Comparative analysis for macro and trace elements content in Goji berries between varieties from China and R. Macedonia

The goji fruits (Licyum barbarum) are known through their high mineral content: Ca, Mg, P, Fe, Zn, Cu, P, Se, etc., with a positive incidence of high importance on the human body. Considering these, the present paper provides a information about the 16 macro and trace elements (Ca, Mg, K, Na, P, Fe, Zn, Cu, Se, Ge, Pb, Ni, Cd, As, Bi and Hg) in Licyum barbarum planted in China and in R. Macedonia. The data obtained give an overview for the method development of ICP-MS determination with previously microwave digestion. The experimental results reveal contents of essential items and small values of toxigenic elements. Therefore the goji fruits shows a variant of use, as an additional source of macro and trace elements in human nutrition