Antioxidant activity of selected Spanish wines in corn oil emulsions.

Abstract Text

Wines contain phenolic compounds that may be useful for preventing lipid oxidation as dietary antioxidants. This study was aimed at evaluating the antioxidant activity in corn oil emulsions of seventeen selected Spanish wines and two California wines. The inhibition of hydroperoxide formation at 10 microM gallic acid equivalents (GAE) varied from 8.4% to 40.2% with the red wines, from 20.9% to 45.8% with the rosé wines, and from 6.5% to 47.0% with the white wines. The inhibition of hydroperoxide formation at 20 microM GAE varied from 11.9% to 34.1% with the red wines, from 0.1% to 34. 5% with the rosé wines, and from 3.3% to 37.2% with the white wines. The inhibition of hexanal formation at 10 microM GAE varied from 23. 6% to 64.4% with the red wines, from 42.7% to 68.5% with the rosé wines, and from 28.4% to 68.8% with the white wines. The inhibition of hexanal formation at 20 microM GAE varied from 33.0% to 46.3% with the red wines, from 11.3% to 66.5% with the rosé wines, and from -16.7% to +21.0% with the white wines. The antioxidant effect decreased with increasing concentration. This antioxidant activity was related to the five main groups of phenolic compounds identified in wines by HPLC. The relative antioxidant activity correlated positively with the total phenol content of wines (by the Folin-Ciocalteu method and by HPLC), benzoic acids, anthocyanins, flavan-3-ols, and flavonols, for the inhibition of hydroperoxides and hexanal at 10 and 20 microM GAE.

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2016-09-03 09:45:16

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Citation:- Sánchez-Moreno C, Satué-Gracia C, Frankel C, .Antioxidant activity of selected Spanish wines in corn oil emulsions. Journal of agricultural and food chemistry 2000-Nov;48()5581-7 DOI:



Details of Journal

Journal Title - Journal of agricultural and food chemistry

ISSN - 0021-8561

Volume - 48

Issue - 11

Publish date - 2000-Nov

Language - eng

Country - UNITED STATES


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