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《Chinese Fishery Quality and Standards》 2015-06
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Residue levels of PAHs in aquaculture products from Bohai Bay and their health risk assessment

ZHENG Guanchao;GUO Mengmeng;ZHAO Chunxia;FU Shulin;TAN Zhijun;ZHAI Yuxiu;Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry Agriculture Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences National Center for Quality Supervision and Test of Aquatic Products;  
To investigate the residues of 16 types of polycyclic aromatic hydrocarbons( PAHs),in aquatic products from Bohai Bay,and evaluate their health risk,104 prawns,77 crabs and 53 shellfish were collected from Circum-Bohai- Sea region in the summer and fall,2014. And the contents of 16 PAHs in edible tissues of samples were determined by HPLC. Results showed that all samples was commonly contaminated by PAHs,especially phenanthrene,which had the highest content( 6. 53 μg / kg) and detection rate( 88. 5%) in samples. Relatively speaking,the low molecular weight( 2- 3 rings) PAHs had a higher detection rate than the high molecular weight( 4- 6 rings) PAHs.The results also showed that the residue of PAHs was positively correlated to sample species. Most of 3- ring PAHs,mainly from petroleum,were found in swimming prawns and crabs. In contrast,4- ring PAHs,whose source was complicated,existed in benthic shellfishes as the predominant components. This difference may be depended on organisms themselves and their living environment. Although the risk assessment of PAHs adopted US Environmental Protection Agency( USEPA) assessment methods,and concluded that PAHs exposure risk was acceptable via intaking aquatic products from Circum- Bohai- Sea region,it must be pay more attention due to PAHs persistence and food chain amplification.
【Fund】: 国家科技基础性工作专项(2014FY230100)
【CateGory Index】: X82;X56
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