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Advanced Characterization of Monofloral Honeys from Romania

Author

Listed:
  • Daniela Pauliuc

    (Faculty of Food Engineering, Stefan cel Mare University of Suceava, 13 Universitatii Street, 720229 Suceava, Romania)

  • Florina Dranca

    (Faculty of Food Engineering, Stefan cel Mare University of Suceava, 13 Universitatii Street, 720229 Suceava, Romania)

  • Sorina Ropciuc

    (Faculty of Food Engineering, Stefan cel Mare University of Suceava, 13 Universitatii Street, 720229 Suceava, Romania)

  • Mircea Oroian

    (Faculty of Food Engineering, Stefan cel Mare University of Suceava, 13 Universitatii Street, 720229 Suceava, Romania)

Abstract

Honey’s authenticity is a major concern for producers and consumers, and this prompts research into reliable methods to determine the source of honey (botanical and geographical). This study aimed to find the botanical origin of seven samples of monofloral honey (acacia, thyme, tilia, rape, raspberry, mint and sunflower) based on pollen analysis and identification of the physicochemical characteristics of these types of honey. For these types of honey, the following parameters were determined: color, electrical conductivity, free acidity, moisture content, pH, hydroxymethylfurfural content and sugar content. Alongside pollen analysis, these methods succeeded in classifying the analyzed samples as monofloral honey. Non-destructive methods of analysis such as Fourier transform infrared spectroscopy, the determination of the rheological behavior of honey in the negative domain and the determination of the thermal behavior were also employed to characterize the honey samples. The best differentiation between samples was achieved in the spectral region between 950 and 750 cm −1 , which is of interest for carbohydrate analysis in IR spectroscopy. In the negative interval, the viscous and elastic modules intersected at different temperatures, these temperatures being influenced both by the moisture of the analyzed samples and the botanical origin.

Suggested Citation

  • Daniela Pauliuc & Florina Dranca & Sorina Ropciuc & Mircea Oroian, 2022. "Advanced Characterization of Monofloral Honeys from Romania," Agriculture, MDPI, vol. 12(4), pages 1-13, April.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:4:p:526-:d:789354
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    References listed on IDEAS

    as
    1. Aida Albu & Cristina-Gabriela Radu-Rusu & Ioan Mircea Pop & Gabriela Frunza & Gherasim Nacu, 2021. "Quality Assessment of Raw Honey Issued from Eastern Romania," Agriculture, MDPI, vol. 11(3), pages 1-17, March.
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    Cited by:

    1. Ioan Mircea Pop & Daniel Simeanu & Simona-Maria Cucu-Man & Aurel Pui & Aida Albu, 2022. "Quality Profile of Several Monofloral Romanian Honeys," Agriculture, MDPI, vol. 13(1), pages 1-26, December.
    2. Aida Albu & Răzvan-Mihail Radu-Rusu & Daniel Simeanu & Cristina-Gabriela Radu-Rusu & Ioan Mircea Pop, 2022. "Phenolic and Total Flavonoid Contents and Physicochemical Traits of Romanian Monofloral Honeys," Agriculture, MDPI, vol. 12(9), pages 1-15, September.

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