Pretreatment of Fish for the determination of polycyclic aromatic hydrocarbons using alkali digestion

알칼리분해를 이용한 어류 중 다환방향족탄화수소의 전처리방법

  • Hu, Soojung (Food & Drug Exposure Assessment Division, National Institute of Toxicological Research, Korea Food & Drug Administration) ;
  • Lee, Hyomin (Food & Drug Exposure Assessment Division, National Institute of Toxicological Research, Korea Food & Drug Administration) ;
  • Chae, Youngzoo (Seoul Metropolitan Government Research Institute of Public Health & Environment Gangnam Agrocultural Products Inspection Team) ;
  • Yoo, Eun-Ah (Department of Chemistry, Sungshin Women's University)
  • 허수정 (식품의약품안전청 국립독성연구원 식의약품위해성과) ;
  • 이효민 (식품의약품안전청 국립독성연구원 식의약품위해성과) ;
  • 채영주 (서울시보건환경연구원 강남농산물검사팀) ;
  • 유은아 (성신여자대학교 화학과)
  • Received : 2005.07.29
  • Accepted : 2005.09.21
  • Published : 2005.10.25

Abstract

Polycyclic Aromatic Hydrocarbons(PAHs) contamination arises from several sources including processing of food(smoking, direct drying, cooking) and environmental contamination of air, water, or soil, the later being considered as the most important. In this study, to establish the analytical method for some PAHs[benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, dibenzo(a,h)anthracene, benzo(g,h,i)perylene, indeno(1,2,3-c,d)pyrene] in fish, alkali digestion time, extraction solvents, elution volume of florisil cartridge for clean-up have been optimized. The methodology involved saponification and extraction with n-hexane, clean-up on Sep-Pak florisil cartridges and determination by HPLC/FLD(High Performance Liquid Chromatography/Fluorescence Detector). Overall method recoveries for 8 PAHs spiked into these products ranged from 90 to 106%.

최근 내분비계장애물질로 알려진 PAHs 화합물 중 하나인 벤조피렌은 대표적인 PAHs 화합물로 음식을 조리, 가공할 때 식품의 주성분인 탄수화물, 단백질, 지방 등이 분해되어 생성되는 열분해 산물이며 토양, 공기, 물, 식품 등 전 환경매체에서 검출되고 있다. 본 연구에서는 PAHs[benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, dibenzo(a,h)anthracene, benzo(g,h,i)perylene, indeno(1,2,3-c,d)pyrene]에 대하여 어류 중 지방의 알칼리 분해시간에 따른 분해효율, 추출 용매에 따른 추출효율, 정제컬럼의 용출량에 따른 정제효율 등을 비교 실험하여 알칼리분해를 이용한 어류 중 PAHs의 전처리방법을 확립하고자 하였다. 균질화된 시료를 알칼리 분해하여 n-hexane으로 추출하고 증류수로 세척한 후 Sep-Pak florisil cartridge로 정제하여 HPLC/FLD(고속액체크로마토그래피/형광검출기) 로 동시 정량 분석하였으며 각각의 PAHs에 대한 회수율은 약 90~106% 수준이었다.

Keywords

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