Characterization of polish wines produced from the interspecific hybrid grapes grown in south-east Poland
2018
Kapusta, Ireneusz | Cebulak, Tomasz | Oszmiański, Jan
The chemical characterization of 14 wines (six red and eight white) made from interspecific hybrids grown in Poland has been made. The study evaluated basic oenological parameters (acidity, pH, sugars content, alcohols content) as well as polyphenolics composition (UPLC-PDA-MS/MS) and antioxidant activity (ABTS, DPPH, FRAP, ORAC). Additionally, PCA was applied to differentiate tested wines. The content of total phenolics ranged from 74.79 mg/L (Musct Odesski) to 1860.8 mg/L (Regent). The red wines strongly differed in polyphenolics content, while white wine turned out to be similar to each other. Antioxidant activity was strongly correlated with total phenolics content (r ² = 0.98). However, antioxidant potential depended mainly on the type of polyphenolic group: anthocyanins and flavan-3-ols, respectively, in red and white wines.
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