BF, Dept. of Food Science and Technology, Lj. (BFZIV)
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13.
Use of EDXRF elemental fingerprinting for discrimination of botanical and geographical origin of Slovenian bee pollen
Lilek, Nataša ...
Bee pollen contains proteins, amino acids, carbohydrates, fats, fatty acids, vita-mins, polyphenols, and mineral nutrients that make it useful as a good nutri-tional supplement in the human diet. It ...has the richest elemental compositionamong bee products which is not uniform and consequently varies greatlydepending on botanical and geographical origin. In polyfloral and selectedmonofloral bee pollen samples: sweet chestnut, maple, dandelion, rapeseed,flowering ash, buckwheat, common ivy, and plantain, the concentrations of P,S, Cl, K, Ca, Mn, Fe, Zn, Br, Rb, and Sr were determined. A non-destructiveenergy dispersive X-ray fluorescence spectrometry was used for elemental fin-gerprinting. The most abundant elements in Slovenian bee pollen are K, P, S,Ca, and Cl followed by Fe, Mn, Zn, Rb, Br, and Sr. Several statistically signifi-cant differences in the content of analysed elements were found between stud-ied groups according to the botanical and geographical origin which can berelated to soil and plant elemental composition and plant metabolism. Theobtained data extend our previous chemical profiling of Slovenian bee pollenand contribute to a more precise evaluation of some essential mineral nutri-ents in bee pollen to cover recommended dietary allowances in human nutri-tion. Additionally, this work contributes to a better understanding of mineralnutrient requirements in honey bee nutrition and of the environmental andagricultural impact of this product.
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