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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Quantitative Comparison of 2-Alkylcyclobutanones from Raw Egg Yolk, Boiled Egg Yolk, and Egg Yolk Powder

생난황, 삶은 난황 및 난황분에서 방사선 조사에 의해 유도된 2-Alkylcyclobutanone류의 정량적 비교 분석

  • 서혜영 (조선대학교 식품영양학과) ;
  • 김경수 (조선대학교 식품영양학과)
  • Published : 2004.01.01
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Abstract

We investigated the usefulness of 2-alkylcyclobutanones as markers for irradiated eggs and egg products by comparing 2-alkylcyclobutanone concentrations in irradiated raw egg yolk, boiled egg yolk, and egg yolk powder. One method of detection radiation-induced 2-alkylcyclobutanones involves extraction fat from irradiated egg samples separating 2-alkylcyclobutanones by florisil column chromatography, and identifying GC/MS. 2-(5'-Tetradecenyl)cyclobutanone of 2-alkylcyclobutanones was high relatively in boiled egg yolk, but 2-dodecylcyclobutanone was high in raw egg yolk and egg yolk Powder. Concentrations of the radiation-induced 2-alkylcyclobutanones increased linearly with the irradiation dose. The radiation-induced 2-alkylcyclobutanones from egg samples at 0.5 kGy over and not detected at the non-irradiated samples. Therefore, these compounds could be used as marker of Post-irradiation for egg Products.

생난황, 삶은 난황 및 난황분을 방사선 조사시켜 생성된 2-alkylcyclobutanone류를 분리하기 위하여 Soxhlet 장치를 이용하여 지방을 추출한 뒤, florisil column chromatography하였으며, GC/MS 분석기기로 성분을 확인하였다. 0.5∼10 kGy의 선량별로 조사된 시료에서 방사선 조사에 의해 생성된 각각의 2-alkylcyclobutanone류 함량이 조사선량에 따라 증가하였으며, 동일한 선량으로 조사된 시료임에도 불구하고 방사선 조사에 의해 생성된 2-alkylcyclobutanone류의 함량이 각각 다르게 정량되었고, 생난황, 삶은 난황, 난황분의 순서로2-alkylcyclobutanone류의 생성량을 확인하였다. 생난황, 삶은 난황 및 난황분의 방사선 조사에 의해 생성되는 2-alkylcyclobutanone류는 0.5 kGy 이상 조사시료에서 모두 검출되었으며, 비조사 시료에서는 검출되지 않았다.

Keywords

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