Regional variations in trace element concentrations in tissues of black tiger shrimp Penaeus monodon (Decapoda: Penaeidae) from South Vietnam |
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| Authors: | Nguyen Phuc Cam Tu Nguyen Ngoc Ha Tokutaka Ikemoto Bui Cach Tuyen Shinsuke Tanabe Ichiro Takeuchi |
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| Institution: | aFaculty of Agriculture, Ehime University, Tarumi 3-5-7, Matsuyama 790-8566, Japan;bCenter for Marine Environmental Studies, Ehime University, Bunkyo-cho 2-5, Matsuyama 790-8577, Japan;cNong Lam University, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam |
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| Abstract: | The goal of the present study was to examine the specific bioaccumulation of 22 trace elements in muscle, exoskeleton and hepatopancreas of black tiger shrimp Penaeus monodon from the Mekong River Delta (MRD), and the South Key Economic Zone (SKEZ), South Vietnam. The general tendency in most trace element concentrations among different tissues were hepatopancreas > exoskeleton > muscle. Comparisons of trace element levels in tissues between the two regions showed that concentrations of Se in muscle and As in all three tissues were higher in SKEZ; whereas in MRD, the higher concentrations of most elements such as Mn, Cu, Cd, Ba, Hg, were observed in tissues. These geographical variations in trace element levels may reflect the differences in human activities between the two regions of South Vietnam. The target hazard quotient (THQ) values for trace elements (<1) indicate that local residents are not exposed to potential health risks via the consumption of shrimp. |
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| Keywords: | Trace elements Black tiger shrimp Penaeus monodon South Vietnam Health risk |
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