Antioxidant Activity and Phenolic Content of Microwave-assisted Solanum Melongena Extracts

Overview

Journal ScientificWorldJournal

Publisher Wiley

Specialty Biology

Date 2014 Apr 1

PMID 24683354

Citations 10

Authors

Loredana Salerno

Maria N Modica

Valeria Pittala

Giuseppe Romeo

Maria A Siracusa

Claudia Di Giacomo

Valeria Sorrenti

Rosaria Acquaviva

Affiliations

Soon will be listed here.

Abstract

Eggplant fruit is a very rich source of polyphenol compounds endowed with antioxidant properties. The aim of this study was to extract polyphenols from eggplant entire fruit, pulp, or skin, both fresh and dry, and compare results between conventional extraction and microwave-assisted extraction (MAE). The effects of time exposure (15, 30, 60, and 90 min) and solvent (water 100% or ethanol/water 50%) were also evaluated. The highest amount of polyphenols was found in the extract obtained from dry peeled skin treated with 50% aqueous ethanol, irradiated with microwave; this extract contained also high quantity of flavonoids and showed good antioxidant activity expressed by its capacity to scavenge superoxide anion and to inhibit lipid peroxidation.

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