Analysis of PCBs in Food by Dual Column-HRGC/ECD

Dual Column-HRGC/ECD를 이용한 식품 중 PCBs 오염 실태조사

  • 서정혁 (식품의약품안전청, 식품평가부, 잔류농약과) ;
  • 김정미 (식품의약품안전청, 식품평가부, 잔류농약과) ;
  • 홍무기 (식품의약품안전청, 식품평가부, 잔류농약과) ;
  • 김창민 (식품의약품안전청, 식품평가부, 잔류농약과) ;
  • 최동미 (식품의약품안전청, 식품평가부, 잔류농약과)
  • Received : 2003.01.13
  • Accepted : 2003.02.28
  • Published : 2003.04.25

Abstract

To determine levels of PCBs in food, beef, pork, chicken, egg, mackerel, yellow croaker, anchovy, common squid and little neck clam were chosen and collected at markets in Seoul, Busan and Kwangju. Among 209 PCB congeners, 7 congeners (#28, #52, #101, #118, #138, #153 and #180) were selected as target compounds that were known as indicator congeners. Samples were homogenized, treated in alkali solution for 1 hour, and extracted with organic solvents. After extraction, extracts were cleaned up by sulfuric acid, purified on silica gel column chromatography, analyzed by dual column-HRGC/ECD and then confirmed by HRGC/MSD. As results, PCBs were detected in fish samples ranged from 0.0002 to 0.001 mg/kg. Both PCB #101 and PCB #118 were the major contributors among 7 congeners.

Keywords

PCBs;food;HRGC/ECD;HRGC/MSD

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