This thesis dealing with The influence of sulfur dioxide on on qualitative parameters of the wines was developer between 2014/2016 at the Department of Post Harvest Technology of Horticultural Products, Faculty of Horticulture, Mendel University in Brno. In this thesis was studied influence of sulfur dioxide on total polyphenols, which was measured by Folin-Ciocalteu and antioxidant capacity, which was measured by FRAP and DPPH. For this experiment were chosen two wines. The white wine was Rulandské bílé and the red wine was Svatovavřinecké. Doses of sulfur dioxide were applied at 0 mg/l, 25 mg/l, 50 mg/l, 75 mg/l, 100 mg/l. These doses are used in winemaking. Was found, that sulfur dioxide added to wine influence measured values of polyphenols and antioxidant capacity measured by FRAP and DPPH. Also was found, that system FRAP is more affected by sulfur dioxide, than system DPPH.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:363348 |
| Date | January 2016 |
| Creators | Varmuža, Radek |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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