4.7 Article

Minor and trace elements in different honey types produced in Siena County (Italy)

Journal

FOOD CHEMISTRY
Volume 107, Issue 4, Pages 1553-1560

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2007.09.029

Keywords

honey; honeydew; element composition; minor and trace elements; botanical origin; Siena county; Italy

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The concentrations of 23 chemical elements (Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, Hg, K, Mg, Mn, Na, Ni, Pb, Sb, Se, Sr, Th, Tl, U, Zn) were determined in 51 honey samples of different botanical origin produced in Siena County (Italy). K, Ca, Na and Mg were the most abundant elements, with mean contents of 1195, 257, 96.6 and 56.7 mg/kg, respectively. The Fe, Zn and Sr contents generally ranged from 1 to 5 mg/kg. Except for Ba, Cu, Mn and Ni, the trace element contents were below 100 mu g/kg. The analytical data indicated a good level of quality of the honeys, especially with regard to the concentrations of toxic trace elements, such as As, Cd, Ph and Sb, and suggested a significant influence of the botanical origin on the element composition. Some local geological and geochemical features also seemed to affect the chemistry of the honey. (C) 2007 Published by Elsevier Ltd.

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