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Title: Phenolic Analysis and In Vitro Biological Activity of Red Wine, Pomace and Grape Seeds Oil Derived from Vitis vinifera L. cv. Montepulciano d’Abruzzo
Authors: Mollica, Adriano
Scioli, Giuseppe
Della Valle, Alice
Cichelli, Angelo
Novellino, Ettore
Bauer, Marta
Kamysz, Wojciech
Llorent-Martínez, Eulogio J.
Fernández-de Córdova, María Luisa
Castillo-López, R.
Ak, Gunes
Zengin, Gokhan
Pieretti, Stefano
Stefanucci, Azzurra
Keywords: antioxidants; enzyme inhibition; grape pomace; seeds; phenolic compounds; anti-inflammatory potential; antimicrobial activity
Issue Date: 27-Oct-2021
metadata.dc.description.sponsorship: Grape pomace is commonly considered a waste product of monovarietal red wine production. Methods: HPLC-DAD analysis was performed to determine the polyphenol and flavonoid contents of all the extracts obtained from Montepulciano d’Abruzzo red wine and grape skins whereas, GC-MS was applied to the determination of fatty acid composition in grape seeds oil. Biological characterization involves antioxidant and antimicrobial assays for all the extracts and seeds oil; Their ability to inhibit -glucosidase, -amylase, -tyrosinase, and ChE enzymes was also detected, together with anti-inflammatory activity on wine, grape skin extracts, and seeds oil by lipoxygenase (5-LOX) and LPS-stimulated macrophage release assays. Data indicate significative polyphenols content (199.31 7.21 mgGAE/g), antioxidant (CUPRAC assay (1036.98 mgTE/g)), enzymatic inhibition ( -tyrosinase: 151.30 1.20 mgKAE/g) and anti-inflammatory activities for wine-organic extract 2, while the antimicrobial activity of grape skin decoction is higher than those reported by wine extracts on three bacterial strains. Interestingly only dealcoholized wine and wine-aqueous extract exerts inhibitory effects on -glucosidase (20.62 0.23 mmolACAE/g and 19.81 0.03 mmolACAE/g, respectively), while seeds oil is rich in oleic and linoleic acids. These results confirm the strong antioxidant properties of Montepulciano d’Abruzzo grape pomace, suggesting the potential use of this waste product as functional food supplements in the human diet and in cosmeceutics.
Publisher: MDPI
Citation: Antioxidants 2021, 10, 1704
Appears in Collections:DQFA-Artículos

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