Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Survey of the Presence of Aflatoxins in Compound Feeds and Feed Ingredients

국내생산 사료의 Aflatoxin 오염도 조사

  • Jang, Han-Sub (Experiment & Research Institute, National Agricultural Products Quality Management Service) ;
  • Jo, Hyun-Jung (Experiment & Research Institute, National Agricultural Products Quality Management Service) ;
  • Lee, Kyung-Eun (Food Science & Technology, Chung-Ang University) ;
  • Lee, Chan (Food Science & Technology, Chung-Ang University)
  • 장한섭 (국립농산물품질관리원 시험연구소) ;
  • 조현정 (국립농산물품질관리원 시험연구소) ;
  • 이경은 (중앙대학교 식품공학과) ;
  • 이찬 (중앙대학교 식품공학과)
  • Published : 2007.12.31
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Abstract

Contamination of aflatoxins(AFs) was monitored in 447 compound feeds and 138 feed ingredients samples distributed in South KOREA in 2006 and 2007. The degree of $AFB_1\;and\;AFB_2$ contamination in compound feed was 20% and 3%, respectively. The levels of detection were ranged from 0.48 to 10.46 ppb for $AFB_1$ and from 0.25 to 0,42 ppb for $AFB_2$. Thirty eight percent of compound feeds were contaminated with $AFB_1$ at concentration between 0.43 and 5.52 ppb and $AFB_2$ was detected in 2% of compound feeds at levels ranging 0.26-0.40 ppb. The highest degree of $AFB_1$ contamination was observed in compound feeds for beef cattle (75%) followed by for dairy cattle (72%) and in bran among feed ingredients (30%). Bran exhibited the highest level of $AFB_1$contamination (3.1 ppb). Vegetable proteins and compound feeds for dog showed relative lower degree of contamination at 2.9 and 1.9 ppb, respectively. $AFG_1\;and\;AFG_2$ were not detected in any compound feeds and feed ingredients samples.

2006년에서 2007년까지 국내에서 생산된 사료 중 585점(배합사료 447, 단미사료 138)의 사료에서 아플라톡신 오염도를 조사하였다. 단미사료 중 $AFB_1$과 $AFB_2$의 오염도는 각각 20%와 3%이었으며, 오염농도는 각각 $0.48{\sim}10.46ppb$와 0.25-0,42 ppb로 나타났다. 배합사료에서는 $AFB_1$ 오염도가 38%로 나타났으며, 평균 0.43-5.52 ppb 수준의 검출농도로 분석되었다. 그리고 조사된 사료 중 2%의 배합사료가 0.26-0.46 ppb의 농도로 $AFB_2$에 오염되어 있는 것으로 나타났다. 사료의 종류별로 아플라톡신 오염을 비교시 고기소 사료(75%)> 젖소 사료(72%)> 강피류(30%)순으로 $AFB_1$이 많이 오염되어 있는 것으로 나타났으며, $AFB_1$ 평균오염농도는 강피류(3.1 ppb)에서 가장 높았으며, 박류(2.9 ppb), 개사료(1.9 ppb) 순으로 감소되는 것으로 나타났다. 검사한 모든 시료에서 $AFG_1$와 $AFG_2$는 검출되지 않았다.

Keywords

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