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Varietal differentiation of white wines on the basis of phenolic compounds profile

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  • Lubomír Lampíř

    (Department of Horticulture, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic)

Abstract

The authenticity of grapevine varieties is a very important topic in the Czech Republic, where varietal wines is very important for wine drinkers. The wines from 7 grapevine varieties were investigated. Sixteen phenolic compounds belonging among hydroxybenzoic and hydroxycinnamic acids, stilbenes, and flavan-3-ols were analysed by HPLC method. The aim of this study was to find markers of varietal origin of wines among the phenolic compounds studied. The analytical parameters obtained were evaluated for this purpose by CVA (canonical varietal analysis) method. It proved to be successful in detecting the following grapevine variety authenticity markers: hydroxycinnamic acids (i.e. p-coutaric acid and caftaric acid), hydroxybenzoic acids (protocatechuic acid and syringic acid), and flavan-3-ols ((-)-epicatechin and (+)-catechin).

Suggested Citation

  • Lubomír Lampíř, 2013. "Varietal differentiation of white wines on the basis of phenolic compounds profile," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 31(2), pages 172-179.
    • Handle: RePEc:caa:jnlcjf:v:31:y:2013:i:2:id:270-2012-cjfs
    DOI: 10.17221/270/2012-CJFS
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    References listed on IDEAS

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    1. M. Kumšta & P. Pavloušek & J. Kupsa, 2012. "Influence of terroir on the concentration of selected stilbenes in wines of the cv. Riesling in the Czech Republic," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 39(1), pages 38-46.
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