Abstract
As one of the medicine homologous foods in China, Atractylodis Macrocephalae Rhizoma (AMR) is usually distributed after thermal processing, which raised the possibility of acrylamide pollution and a potential carcinogenic risk. In this study, a method was developed for the determination of the acrylamide in AMR using graphited multiwalled carbon nanotubes as the dispersive solid phase extraction sorbent and liquid chromatography tandem mass spectrometry. The concentration of acrylamide was investigated at processing conditions of 80℃-210℃ and 5 min–100 min. Method validation results demonstrated the reliability of the method with good linearity, accuracy and precision. Significant increment of acrylamide was found in AMR after thermal processing with the highest concentration at 9826 μg/kg, which led to a margin of exposure at 90.83–181.7 according to the BMDL10 of carcinogenicity at 0.17 mg/kg, indicating a high health risk of taking thermally processed AMR, and monitoring and controlling should be considered.
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