The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Residual Characteristics and Processing Factors of Environment Friendly Agricultural Material Rotenone in Chilli Pepper

친환경 농자재 rotenone의 홍고추 중 잔류특성 및 가공계수

  • Noh, Hyun Ho (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Lee, Jae Yun (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Park, So Hyun (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Jeong, Oh Seok (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University) ;
  • Choi, Ji Hee (Department of Food Science and Nutrition, College of Human Ecology, Hanyang University) ;
  • Om, Ae Son (Department of Food Science and Nutrition, College of Human Ecology, Hanyang University) ;
  • Kyung, Kee Sung (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
  • 노현호 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 이재윤 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 박소현 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 정오석 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 최지희 (한양대학교 식품영양학과) ;
  • 엄애선 (한양대학교 식품영양학과) ;
  • 경기성 (충북대학교 농업생명환경대학 환경생명화학과)
  • Received : 2012.10.26
  • Accepted : 2012.11.26
  • Published : 2012.12.31
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Abstract

This study was carried out to elucidate residual characteristics of environment friendly agricultural material rotenone in chilli pepper and calculate processing factors by drying. The test material was sprayed twice onto chilli peppers at an interval of seven days and then the chilli peppers were harvested at 0, 1, 3, 5 and 7 days after final spray. Limits of quantitation (LOQs) of rotenone in fresh and dried chilli peppers were 0.03 and 0.07 mg/kg, respectively. Recoveries of the test material in fresh and dried chilli peppers ranged from 89.52 to 97.86% and from 85.76 to 91.61%, respectively. As a results of residual material analysis, amounts of rotenone in fresh and dried chilli peppers ranged from 0.03 to 0.39 mg/kg and from 0.07 to 0.75 mg/kg, respectively, representing that the residual amounts of rotenone decreased time-coursely. Processing factors of rotenone in fresh chilli pepper by drying were found to be from 2.03 to 3.13, indicating that the residual concentration of rotenone in dried chilli pepper increased from two to three times by drying. However, the reduction factor of rotenone in fresh chilli pepper by drying ranged from 0.38 to 0.59, representing that some of rotenone in fresh chilli pepper disappeared during the drying process.

친환경 유기농자재 rotenone의 홍고추 중 잔류특성을 조사하고 가공계수를 산출하기 위하여 시험포장에 시험농자재를 7일 간격으로 2회 살포한 후 경시적으로 채취하여 잔류량을 분석하였다. 홍고추와 건고추 중 rotenone의 정량한계는 각각 0.03과 0.07 mg/kg이었으며, 분석법의 회수율은 각각 89.52-97.86%와 85.76-91.61%이었다. 잔류농약 분석 결과 홍고추 중 시험농자재의 잔류량은 0.03-0.39 mg/kg이었으며, 건고추의 경우 0.07-0.75 mg/kg으로 잔류량은 경시적으로 감소하였다. 건조에 의한 홍고추 중 rotenone의 가공계수는 2.03-3.13으로써 건조에 따라 잔류농도가 2-3배 증가하였다. 그러나 건조 전 홍고추 중 rotenone의 감소계수는 0.38-0.59로서 건조 전 홍고추 중 rotenone의 일부는 건조 과정 중 소실된 것으로 나타났다.

Keywords

References

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