Abstract

ALPIZAR, Otoniel Denis  and  DIAZ RIZO, Oscar. ZINC content determination in rice and other agriproducts by x-ray fluorescence. Nucleus [online]. 2009, n.46, pp.34-39. ISSN 0864-084X.

ABSTRACT The Zn content in foodstuffs (rice, some vegetables and roots) regularly consumed in Cuba is reported. Concentrations are determined by X-Ray Fluorescence analysis using a set of organic standards doped with Zn. The accuracy of the analytical procedure was validated using the Certified Reference Materials AIEA 393 and MAB3/ TM. The obtained results show rice as the major Zn bioaccumulator of the studied agriproducts and the main Zn source of human consumption in Cuba.

Keywords : zinc; food; X-ray fluorescence analysis; diet; Cuba.

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