| heavy metal contamination of freshwater prawn (macrobrachium rosenbergii) and prawn feed in bangladesh: a market-based study to highlight probable health risks. | an assessment of the dietary risk of heavy metal exposure to humans is important since it is the main source of exposure. this study aimed to estimate the degree of contamination and assess the probable health risk in the prawn food chain. in prawn feed, the concentrations of metals were detected in the following order: hg > co > pb > cd. the concentrations of heavy metals in prawn were the highest for co and lowest for cd. trace amounts of as and cr were detected in the analyzed sample. target ... | 2017 | 28011306 |