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Citation: HUANG Chaoqun, CHEN Qinke, CHEN Li, WANG Yunyu, MA Zhe, SHEN Mi, HUANG Jiabo. Determination of multiple chloropropanols in soy sauce by dispersive solid phase extraction-gas chromatography-high resolution mass spectrometry[J]. Chinese Journal of Chromatography, ;2019, 37(10): 1048-1052. doi: 10.3724/SP.J.1123.2019.03016 shu

Determination of multiple chloropropanols in soy sauce by dispersive solid phase extraction-gas chromatography-high resolution mass spectrometry

Zhejiang Academy of Science and Technology for Inspection and Quarantine, Hangzhou 310016, China

Received Date: 14 March 2019

A method for the rapid screening of 1,3-dichloro-2-propanol, 2,3-dichloro-1-propanol,3-monochloropropane-1,2-diol, and 2-monochloropropane-1,3-diol in soy sauce was developed based on dispersive solid phase extraction-gas chromatography-high resolution mass spectrometry (GC-HRMS). The samples were extracted by ethyl acetate, cleaned up using N-propylethylenediamine and detected by GC-HRMS. The chloropropanols were quantified by the internal standard method. The results demonstrated that the limits of quantitation of the four chloropropanols were in the range of 0.5-10 μg/kg. The recoveries of the four chloropropanols in soy sauce spiked with three levels varied from 78% to 103%, and the relative standard deviations were no more than 8.8%. The proposed method is simple, accurate, sensitive and suitable for the rapid screening of the four chloropropanols in soy sauce.
- dispersive solid phase extraction,
- gas chromatography-high resolution mass spectrometry (GC-HRMS),
- chloropropanol,
- soy sauce
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