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식용 버섯류에서의 인공 방사능 농도 조사 KCI 등재

Monitoring of Artificial Radionuclides in Edible Mushrooms in Korea

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한국식품위생안전성학회지 (Journal of Food Hygiene and Safety)
한국식품위생안전성학회 (Korean Society of Food Hygiene and Safety)
초록

경기도내 유통되는 식용 버섯류의 방사능 안전성을 확보하기 위해, 버섯 종류별, 원산지별 샘플을 수거하여 방사능 오염도를 분석하였다. 버섯류 10종(표고버섯, 느타리버섯, 새송이버섯, 양송이버섯, 팽이버섯, 상황버섯, 차가버섯, 목이버섯, 영지버섯, 송이버섯) 총 284건을 수거하여 방사능 검사를 수행하였다. 인공방사성물질인 131I, 134Cs 와 137Cs의 방사능 농도는 감마선 측정 장비로 분석하였다. 모든 버섯 샘플에서 131I과 134Cs은 MDA 값 이상에서 검출되지 않았다. 그러나 국내산 204건 중 총 6건(표고버섯 3건, 영지버섯 1건, 송이버섯 2건)에서 137Cs 이 0.21~2.58 Bq/kg 검출되었고, 수입산 80건 중 총 38건 (차가버섯 22건, 상황버섯 14건, 표고버섯 1건, 송이버섯 1건)에서 137Cs이 0.21~53.79 Bq//kg 검출되었다. 그리고 차가버섯을 이용한 가공품 10건에서는 건조 차가버섯에 비해 평균 2배 이상의 137Cs가 검출되었고, 최고 123.79 Bq/ kg이 확인되었다. 이와 같은 결과를 종합하여 볼 때, 식품 안전 확보를 위해 일부 수입 버섯류와 가공품에 대한 방사능검사 강화와 함께 지속적인 모니터링이 필요하다 하겠다.

To ensure food-safety of mushrooms from radioactive contamination, edible mushroom samples distributed in Gyeonggi province in Korea were collected according to species and country of origin. A total of 284 mushrooms, belonging to 10 species (Lentinula edodes, Pleurotus ostreatus, Pleurotus eryngii, Agaricus bisporus, Flammulina velutipes, Phellinus linteus, Inonotus Obliquus (Chaga), Auricularia auricula-judae, Ganoderma lucidum and Tricholoma matsutake) were subjected to radioactivity testing. The concentration of artificial radionuclides, 131I, 134Cs, and 137Cs, was analyzed using gamma-ray spectrometry. 131I and 134Cs were not detected more than MDA value from all samples. Among 204 domestic mushrooms, however, 137Cs were detected in 0.21~2.58 Bq/kg from six cases (3 Lentinula edodes, 1 Ganoderma lucidum and 2 Tricholoma matsutake), whereas 137Cs were detected in 0.21~53.79 Bq/kg from 38 cases (22 Inonotus Obliquus(Chaga), 14 Phellinus linteus, 1 Lentinula edodes and 1 Tricholoma matsutake) among 80 imported mushrooms. In addition, average concentration of 137Cs in 10 Chaga mushroom-processed products was more than twice as much as dried Chaga mushroom, and maximum concentration was 123.79 Bq/kg. Results suggest that radioactivity monitoring system for imported mushrooms and mushroom-processed products should be continuously intensified to secure food-safety in Korea.

목차
ABSTRACT
 Materials and Methods
  실험재료
  시료의 전처리
  방사능 농도분석
  최소검출가능농도(Minimum Detectable Activity, MDA)및 측정시간
 Results
  국내산 버섯류 방사능 농도 분석
  수입산 버섯류 방사능 농도 분석
  차가버섯 가공품에서의 방사능 농도 분석
 Discussion
 국문요약
 References
저자
  • 조한길(경기도보건환경연구원 농수산물안전성검사소) | Han-Gil Cho (GyeongGi-Do Institute of Public Health and Environment Agro-fishery Products Safety Inspection Center) Correspondence to
  • 김지은(경기도보건환경연구원 농수산물안전성검사소) | Ji-eun Kim (GyeongGi-Do Institute of Public Health and Environment Agro-fishery Products Safety Inspection Center)
  • 이성남(경기도보건환경연구원 농수산물안전성검사소) | Sung-nam Lee (GyeongGi-Do Institute of Public Health and Environment Agro-fishery Products Safety Inspection Center)
  • 문수경(경기도보건환경연구원 농수산물안전성검사소) | Su-kyong Moon (GyeongGi-Do Institute of Public Health and Environment Agro-fishery Products Safety Inspection Center)
  • 박용배(경기도보건환경연구원 농수산물안전성검사소) | Yong-Bae Park (GyeongGi-Do Institute of Public Health and Environment Agro-fishery Products Safety Inspection Center)
  • 윤미혜(경기도보건환경연구원 농수산물안전성검사소) | Mi-Hye Yoon (GyeongGi-Do Institute of Public Health and Environment Agro-fishery Products Safety Inspection Center)