Abstract

The aim of this study was to assess the contribution of aquatic products consumed by the resident to the daily dietary arsenic intakes of the residents of Guangzhou of Guangdong province in China. All aquatic products were sampled from supermarkets and terminal markets. Accuracy was assured using standard reference material (GBW08551) and recovery experiments. Total arsenic concentrations of aquatic products were determined after acid digestion by hydride generation atomic fluorescent spectrometry. A wide range of arsenic concentration (0.0075-1.2017 mg/kg) was found among the various aquatic products, the mean arsenic concentration in aquatic production was 0.2022 mg/kg. The arsenic concentrations of various aquatic products groups were as follows: Crustacean (0.3176±0.2324 mg/kg) >Mollusk fish (0.1979±0.2013 mg/k) >Saltwater fish (0.1558±0.1119 mg/kg) >Freshwater fish (0.1374±0.0970 mg/kg). The range of daily dietary arsenic intake of various residents through the consumption of aquatic products was 5.96-11.85 μg/day. The freshwater fish had the largest contribution to the daily dietary arsenic intakes from aquatic products in all type aquatic products, accounted for around 50%.

Keywords:

Aquatic production, arsenic concentration, arsenic intake, Guangzhou,

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