Quantification of Selected Trace and Mineral Elements in Royal Jelly from Bulgaria by Icp-Oes and Etaas
The objective of the present study was to investigate selected trace and mineral elements in Royal Jelly (RJ) from Bulgaria.A total of 30 RJ samples were included in the study.The analytical procedure consisted of the microwave digestion of the RJ samples with nitric acid followed by instrumental measurement.Concentrations of Al, Ba, Ca, Cr, Cu, Fe