Abstract
This study used the sexually mature Chinese mitten crabs as the research object, and the total arsenic and six major species were determined by high-performance liquid chromatography-inductively coupled plasma mass spectrometry (HPLC-ICP-MS). The influence of three common cooking methods on the forms of arsenic and content in different edible parts of crabs were explored. Furthermore, the bioavailability of arsenic and its different forms in the crabs were studied by in vitro gastrointestinal digestion. Based on the risk assessment of arsenic in gastrointestinal digestion, the results showed that the Target Hazard Quotient (THQ) of arsenic was less than 1, which did not pose a significant health risk, but the risk of carcinogenesis of arsenic can not be ignored. Considering the effects of cooking and gastrointestinal digestion into account, a more realistic estimate of the risk associated with the consumption of Chinese mitten crabs can be deciphered.
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