Authentication of Rapeseed Oil Using an Electronic Nose Based on Mass Spectrometry

MS-전자코를 이용한 유채유의 진위 여부 판별

  • Hong, Eun-Jeung (Department of Food Science and Technology, Seoul Women's University) ;
  • Son, Hee-Jin (Department of Food Science and Technology, Seoul Women's University) ;
  • Choi, Jin-Young (Department of Food and Nutritional Sciences, Hanbuk University) ;
  • Noh, Bong-Soo (Department of Food Science and Technology, Seoul Women's University)
  • 홍은정 (서울여자대학교 식품공학과) ;
  • 손희진 (서울여자대학교 식품공학과) ;
  • 최진영 (한북대학교 식품영양학과) ;
  • 노봉수 (서울여자대학교 식품공학과)
  • Received : 2010.09.14
  • Accepted : 2010.10.21
  • Published : 2011.02.28


To determine mixing ratios for mixtures of rapeseed oil and other oils, an electronic nose (E-nose) based on a mass spectrometer system was used. Rapeseed oil was blended with soy bean oil or corn oil at ratios of 100:0, 97:3, 94:6, 91:9, 88:12, 85:15, and 80:20, respectively. The intensities of each fragment from the mixed rapeseed oil by E-nose based on MS were completely different from those of the soy bean oil and corn oil. The obtained data were used for discriminant function analysis (DFA). DFA plots indicated a significant separation of pure rapeseed oil and soy bean oil or corn oil and their mixtures. The added concentration of soy bean oil or corn oil to rapeseed oil was highly correlated to the first discriminant function score (DF1). When soy bean oil was added to rapeseed oil, it was possible to predict the following equation: DF1=-0.170*conc. of soy bean oil+0.431 ($r^2=0.989$). For corn oil the equation was: DF1=-0.1*conc. of corn oil+0.4 ($r^2=0.844$). The use of an E-nose based on a MS system is as an efficient method for the authentication of pure rapeseed oil.


Supported by : 한국연구재단


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