The present work aimed at the recovery and characterization of polyphenolic compounds extracted from red grape pomace (Vitis vinifera L.), a winemaking by-product. Polyphenolic compounds of wet (WP) and dried (DP) red pomace were recovered by enzymatic digestions and ethanol-based extractions. Fungamyl and Celluclast enzymes were found to be the most effective in enhancing polyphenol release from WP. WP samples showed the highest capacity of releasing polyphenols with 2. h control 24°C and 2. h 1% Celluclast resulting as the best treatments. A significantly lower amount of polyphenols was recovered from DP most probably as a consequence of the pomace drying. The best extracts contained high amounts of total polyphenols, flavonoids, tannins and anthocyanins and exerted antioxidant and cholesterol-lowering activities. The results support the possibility of exploiting the extracts coming from grape processing by-products as ingredients for functional and innovative products in the nutraceutical, pharmaceutical or cosmetic fields.

Ferri, M., Bin, S., Vallini, V., Fava, F., Michelini, E., Roda, A., et al. (2016). Recovery of polyphenols from red grape pomace and assessment of their antioxidant and anti-cholesterol activities. NEW BIOTECHNOLOGY, 33(3), 338-344 [10.1016/j.nbt.2015.12.004].

Recovery of polyphenols from red grape pomace and assessment of their antioxidant and anti-cholesterol activities

FERRI, MAURA;Bin, Sofia;FAVA, FABIO;MICHELINI, ELISA;RODA, ALDO;BUCCHI, GIACOMO;TASSONI, ANNALISA
2016

Abstract

The present work aimed at the recovery and characterization of polyphenolic compounds extracted from red grape pomace (Vitis vinifera L.), a winemaking by-product. Polyphenolic compounds of wet (WP) and dried (DP) red pomace were recovered by enzymatic digestions and ethanol-based extractions. Fungamyl and Celluclast enzymes were found to be the most effective in enhancing polyphenol release from WP. WP samples showed the highest capacity of releasing polyphenols with 2. h control 24°C and 2. h 1% Celluclast resulting as the best treatments. A significantly lower amount of polyphenols was recovered from DP most probably as a consequence of the pomace drying. The best extracts contained high amounts of total polyphenols, flavonoids, tannins and anthocyanins and exerted antioxidant and cholesterol-lowering activities. The results support the possibility of exploiting the extracts coming from grape processing by-products as ingredients for functional and innovative products in the nutraceutical, pharmaceutical or cosmetic fields.
2016
Ferri, M., Bin, S., Vallini, V., Fava, F., Michelini, E., Roda, A., et al. (2016). Recovery of polyphenols from red grape pomace and assessment of their antioxidant and anti-cholesterol activities. NEW BIOTECHNOLOGY, 33(3), 338-344 [10.1016/j.nbt.2015.12.004].
Ferri, Maura; Bin, Sofia; Vallini, Veronica; Fava, Fabio; Michelini, Elisa; Roda, Aldo; Minnucci, Giordano; Bucchi, Giacomo; Tassoni, Annalisa...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/562827
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