Effect of Bauxite Mineralized Soil on Residual Metal Levels in Some Post Harvest Food Crops in Jamaica |
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Authors: | Vincent?Wright Stephen?Jones Email author" target="_blank">Felix?O?OmoruyiEmail author |
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Institution: | Department of Biology and Chemistry, Northern Caribbean University, Mandeville, Jamaica. |
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Abstract: | The concentrations of nine residual metals in some Jamaican foods were determined using inductively coupled plasma mass spectrometry technique. Cadmium concentration was highest in yellow yam (0.21 mg/kg). Sweet potato had the highest concentrations of lead (0.31 mg/kg), arsenic (0.70 mg/kg) and mercury (0.35 mg/kg). Samples from Grove Place exceeded the regulatory limits of 0.1 mg/kg for cadmium, lead and arsenic and 0.05 mg/kg for mercury. Significant correlations were found between soil and agricultural produce concentrations for cadmium and lead (r2 ≥ 0.5). These results suggest that the elements were available in soluble forms in the soil for absorption by food crops. |
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