PJB-2024-525
Chromium and cadmium assessment in selected rice varieties under various irrigation sources: A public health concern
mehwish aslam
Abstract
Toxic metals accumulation in food crops is a matter of great concern for public health. Present study was conducted to evaluate the Cr and Cd content in four rice varieties (Super Kernel, Kainat, Basmati, and Irri 6) cultivated in Sargodha, Pakistan. Chromium concentration was observed as 9.633-17.581 mg/kg in soil samples, 0.122-11.567 mg/kg in rice samples and 0.023-0.093mg/L in serum samples. Cadmium concentration was observed as 1.178-1.903mg/kg in soil samples, 0.0151-1.1914mg/kg in rice samples and 0.0013-0.0035mg/l in serum samples. Super kernel and Kainat rice showed the highest Cd and Cr uptake in their tissues respectively. Contamination factor results (CF>1) showed higher Cd contamination in the study area as compared to Cr metal. Cd metal also showed moderate level of enrichment in study area. As all THQ values were lower than 1 in all age groups, so there was no potential carcinogenic risk to local consumers. Government should organize strategies to reduce Cd contamination in rice grains that may pose carcinogenic risk to human health in future.
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