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http://dx.doi.org/10.9721/KJFST.2013.45.5.652

Analysis of Geographical Origin of Red Ginseng Extract Using Mass Spectrometer-based Electronic Nose  

Kim, Ki Hwa (Department of Food Science and Technology, Seoul Women's University)
Dong, Hyemin (Department of Food Science and Technology, Seoul Women's University)
Han, Hyun Jung (Department of Food Science and Technology, Seoul Women's University)
Lee, Young Hyun (Department of Food Science and Technology, Seoul Women's University)
Moon, Ji Young (Department of Food Science and Technology, Seoul Women's University)
Bang, Kyong-Hwan (Ginseng Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration)
Noh, Bong Soo (Department of Food Science and Technology, Seoul Women's University)
Publication Information
Korean Journal of Food Science and Technology / v.45, no.5, 2013 , pp. 652-656 More about this Journal
Abstract
The geographical origin of red ginseng extract (RGE) was studied using a mass spectrometry based electronic nose. Imported RGE and domestic RGE were diluted to 12oBx. The treated RGE was analyzed, and discriminant function analysis (DFA) was used for discriminating of geographical origins. The DFA plots indicated a significant separation of imported RGE and domestic RGE. The F-value of discriminant function first score (DF1) was much higher than that of discriminant function second score (DF2), indicating that discrimination was mainly affected by DF1. Based on DF1, the concentration of domestic RGE to imported RGE shifted to the left side of DFA plot, and the mixing ratio highly correlated to DF1 value. Unknown sample (#2) was closely located to the sample of mixed imported : domestic (6:4) RGE. In the bar graph, the DF1 value correlated to the mixing ratio. Unknown samples (#2) were thought to be mixed with the imported RGE. This technique could be used to efficiently differentiate the geographical origin of RGE.
Keywords
red ginseng extract (RGE); geographical origin; flavor pattern; discrimination; electronic nose;
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Times Cited By KSCI : 5  (Citation Analysis)
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