Trace elemental analysis of rice grown in two regions of Tanzania |
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Authors: | N K Mohammed N M Spyrou |
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Institution: | (1) Department of Physics, University of Dar es Salaam, P. O. Box 35063, Dar es Salaam, Tanzania;(2) Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, Surrey, GU2 7XH, UK |
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Abstract: | The concentrations of elements in rice, locally cultivated in two regions of Tanzania (Mbeya and Morogoro), were determined
using Instrumental Neutron Activation Analysis (INAA) for Na, Mg, Al, Cl, K, Ca, V, Mn, Cu and Br, and Particle-Induced X-Ray
Emission (PIXE) for P, Fe and Zn. There were no statistical differences in concentrations of the essential elements Fe, Zn,
Cu and P in rice from both regions. There was also no significant correlation between grain P and Fe content, suggesting the
possibility of growing Tanzanian rice with low phytic acid and high Fe contents. |
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Keywords: | Trace element Rice INAA PIXE Phytic acid |
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