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Preparation of flaxseed for lignan determination by gas chromatography-mass spectrometry method

Author

Listed:
  • Hrvoje Sarajlija

    (Forensic Science Centre "Ivan Vučetić", Croatian Ministry of the Interior, Zagreb, Croatia)

  • Nikolina Čukelj

    (Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia)

  • Dubravka Novotni

    (Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia)

  • Gordan Mršić

    (Forensic Science Centre "Ivan Vučetić", Croatian Ministry of the Interior, Zagreb, Croatia)

  • Mladen Brnčić

    (Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia)

  • Duška Ćurić

    (Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia)

Abstract

Since 1980s, several methods for the determination of lignans in food samples have been developed depending on the types of lignans and foods analysed, but mostly on flaxseed as a reference food. In this work, specific steps in flaxseed preparation for lignan secoisolariciresinol analysis by gas chromatography-mass spectrometry method were examined. Ethanol extraction of lignan from defatted and non-defatted flaxseed before acid hydrolysis yielded significantly lower concentrations (5172 ± 49 μg/g; 5159 ± 83 μg/g, respectively), when compared to the direct acid hydrolysis (8566 ± 169 μg/g; 8571 ± 192 μg/g, respectively). In the analysed samples of defatted and dried flaxseed, no significant difference in lignan content was observed when compared to non-defatted flaxseed samples.

Suggested Citation

  • Hrvoje Sarajlija & Nikolina Čukelj & Dubravka Novotni & Gordan Mršić & Mladen Brnčić & Duška Ćurić, 2012. "Preparation of flaxseed for lignan determination by gas chromatography-mass spectrometry method," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 30(1), pages 45-52.
    • Handle: RePEc:caa:jnlcjf:v:30:y:2012:i:1:id:107-2010-cjfs
    DOI: 10.17221/107/2010-CJFS
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    Cited by:

    1. Yana Troshchynska & Roman Bleha & Lenka Kumbarová & Marcela Sluková & Andrej Sinica & Jiří Štětina, 2019. "Discrimination of flax cultivars based on visible diffusion reflectance spectra and colour parameters of whole seeds," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 37(3), pages 199-204.

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