<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Samples of commercially available Romanian wines were analyzed in order to determine total phenols content and the antioxidant activity. The content of total phenolics in the extracts was determined according to the Folin-Ciocalteu method and calculated as gallic acid equivalents (mg GAE/100g). Antiradical activities of the extracts were evaluated by a micro assay using 1, 1¢-diphenyl-2-picrylhydrazyl spectrophotometric method. Wine characteristics measurements were examined by multivariate data analysis, using principal component analysis (PCA). Total polyphenol content was correlated to the antioxidant activity of the studied wine samples. The values of the inhibition power of free radical, PI%, are ranging between 1.68 for white wine and 0.95 for red wine (“Bull blood” bottled by Tohani winery, Prahova, Romania).</p></abstract>

Samples of commercially available Romanian wines were analyzed in order to determine total phenols content and the antioxidant activity. The content of total phenolics in the extracts was determined according to the Folin-Ciocalteu method and calculated as gallic acid equivalents (mg GAE/100g). Antiradical activities of the extracts were evaluated by a micro assay using 1, 1¢-diphenyl-2-picrylhydrazyl spectrophotometric method. Wine characteristics measurements were examined by multivariate data analysis, using principal component analysis (PCA). Total polyphenol content was correlated to the antioxidant activity of the studied wine samples. The values of the inhibition power of free radical, PI%, are ranging between 1.68 for white wine and 0.95 for red wine (“Bull blood” bottled by Tohani winery, Prahova, Romania).

Evaluation of the antioxidant activity of some types of red and white wines

Stefan cel Mare University of Suceava, Romania, Faculty of Food Engineering, 13th University Street, Suceava, Romania

Ovidius University Annals of Chemistry

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Evaluation of the antioxidant activity of some types of red and white wines"}

Samples of commercially available Romanian wines were analyzed in order to determine total phenols content and the antioxidant activity. The content of total...

Evaluation of the antioxidant activity of some types of red and white wines

Online veröffentlicht: 20. Dez. 2014

Seitenbereich: 65 - 70

Eingereicht: 06. Mai 2014

DOI: https://doi.org/10.2478/auoc-2014-0012

Schlüsselwörter
wines, free radical scavenging activities, antioxidant activity, health promotion, phenolic

© Ovidius University Press

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Evaluation of the antioxidant activity of some types of red and white wines

Online veröffentlicht: 20. Dez. 2014

Seitenbereich: 65 - 70

Eingereicht: 06. Mai 2014

DOI: https://doi.org/10.2478/auoc-2014-0012

Schlüsselwörterwines, free radical scavenging activities, antioxidant activity, health promotion, phenolic

© Ovidius University Press

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
wines, free radical scavenging activities, antioxidant activity, health promotion, phenolic