Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Natural Occurrence of Mycotoxin and Fungi in Korean Rice

국내산 미곡에 발생하는 곰팡이와 곰팡이독소

  • Lee, Theresa (Microbial Safety Team, National Academy of Agricultural Science, Rural Development Administration) ;
  • Lee, Soohyung (Microbial Safety Team, National Academy of Agricultural Science, Rural Development Administration) ;
  • Lee, Jeong-Hwa (Microbial Safety Team, National Academy of Agricultural Science, Rural Development Administration) ;
  • Yun, Jong-Chul (Microbial Safety Team, National Academy of Agricultural Science, Rural Development Administration) ;
  • Oh, Kyeong-Suk (Microbial Safety Team, National Academy of Agricultural Science, Rural Development Administration)
  • 이데레사 (국립농업과학원 유해생물팀) ;
  • 이수형 (국립농업과학원 유해생물팀) ;
  • 이정화 (국립농업과학원 유해생물팀) ;
  • 윤종철 (국립농업과학원 유해생물팀) ;
  • 오경석 (국립농업과학원 유해생물팀)
  • Received : 2012.11.12
  • Accepted : 2012.12.15
  • Published : 2012.12.31
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Abstract

Inspection of deteriorated rices in Korea for fungal occurrence revealed that Aspergillus was the most frequently observed genus and some isolates of the Aspergillus spp. turned out to produce aflatoxin. Diverse fungal genera including Fusarium, Aspergillus, Penicillium, or Alternaria spp. were observed in most of the rice samples. Aflatoxin occurred infrequently and the levels of aflatoxin present in the rice samples were lower than regulatory limit but Fusarium toxins such as deoxynivalenol, nivalenol, zearalenone, and fumonisin occurred frequently. In rice processing complexes, fungal and mycotoxin contamination of rice decreased by milling process, resulting in the lowest level of mycotoxin and fungi in polished rice. Currently, it appears that Korean rice and milled by-products need a safety control for Fusarium toxins rather than aflatoxin.

국내산 변질미와 저장 중 미곡에 발생하는 곰팡이로는 Aspergillus 속이 가장 많이 관찰되었으며, 분리한 곰팡이들의 일부는 아플라톡신 생성능을 보유하고 있었다. 대부분의 미곡시료에서는 Fusarium, Aspergillus, Penicillium, Alternaria 속 등의 다양한 곰팡이가 발생했으나 시료 내 아플라톡신 발생이나 오염수준은 허용기준치 이하로 미미한 반면 Fusarium 독소인 데옥시니발레놀, 니발레놀, 제랄레논, 푸모니신 등의 발생은 빈번하였다. 미곡종합처리장의 벼와 가공부산물의 경우, 곰팡이 및 곰팡이독소의 발생수준이 가공단계를 거칠수록 감소하여 백미에서 가장 낮았다. 현재, 벼의 가공부산물을 포함한 국내산 미곡의 경우, 아플라톡신 보다 Fusarium 곰팡이독소에 대한 안전관리가 더욱 필요한 것으로 판단된다.

Keywords

References

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