Antioxidant activity of olive oil mill wastewater obtained from different thermal treatments

A. M. Giuffrè; V. Sicari; A. Piscopo; L. Louadj

doi:10.3989/gya.096311

Autores/as

A. M. Giuffrè Department of Biotechnologies for Agricultural Food and Environmental Monitoring (Bio.M.A.A.), Mediterranean University of Reggio Calabria
V. Sicari Department of Biotechnologies for Agricultural Food and Environmental Monitoring (Bio.M.A.A.), Mediterranean University of Reggio Calabria
A. Piscopo Department of Biotechnologies for Agricultural Food and Environmental Monitoring (Bio.M.A.A.), Mediterranean University of Reggio Calabria
L. Louadj Department of Biotechnologies for Agricultural Food and Environmental Monitoring (Bio.M.A.A.), Mediterranean University of Reggio Calabria

DOI:

https://doi.org/10.3989/gya.096311

Palabras clave:

Alpechín, Capacidad antioxidante, Polifenoles, Radical DPPH

Resumen

En la industria alimentaria, el alpechín se considera un subproducto debido a la presencia de compuestos bioestáticos, con una alta tasa de contaminación, particularmente los fenoles. Además, durante el procesado de la aceituna, la generación de una gran cantidad de este subproducto supone un problema ecológico y económico para los productores. Es importante la reutilización de este agua de desecho para obtener compuestos útiles. Para purificar el agua de desecho es necesario el desarrollo de operaciones que modifiquen su contenido orgánico, para poder obtener agentes fertilizantes y/o recuperar sustancias con un alto valor añadido como los compuestos fenólicos, que actualmente están reconocidos científicamente como moléculas con una elevada actividad antioxidante. Se realizó un análisis cromatográfico de dichos compuestos para caracterizar las diferentes concentraciones en el alpechín, y posteriormente se determinó el poder reductor de los extractos. El tratamiento térmico del alpechín en rotavapor y en estufa incrementó la eficiencia en la captura de radicales. Estos resultados pueden correlacionarse con la posibilidad de recuperar y reutilizar este tipo de desecho debido a sus propiedades antioxidantes.

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Citas

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