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Influence of terroir on the concentration of selected stilbenes in wines of the cv. Riesling in the Czech Republic

Author

Listed:
  • M. Kumšta

    (Faculty of Horticulture, Mendel University in Brno, Lednice, Czech Republic)

  • P. Pavloušek

    (Faculty of Horticulture, Mendel University in Brno, Lednice, Czech Republic)

  • J. Kupsa

    (Faculty of Horticulture, Mendel University in Brno, Lednice, Czech Republic)

Abstract

The relationship between the terroir and the quality of grapes and/or wines is used in wine authenticity determination based on geographical origin. The phenolic compounds in grapes and wines are probably related to the terroir. The subject of the study was the analysis of 43 wines of the cv. Riesling from six wine-growing sub-regions, 16 different localities and four vintages to determine the content of trans-resveratrol, trans-piceid, cis-resveratrol and cis-piceid. The analyses were performed using an HPLC method. A relationship was observed between trans-resveratrol concentration in wines and wine-growing locality. The concentration of trans-resveratrol ranged from 0.04 to 0.82 mg/l with mean concentration of 0.28 mg/l. The highest concentrations of trans-resveratrol were found in wines from the localities Podmolí (0.66 mg/l), Hostěradice (0.64 mg/l and 0.82 mg/l), Mělník (0.59 mg/l) and Litoměřice (0.57 mg/l). Differences were also found in the relationship between trans-resveratrol and wine-growing sub-regions. Relationships between trans-piceid, cis-resveratrol or cis-piceid concentration and wine terroir were not demonstrated. The results of this study demonstrated the capability to differentiate the wine terroir using the trans-resveratrol concentrations.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlhor:v:39:y:2012:i:1:id:126-2010-hortsci
    DOI: 10.17221/126/2010-HORTSCI
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    References listed on IDEAS

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    1. K. Faitová & A. Hejtmánková & J. Lachman & V. Pivec & J. Dudjak, 2004. "The contents of total polyphenolic compounds and trans-resveratrol in white Riesling originated in the Czech Republic," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 22(6), pages 215-221.
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    Cited by:

    1. J. Lachman & Z. Kotíková & A. Hejtmánková & V. Pivec & O. Pšeničnaja & M. Šulc & R. Střalková & M. Dědina, 2016. "Resveratrol and piceid isomers concentrations in grapevine shoots, leaves, and tendrils," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 43(1), pages 25-32.
    2. 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.

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