Seasonal variation in trace and minor elements in Brazilian honey by total reflection X-ray fluorescence
2015
de Oliveira Resende Ribeiro, Roberta | Mársico, Eliane Teixeira | da Silva Carneiro, Carla | Simoes, Julia Siqueira | da Silva Ferreira, Micheli | de Jesus, Edgar Francisco Oliveira | Almeida, Eduardo | Junior, Carlos Adam Conte
Honey is used as an alternative medicine and is a constituent of a healthy diet worldwide. Its composition is associated with botanical origin and, to some extent, geographical origin because soil and climate characteristics determine the melliferous flora. Also, the elements content in honey samples could give an indication of environmental pollution or geographical origin. The main purpose of this study was to evaluate seasonal patterns of essential elements of Brazilian honey. Honey was collected during spring, summer, autumn, and winter for 2 years to quantify K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Se, Br, and Sr using total reflection X-ray fluorescence spectroscopy (TXRF). Our results indicate no seasonal differences in concentration of Cr, Ni, Se, and Ti, although there were significant seasonal patterns in the composition of essential elements in honey, with higher concentrations of minor and trace elements, especially K and Ca of samples collected in spring and summer.
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