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Phenolic compound, organic acid, mineral, and carbohydrate profiles of pine and blossom honeys

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Abstract

Pine and blossom honey have different levels of consumer appeal. To avoid fraud and adulteration, it is important to distinguish between the two types of honey. The identification of honey as blossom and pine remains difficult. In the current study, palynological parameters, phenolics, organic acids, sugars, and minerals were investigated in blossom and pine honey samples to establish an accurate botanical differentiation. Initially, honey samples were tested using palynological analysis. Afterward, the phenolic compounds and organic acid profiles were investigated by ultra-high-performance liquid chromatography (UHPLC) coupled with tandem mass spectrometry (MS/MS). In pine honey samples, protocatechuic, gallic, caffeic, ferulic, and syringic acids were the most prevalent phenolic compounds, and taxifolin was also found as a unique flavonoid. Lower levels of organic acids such as benzoic and glutaric acid were also detected in pine honeys. According to elemental analysis using an inductively coupled plasma-mass spectrometer (ICP-MS), elevated levels of potassium, magnesium, and iron were found. Through carbohydrate analysis by high-performance liquid chromatography (HPLC), di- and trisaccharides were apparently established in pine honey. The results of the analyses were statistically interpreted using data mining algorithms. Gallic, trans-cinnamic, protocatechuic, and 4-hydroxybenzoic acids from phenolic compounds, as well as oxalic and benzoic acids from organic acids, were discovered to be significant chemicals to identify between pine and floral honey by data mining analysis.

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Acknowledgements

Some analyses were carried out at Balparmak R&D Center. The authors of this study would like to thank all the Balparmak R&D Center team and the members of the board of director. Also, we would like to thank Bee and Natural Products R&D and Beekeping R&D Center of Bingol University.

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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Authors and Affiliations

  1. Department of Crop and Animal Production, Vocational School of Food, Agriculture and Livestock, Bingol University, 12000, Bingol, Turkey

    Duygu Nur Çobanoğlu

  2. Department of Chemistry, Faculty of Science, Marmara University, 34722, Istanbul, Turkey

    İsmail Emir Akyıldız

  3. Balparmak. R&D Center, 34782, Istanbul, Turkey

    İsmail Emir Akyıldız & Emel Damarlı

  4. Department of Medical Services and Techniques, Vocational High School of Health Services, Giresun University, 28200, Giresun, Turkey

    İlginç Kızılpınar Temizer

  5. Department of Animal Sciences, Biometry, and Genetics, Faculty of Agriculture, Bingol University, 12000, Bingol, Turkey

    Şenol Çelik

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DNÇ: Writing original draft, pollen analysis, methodology. İEA: Preparation, methodology, review and editing. İKT: Investigation, ED: Supervision, conceptualization, ŞÇ: Statistical analysis.

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Correspondence to Duygu Nur Çobanoğlu.

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Çobanoğlu, D.N., Akyıldız, İ.E., Kızılpınar Temizer, İ. et al. Phenolic compound, organic acid, mineral, and carbohydrate profiles of pine and blossom honeys. Eur Food Res Technol 249, 1503–1515 (2023). https://doi.org/10.1007/s00217-023-04230-z

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