Determination and Analysis of Total Arsenic and Inorganic Arsenic in Dried Lentinula edodes in East Fujian Province
The contents of total arsenic and inorganic arsenic in dried Lentinula edodes and corresponding medium were determined by inductively coupled plasma mass spectrometry and liquid chromatography-atomic fluorescence spectrometry.The results showed that the total arsenic content in dried Lentinula edodes was 0.22～1.02 mg·kg-1,the inorganic arsenic content was 0.11～0.44 mg·kg-1,and the total arsenic content in corresponding medium was 0.30～0.98 mg·kg-1,and the inorganic arsenic content was 0.18～0.58 mg·kg-1.It was found that the content of inorganic arsenic in dried Lentinula edodes was higher,the content of total arsenic was higher,and the content of inorganic arsenic and total arsenic in the corresponding medium was also higher.There was a positive correlation between inorganic arsenic and total arsenic in Lentinula edodes.The content of inorganic arsenic in dried Lentinula edodes in Gutian area of east Fujian province is low,which meets the requirements of national food safety standards and has high edible safety.
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