Determination of toxic metal concentrations in flame-treated meat products, ponmo

Abstract

Cowhides ‘ponmo’ prepared by various and unknown processing methods were purchased from several markets in Lagos and environs and the contents of lead, cadmium, chromium, zinc, mercury and arsenic were determined before and after boiling. Significantly high levels of these metals except cadmium and zinc were found in all the samples obtained after boiling. The highest levels of Pb (1.54 mg.kg -1 ), Cr (0.79 mg.kg -1 ) and As (2.85 mg.kg -1