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A case of cognac adulteration

Ein Beispiel für die Verfälschung von Cognac

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Zusammenfassung

Die Linear-Discriminanz-Analyse von GLC-Aromagramm-Daten wird zur Klassifizierung von Weindestillaten wie Cognac, Armagnac und Brandy verwendet. In dieser Arbeit werden mit dieser Methode Verfälschungen nachgewiesen, die durch die Gegenwart der Ethylester der Heptansäure und des Limonen belegt werden konnten. Diese Substanzen wurden mit der Purge- und Trap-Methode erfaßt und massenspektrometrisch identifiziert.

Summary

Linear discriminant analysis of GLC-aromagram data is used to separate several classes of wine distillates, namely cognac, armagnac and brandy. In this paper we demonstrate how this method was used to detect adulteration. The adulteration was confirmed by the presence of ethyl heptanoate and limonene, which are well-known flavour compounds. They were analysed by means of a Purge and Trap headspace technique. Mass spectrometry was used to identify these flavours.

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Authors and Affiliations

  1. Governmental Food Inspection Service, Hoogte Kadijk 401, NL-1018 BK, Amsterdam, The Netherlands

    Henk A. van der Schee, Willy B. H. Kennedy, Jan-Paul Bouwknegt & Renske Hittenhausen-Gelderblom

Authors
  1. Henk A. van der Schee
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  2. Willy B. H. Kennedy
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  3. Jan-Paul Bouwknegt
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  4. Renske Hittenhausen-Gelderblom
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van der Schee, H.A., Kennedy, W.B.H., Bouwknegt, JP. et al. A case of cognac adulteration. Z Lebensm Unters Forch 188, 11–15 (1989). https://doi.org/10.1007/BF01027615

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  • DOI: https://doi.org/10.1007/BF01027615

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