Related Experiment Video
Updated: Aug 25, 2026

Valorization of the Red Seaweed Gracilaria gracilis Through a Biorefinery Approach
Published on: November 21, 2023
Antioxidant activity of Citrus paradisi seeds glyceric extract
Laura Giamperi1, Daniele Fraternale, Anahi Bucchini
1Istituto di Botanica e Orto Botanico Pierina Scaramella, Facoltà di Farmacia, Università degli Studi di Urbino, Via Bramante 28, 61029, Urbino, Italy.
Abstract:
The antioxidant activity of Citrus paradisi (grapefruit) seeds glyceric extract dissolved in ethanol and in aqueous media was evaluated using three different methods: evaluation by DPPH assay, by 5-lipoxygenase assay and by luminol/xanthine/xanthine oxidase chemiluminescence assay. The total phenolic content was determined by the Prussian Blue method opportunely modified. The grapefruit seeds glyceric extract utilized as aqueous solutions demonstrated antioxidant properties better than those displayed by alcoholic solutions.