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Potential of fourier transformed near-infrared (FT-NIR) spectroscopy for rapid analysis of elderberry (Sambucus nigra L.) fruits

Author

Listed:
  • Virág Csorba

    (Department of Pomology, Szent István University, Budapest, Hungary)

  • Marietta Fodor

    (Department of Applied Chemistry, Szent István University, Budapest, Hungary)

  • Szilvia Kovács

    (Research Station of the Fruitculture Research Institute, NARIC, Budatétény, Hungary)

  • Magdolna Tóth

    (Almakúti Ltd., Zalaszántó, Hungary)

Abstract

Fruit samples were analysed to investigate the suitability of Fourier transform near infrared spectroscopy (FT-NIR) for the rapid discrimination of elderberry genotypes. Parallel analysis with classical chemical techniques and spectral measurements was performed on 11 cultivars originating from various European countries. The titratable acidity (TA) and soluble solids content (SSC) of the fruit, and the geographical origin and breeding method of the cultivar were used as reference data. Three spectrum transformation methods (standard normal variation, multiplicative scatter correction and first derivative) were applied in the calibration process. The statistical analysis and comparison of the samples was carried out using principal component analysis (PCA) and linear discriminant analysis (LDA). In all cases the analysis demonstrated a correlation between the spectra and both the chemical traits (TA and SSC) of the fruit and the other reference data, indicating that pattern recognition was not a chance occurrence. This work provides the first evidence that the NIR technique can be successfully applied to distinguish between elderberry genotypes on the basis of fruit quality, thus opening up new possibilities in breeding cultivars for food industry purposes.

Suggested Citation

  • Virág Csorba & Marietta Fodor & Szilvia Kovács & Magdolna Tóth, 2019. "Potential of fourier transformed near-infrared (FT-NIR) spectroscopy for rapid analysis of elderberry (Sambucus nigra L.) fruits," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 37(1), pages 21-28.
    • Handle: RePEc:caa:jnlcjf:v:37:y:2019:i:1:id:144-2018-cjfs
    DOI: 10.17221/144/2018-CJFS
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    References listed on IDEAS

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    1. K. Cejpek & I. Maloušková & M. Konečný & J. Velíšek, 2009. "Antioxidant Activity in Variously Prepared Elderberry Foods and Supplements," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 27(SpecialIs), pages 45-48.
    2. María J. MARTELO-VIDAL & Manuel VÁZQUEZ, 2014. "Evaluation of ultraviolet, visible, and near infrared spectroscopy for the analysis of wine compounds," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 32(1), pages 37-47.
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    Cited by:

    1. Jonna Szulc & Grażyna Gozdecka & Wojciech Poćwiardowski, 2020. "The application of NIR spectroscopy in moisture determining of vegetable seeds," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 38(2), pages 131-136.

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