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Authentication of Sesame Oil with Addition of Perilla Oil Using Electronic Nose Based on Mass Spectrometry  

Son, Hee-Jin (Department of Food science and Technology, Seoul Women's University)
Kang, Jin-Hee (Department of Food science and Technology, Seoul Women's University)
Hong, Eun-Jeung (Department of Food science and Technology, Seoul Women's University)
Lim, Chae-Lan (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)
Publication Information
Korean Journal of Food Science and Technology / v.41, no.6, 2009 , pp. 609-614 More about this Journal
Abstract
Sesame oil was sometimes replaced by mixed oil due to high price in Korean market. To find out authentic sesame oil, electronic nose (E-nose) based on mass spectrometer system was used. Sesame oil was blended with perilla oil at the ratio of 97:3, 94:6, 91:9, 88:12 and 85:15, respectively. Intensities of each fragment from sesame oil by E-nose based on MS were completely different from those of perilla oil. The obtained data was used for discriminant function analysis. For quantitative analysis, the partial least square algorithm was used. The added concentration of perilla oil to sesame oil was correlated with discriminant function first score (DF1) and second score (DF2). From this relationship it could be found out how much perilla oil added. DFA plot indicated a significant separation of pure sesame oil and pure perilla oil. The different geographical origin of sesame oil was used for blending with perilla oil were closed to that of sesame oil. Korean sesame oil mixture and Indian sesame oil one were well separated. And the correlation between mixing ratios and DF1 values was found at the ratio of 97:3, 91:9, and 85:15 (SE vs PE oil), respectively. But the added concentration of perilla oil to sesame oil was correlated with discriminant function first score (DF1). E-nose based on MS system could be used as an efficient method for purity of oil quality.
Keywords
sesame oil; perilla oil; electronic nose; mass spectrometry;
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Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By SCOPUS : 7
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