환경위생공학 (Journal of environmental and Sanitary engineering)

대한환경위생공학회 (Korean Society for Environmental Sanitary Engineers)
권호 표지

근적외선분광광도법을 이용한 식용유지의 산가, 요오드가, 지방산 정량법에 관한 연구

Quantitative Analysis of Acid Value, Iodine Value and Fatty Acids Content in Vegetable Oils by NIRS

  • 김재관 (경기도 보건환경연구원) ;
  • 최옥경 (경기도 보건환경연구원) ;
  • 황선일 (경기도 보건환경연구원) ;
  • 정진아 (경기도 보건환경연구원) ;
  • 김윤성 (경기도 보건환경연구원) ;
  • 박신희 (경기도 보건환경연구원) ;
  • 손미희 (경기도 보건환경연구원) ;
  • 권혜정 (경기도 보건환경연구원) ;
  • 이정복 (경기도 보건환경연구원) ;
  • 김종찬 (경기도 보건환경연구원)
  • Kim, Jae-Kwan (Gyeonggi-do Institute of Health and Environment) ;
  • Choi, Ok-Kyung (Gyeonggi-do Institute of Health and Environment) ;
  • Hwang, Sun-Il (Gyeonggi-do Institute of Health and Environment) ;
  • Jeong, Jin-A (Gyeonggi-do Institute of Health and Environment) ;
  • Kim, Yun-Sung (Gyeonggi-do Institute of Health and Environment) ;
  • Park, Sin-Hee (Gyeonggi-do Institute of Health and Environment) ;
  • Son, Mi-Hui (Gyeonggi-do Institute of Health and Environment) ;
  • Kwon, Hye-Jung (Gyeonggi-do Institute of Health and Environment) ;
  • Lee, Jung-Bock (Gyeonggi-do Institute of Health and Environment) ;
  • Kim, Jong-Chan (Gyeonggi-do Institute of Health and Environment)
  • 발행 : 2007.12.31
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초록

The possibility of rapid quantitative analysis of AV(Acid Value), IV(Iodine Value) and fatty acids in vegetable oils with NIRS(Near-infrared spectroscopy) was evaluated. A calibration equation calculated by MPLS regression technique was developed and correlation coefficient of determination for AV, IV, $C_{16:0},\;C_{18:0},\;C_{18:1},\;C_{18:2},\;C_{18:3},\;and\;C_{20:0}$ content were 0.9727, 0.997, 0.9805, 0.942, 0.9987, 0.9994, 0.9966, and 0.975 respectively. According to the data obtained from validation study, $R^2$ of contents of perilla, corn, soybean, rapaseed oils were 0.897, 0.993, 0.935, 0.707, 0.994, 0.996, 0.984, 0.798, SEP of contents of 0.185, 1.367, 0.899, 0.640, 1.498, 1.360, 0.476, 0.076 by MPLS. The results indicate that the NIRS procedure can potentially be used as a non-destructive analysis method for the rapid and simple measurement of AV, IV and fatty acids in vegetable oils.

키워드

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