Abstract
A simple and efficient method was used to determine the levels of iron and zinc in the teff flour samples. The aim of this study was to determine the concentration levels of iron and zinc in teff samples across different locations and to compare with other reported values due to different agricultural applications. The levels of Fe and Zn in the three types of teff samples collected from the three sampling areas were determined by using Micro-plasma atomic emission spectroscopy. The iron mean concentration of white teff was highest in the Bure site followed by Bahir Dar and Debre Markos sampling sites. The level of iron in the red teff was highest in the Debre Markos site followed by Bure and Bahir Dar sampling sites respectively. Similarly, the iron content of the mixed teff was highest in Bahir Dar site followed by Debre Markos and Bure sampling sites. However, the amounts of Zn determined in the three types of teff samples collected from the three different locations were almost similar. The overall mean concentrations determined (mg/kg, air dry weight) for the teff samples collected from the Bure, Debre Markos and Bahir Dar sites were in the ranges of Fe (719) > Zn (86) >, Fe (728) > Zn (87) and Fe (668) > Zn (73), respectively. The one way ANOVA indicated the mean concentrations of the two studied metals found in the three types of teff samples within and between the sampling sites was not significant at 95% confidence level.
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