Authentication of Riesling wines from the Czech Republic on the basis of the non-flavonoid phenolic compounds
| Autor: | P. Pavloušek, M. Kumšta |
|---|---|
| Rok vydání: | 2013 |
| Předmět: |
Wine
chemistry.chemical_classification Hydroxybenzoic acid 010401 analytical chemistry Flavonoid 04 agricultural and veterinary sciences 040401 food science 01 natural sciences Coutaric acid Protocatechuic acid 0104 chemical sciences Caftaric acid chemistry.chemical_compound 0404 agricultural biotechnology 4-Hydroxybenzoic acid chemistry Organic chemistry Food science Phenols Food Science |
| Zdroj: | Czech Journal of Food Sciences. 31:474-482 |
| ISSN: | 1805-9317 1212-1800 |
| DOI: | 10.17221/40/2013-cjfs |
| Popis: | Pavlousek P., Kumsta M. (2013): Authentication of Riesling wines from the Czech Republic on the basis of the non-flavonoid phenolic compounds . Czech J. Food Sci., 31 : 474–482. Eighteen non-flavonoid phenolic compounds comprising hydroxybenzoic acids, hydroxycinnamates, and stilbenes were analysed in 43 monovarietal wines originated from five wine-growing regions in the Czech Republic. The non-flavonoid phenolic compounds in wine were analysed by a HPLC method. The methods of multivariate statistical analysis were used for the wine discrimination on the basis of the geographical origin. The canonical discriminant analysis (CDA) proved the possibility to discriminate wines according to their provenance on the basis of the following parameters: protocatechuic acid, -hydroxybenzoic acid, caftaric acid, p -coutaric acid, p trans -resveratrol, and cis -resveratrol. On the basis of statistical analyses, 95.4% of the wine samples were correctly classified. The results therefore indicate that the non-flavonoid phenolic compounds can be used to discriminate the geographical origin of white wines. |
| Databáze: | OpenAIRE |
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