Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Identification of Irradiated Fishes by ESR Spectroscopy

방사선 조사 어류의 ESR Spectroscopy를 이용한 확인

  • 님혜선 (한국원자력연구소 식품검지실) ;
  • 우시호 (경남대학교 생명과학부) ;
  • 이선영 (충남대학교 식품영양학과) ;
  • 양재승 (충남대학교 식품영양학과)
  • Published : 2000.06.01
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Abstract

본 연구는 ESR spectroscopy를 이용하여 어류의 방사선 조사 여부와 조사선량에 따른 ESR 신호의 크기 및 신호의 안정성을 확인하였다. 실험결과 방사선 조사된 어류는 g1=2.003$\pm$0.001과 g2=1.998$\pm$0.003에서 특유의 비대칭적인 ESR 신호를 나타내어 비조사시료와 확실하게 구별되었다. 조사선량의 증가에 따른 ESR 신호의 상관성에 있어서는 R2값이 0.9077~0.9989의 범위로 거의 모든 시료에서 조사선량에 따라 ESR 신호의 크기는 비례적으로 증가하였다. 또한 이들 신호의 크기는 5$^{\circ}C$에서 12주간 저장한 시료에서도 안정하게 남아 있어 방사선 조사여부의 판별은 장기간의 저장에서도 가능하였다. 따라서 ESR spectroscopy를 이용한 방사선 조사 어류의 검지 방법은 빠르고 확실하며 반(semi) 정량적인 방법으로써 유용한 검지기술임을 알 수 있었다.

Keywords

References

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