期刊
MARINE POLLUTION BULLETIN
卷 169, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2021.112473
关键词
Food; Swimming crab; Heavy metal; China; Safety; Health
This study evaluated the food safety of swimming crabs in Shandong Province, China, and found significant variations in metal concentrations among different edible muscles, with high levels of Zn, Mn, and Cr in leg and claw meat, and Fe, Cu, Ni, As, Cd, Pb, and Se in hepatopancreas and gonads. Gender differences were only observed for Fe and Zn. Despite this, consumption of swimming crab is considered safe based on various safety limits and hazard quotients.
This study evaluated the food safety of the swimming crab (Portunus trituberculatus) found in Shandong Province, China and obtained information on possible edible parts and gender differences. White and brown muscle samples from 108 swimming crabs were collected from seven cities along the eastern coastline of Shandong Province and analyzed for levels of Cu, Zn, Ni, As, Fe, Mn, Cr, Se, Cd, and Pb. There were significant differences in the metal concentrations among different edible muscles. High concentrations of Zn, Mn, and Cr were found in leg and claw meat while Fe, Cu, Ni, As, Cd, Pb, and Se were predominantly found in the hepatopancreas and gonads. Gender differences were found only for Fe and Zn. Based on the estimated daily intake (EDI), target hazard quotient (THQ), total target hazard quotient (TTHQ), and the permissible safety limits prescribed by various agencies, consumption of the swimming crab is considered safe.
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