales) y la correlación que existe entre ellos. Se encontró que la actividad antioxidante de los extractos está principalmente correlacionada con laconcentración de antocianinas monoméricas totales y en menor medida con los compuestos fenólicos totales.
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