Levels of selected heavy metals in black tea varieties consumed in Saudi Arabia.

Abstract

The metal contents (Fe, Cu, Zn, Mn, Cr, Pb, Ni, Cd, Co) of 17 black tea samples were analyzed by using Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES). Among the investigated metals Mn was the highest (1,071.7 microg/g), whereas Pb showed minimum levels (0.30 microg/g). Iron was the second highest element found in black tea samples. Lowest… (More)
DOI: 10.1007/s00128-008-9402-0

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