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Discrimination of flax cultivars based on visible diffusion reflectance spectra and colour parameters of whole seeds

Author

Listed:
  • Yana Troshchynska

    (Department of Dairy, Fat and Cosmetics, Faculty of Food and Biochemical Technology, University of Chemistry and Technology in Prague, Prague, Czech Republic)

  • Roman Bleha

    (Department of Carbohydrates and Cereals, Faculty of Food and Biochemical Technology, University of Chemistry and Technology in Prague, Prague, Czech Republic)

  • Lenka Kumbarová

    (Department of Carbohydrates and Cereals, Faculty of Food and Biochemical Technology, University of Chemistry and Technology in Prague, Prague, Czech Republic)

  • Marcela Sluková

    (Department of Carbohydrates and Cereals, Faculty of Food and Biochemical Technology, University of Chemistry and Technology in Prague, Prague, Czech Republic)

  • Andrej Sinica

    (Department of Carbohydrates and Cereals, Faculty of Food and Biochemical Technology, University of Chemistry and Technology in Prague, Prague, Czech Republic)

  • Jiří Štětina

    (Department of Dairy, Fat and Cosmetics, Faculty of Food and Biochemical Technology, University of Chemistry and Technology in Prague, Prague, Czech Republic)

Abstract

Discrimination of yellow and brown seeded flax cultivars was made based on visible (Vis) diffusion reflectance spectra of whole seeds. Hierarchy cluster analysis (HCA) and principal component analysis (PCA) were used for the discrimination. Multivariate analyses of Vis spectra led to satisfactory discrimination of all flax cultivars of this study. The CIE L*a*b* colour parameters were calculated from the diffusion reflectance Vis spectra. The values of L* were in the range of 48.8-53.6 and 62.6-66.0% for brown and yellow seeded cultivars, respectively. Chromatic parameters a* and b* were in the range of 2.8-4.9 and 7.9-16.4%, respectively. A strong linear correlation (R2 = 0.9712) was found between a* and b* parameters for all the flaxseed samples. The L* and a* parameters were sufficient for HCA clustering of the individual flax cultivars.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlcjf:v:37:y:2019:i:3:id:202-2018-cjfs
    DOI: 10.17221/202/2018-CJFS
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    References listed on IDEAS

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    1. E. Tejklová & M. Bjelková & M. Pavelek, 2011. "Medium-linolenic linseed (Linum usitatissimum L.) Raciol," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 47(3), pages 128-130.
    2. 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.
    3. A. Troszyńska & E. Ciska, 2002. "Phenolic compounds of seed coats of white and coloured varieties of pea (Pisum sativum L.) and their total antioxidant activity," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 20(1), pages 15-22.
    4. Jana Smolová & Irena Němečková & Marcela Klimešová & Zdeněk Švandrlík & Marie Bjelková & Vladimír Filip & Jan Kyselka, 2017. "Flaxseed varieties: composition and influence on the growth of probiotic microorganisms in milk," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 35(1), pages 18-23.
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    Cited by:

    1. Irena Siegień & Magdalena Fiłoc & Aleksandra Maria Staszak & Iwona Ciereszko, 2021. "Cyanogenic glycosides can function as nitrogen reservoir for flax plants cultured under N-deficient conditions," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 67(4), pages 245-253.

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