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A simple method for automated pretreatment of usable chromatographic profiles in pattern-recognition procedures: application to HPAEC–PAD chromatograms of honeys

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Abstract

In this article a simple method for automated pretreatment of chromatograms is presented. The resulting data matrix can be used as input for multivariate statistical analysis. Application of this method to high-performance anion-exchange chromatography–pulsed amperometric detection (HPAEC–PAD) chromatograms of honeys before canonical discriminant analysis results in very good performance in the data reduction with regard to the preservation of the original information content of the data. This pretreatment of the chromatogram allows for the use of all the peaks corresponding to the sugars present in the sample. This results in a high-quality discrimination between honeys of various types. A versatile program has been developed to apply this method. This serves as a starting point for software suited for food characterization and adulteration detection by semi-automatic pattern recognition applied to chromatographic analysis.

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Notes

  1. OIE: Office International des Epizooties; FAO: Food and Agriculture Organization.

  2. COFRAC: COmité FRançais d'ACréditation, member of International Accreditation Forum (IAF: http://www.iaf.nu )

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Acknowledgments

We thank the referees for useful suggestions, which helped us to improve the manuscript. Dr Tom Forrest, Dalhousie University, Halifax Canada and Marguerite McQuire are also gratefully acknowledged for their help with linguistic revision of the manuscript.

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Authors and Affiliations

  1. Agence Française de Sécurité Sanitaire des Aliments (AFSSA Sophia-Antipolis), 105 route des Chappes, 06902, Sophia-Antipolis Cedex, France

    Christophe B. Y. Cordella

  2. CNPq and Universidade Federal de Rondonia (UNIR), Km8 Br364, 78.900, Porto Velho, Rondonia, Brazil

    Julio S. L. T. Militão

  3. Laboratoire Arômes Synthèses Interactions, Université de Nice Sophia-Antipolis, 28 avenue Valrose, 06108, Nice Cedex 2, France

    Christophe B. Y. Cordella & Daniel Cabrol-Bass

Authors
  1. Christophe B. Y. Cordella
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  2. Julio S. L. T. Militão
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  3. Daniel Cabrol-Bass
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Correspondence to Christophe B. Y. Cordella.

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Cordella, C.B.Y., Militão, J.S.L.T. & Cabrol-Bass, D. A simple method for automated pretreatment of usable chromatographic profiles in pattern-recognition procedures: application to HPAEC–PAD chromatograms of honeys. Anal Bioanal Chem 377, 214–219 (2003). https://doi.org/10.1007/s00216-003-2087-7

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  • DOI: https://doi.org/10.1007/s00216-003-2087-7

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