Antioxidant properties and resveratrol content of Polish Regent wines from Podkarpacie region

Sabina Bednarska, Aneta Dabrowa, Joanna Kisala and Idalia Kasprzyk
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Sabina Bednarska: Department of Biochemistry and Cell Biology, Faculty of Biotechnology, University of Rzeszow, Poland
Aneta Dabrowa: Department of Biochemistry and Cell Biology, Faculty of Biotechnology, University of Rzeszow, Poland
Joanna Kisala: Department of Medicinal Chemistry and Nanomaterials, Faculty of Biotechnology, University of Rzeszow, Poland
Idalia Kasprzyk: Department of Environmental Monitoring, Faculty of Biotechnology, University of Rzeszow, Poland

Czech Journal of Food Sciences, 2019, vol. 37, issue 4, 252-259

Abstract: The antioxidant properties of cool-climate Regent wines from Podkarpacie region, Poland were investigated. Total polyphenols, total flavonoids, total monomeric anthocyanins, trans-resveratrol concentration, radical scavenging ability using 1,1-diphenyl-2-picryl-hydrazyl (DPPH) and total antioxidant capacity with TEAC and FRAP methods were measured. The average contents of the compounds determined for Regent wines were comparable to the respective data available in literature found for warm-climate wines. Correspondence Analysis of the data revealed the relation of total polyphenols content and antioxidant capacity and radical scavenging ability of studied wines, and in lesser extent correlation with total flavonoids content. The total monomeric anthocyanins content and resveratrol concentration were poorly related to the total polyphenols content and antioxidant capacity.

Keywords: antioxidant capacity; Polish winemaking; polyphenols; Regent grapevine; resveratrol; wine (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:37:y:2019:i:4:id:222-2018-cjfs

DOI: 10.17221/222/2018-CJFS

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