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Open AccessFeature PaperArticle
Pharmaceuticals 2016, 9(4), 63; doi:10.3390/ph9040063

Green Extraction from Pomegranate Marcs for the Production of Functional Foods and Cosmetics

Department of Pharmacy, University of Genoa, Viale Cembrano 4, I-16148 Genoa, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Dario Donno
Received: 3 August 2016 / Revised: 12 October 2016 / Accepted: 13 October 2016 / Published: 18 October 2016
View Full-Text   |   Download PDF [933 KB, uploaded 18 October 2016]   |  

Abstract

The aim of this study was to investigate the potential of retrieving polyphenolic antioxidants directly from wet pomegranate marcs: the fresh by-products obtained after pomegranate juice processing. These by-products mainly consist of internal membranes (endocarp) and aril residues. Even if they are still edible, they are usually discharged during juice production and, thus, they represent a great challenge in an eco-sustainable industrial context. Green technologies, such as ultrasound assisted extraction (UAE) and microwave assisted extraction (MAE), have been employed to convert these organic residues into recycled products with high added value. UAE and MAE were used both in parallel and in series in order to make a comparison and to ensure exhaustive extractions, respectively. Water, as an environmentally friendly extraction solvent, has been employed. The results were compared with those ones coming from a conventional extraction. The most promising extract, in terms of total polyphenol yield and radical scavenging activity, has been tested both as a potential natural additive and as a functional ingredient after its incorporation in a real food model and in a real cosmetic matrix, respectively. This study represents a proposal to the agro-alimentary sector given the general need of environmental “responsible care”. View Full-Text
Keywords: waste valorization; ultrasound-assisted extraction (UAE); microwave-assisted extraction (MAE); enriched foods and cosmetics waste valorization; ultrasound-assisted extraction (UAE); microwave-assisted extraction (MAE); enriched foods and cosmetics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Boggia, R.; Turrini, F.; Villa, C.; Lacapra, C.; Zunin, P.; Parodi, B. Green Extraction from Pomegranate Marcs for the Production of Functional Foods and Cosmetics. Pharmaceuticals 2016, 9, 63.

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