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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Analysis of Nitrate Contents of Agricultural Products by HPLC-UV

HPLC-UV를 이용한 농산물의 질산염 함량분석

  • Jo, Sung-Ae (Kangnam Agricultural Products Inspection Team, Kangnam Agro-marin Products Inspection Center, Research Institute of Public Health & Environment) ;
  • Kim, Eun-Hee (Kangnam Agricultural Products Inspection Team, Kangnam Agro-marin Products Inspection Center, Research Institute of Public Health & Environment) ;
  • Han, Sung-Hee (Kangnam Agricultural Products Inspection Team, Kangnam Agro-marin Products Inspection Center, Research Institute of Public Health & Environment) ;
  • Yuk, Dong-Hun (Kangnam Agricultural Products Inspection Team, Kangnam Agro-marin Products Inspection Center, Research Institute of Public Health & Environment) ;
  • Kim, Jung-Hun (Kangnam Agricultural Products Inspection Team, Kangnam Agro-marin Products Inspection Center, Research Institute of Public Health & Environment) ;
  • Park, Seog-Gee (Kangnam Agricultural Products Inspection Team, Kangnam Agro-marin Products Inspection Center, Research Institute of Public Health & Environment)
  • 조성애 (서울시보건환경연구원 강남농수산물검사소 농산물검사팀) ;
  • 김은희 (서울시보건환경연구원 강남농수산물검사소 농산물검사팀) ;
  • 한성희 (서울시보건환경연구원 강남농수산물검사소 농산물검사팀) ;
  • 육동현 (서울시보건환경연구원 강남농수산물검사소 농산물검사팀) ;
  • 김정헌 (서울시보건환경연구원 강남농수산물검사소 농산물검사팀) ;
  • 박석기 (서울시보건환경연구원 강남농수산물검사소 농산물검사팀)
  • Received : 2010.06.08
  • Accepted : 2010.07.22
  • Published : 2010.09.30
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Abstract

A total of 550 samples were analysed for nitrate contents using HPLC-UV. Nitrate contents of leaf vegetables were higher than those of root vegetables and fruit vegetables. The average nitrate content of the radish leaves (4875.8 mg/kg) was the highest, followed by marsh mallow (4711.7 mg/kg), crown daisy (4546.9 mg/kg) and vitamins (4239.5 mg/kg). The nitrate content in fruits of strawberry and banana averaged at 24.0 mg/kg and 438.5 mg/kg, respectively. Nitrate was not detected in other fruits. In fruiting vegetables nitrate contents were less than 1000 mg/kg. In onion, lotus root and radish, nitrate contents were 253.7mg/kg, 352.4mg/kg and 2849.0 mg/kg, respectively, with no detection in garlic. Nitrate contents in mushrooms were less than 100 mg/kg.

엽채류 19종 407건, 과실류 5종 68건, 과채류 3종 32건, 근채류 4종 34건 및 버섯류 3종 10건의 질산염 함량 분석결과를 보면 엽채류에서의 질산염 함량은 무잎이 평균 4875.8 mg/kg으로 가장 함량이 높았으며, 다음이 아욱(4711.8 mg/kg), 쑥갓(4546.9 mg/kg), 비타민(4239.5 mg/kg) 순으로 나타났다. 비타민, 상추, 그리고 깻잎의 질산염 함량은 443.3~6746.5 mg/kg, 583.2~4189.5 mg/kg, 73.0~3405.3 mg/kg으로 시료간의 개체 차이가 9~15배 정도로 큰 것으로 나타났다. 과실류에서의 질산염 함량은 딸기가 최저 12.8 mg/kg, 최고 35.2 mg/kg, 평균 24.0 mg/kg으로 나타났으며, 바나나 최저 423.6 mg/kg, 최고 453.2 mg/kg, 평균 438.5 mg/kg으로 나타났다. 딸기와 바나나를 제외하고는 다른 과실류에서는 질산염이 검출되지 않았다. 과채류에서는 종류에 따라 차이가 있으나 평균 1,000 mg/kg 이하의 낮은 함량분포를 보였다. 근채류와 버섯류에서의 질산염 함량은 마늘에서는 질산염이 검출되지 않았으며, 양파, 연근 그리고 적환의 평균 질산염 함량은 253.4 mg/kg, 352.4 mg/kg, 2849.0 mg/kg으로 나타났으며, 버섯류에서 새송이버섯과 느타리버섯의 평균 질산염 함량은 55.3 mg/kg, 98.2 mg/kg이며, 팽이버섯에서는 검출되지 않았다.

Keywords

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