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Studie obsahu antioxidačních komponent u dealkoholizovaných vín
Hrnčirík, Miroslav
Our work was focused on the study of antioxidant ingredients contained in dealcoholised selected wines. For the experiment, three were selected samples of white, pink, three and three red wines, each of the values alcohol 0,1 %, 5 % and 12 % alcohol. Using a high-performance liquid chromatography were identified important antioxidants, specifically gallic acid, vanillic acid, syringic acid, caftaric acid, caffeic acid, p-coumaric acid, fertaric acid, ferulic acid, catechin, epicatechin, cis-resveratrol, rutin, quercitrin, tyrosol and quercetin. Spectrophotometry was also used for the determination of antioxidant activity, contents of total polyphenols, flavonoids and hydroxycinnamic acids. The results of this study can be said that the content of antioxidant components in dealcoholised wines and a "normal" order of the wines was similar values.

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2 Hrnčiřík, Matej
1 Hrnčiřík, Michal
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