The content of essential and toxic elements in wheat bran and flour
2014
The research was conducted with the aim of examining the presence of toxic
elements (Pb, Cd, As and Hg) and essential elements (Zn, Cu, Fe and Mn) in
selected samples of wheat flour and bran by Inductively Coupled Plasma Mass
Spectrometry. The principal component analysis has been used for assessing
the variety of samples. Quality results show that the first two principal
components, accounting for 84.22% of the total variability, can be considered
sufficient for data representation and the first two principal components for
toxic elements and essential microelements. Zn (16.38%), Mn (16.19%), Cu
(15.73), Fe (15.44%) and Cd (14.99%) have been found the most influential for
the first factor coordinate calculation, while the contribution of Hg
(89.09%) has been the most important variable for the second factor
coordinate calculation. [Projekat Ministarstva nauke Republike Srbije, br. TR
31055]
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