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  • 1 Minia University Faculty of Agriculture El-Minia Egypt
  • 2 Kossuth University Institute of Experimental Physics Pf. 105 H-4001 Debrecen Hungary
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Abstract  

The protein content of various corn-meals /rice, lupine, sorghum, pumpkin, linseed, water melon, tomato/ collected from Egypt and the USA have been determined by 14 MeV neutron activation analysis via14N/n, 2n/13N reaction. Non-conventional sources like tea and coffee residues were also investigated. The concentrations of trace elements determined by the X-ray fluorescence technique show definite differences even for a given type of seed produced in different geographical regions.