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A Study on the Determination of Adulteration of Sesame Oil by Near Infrared Spectroscopy  

Noh, Mi-Jung (Drug and Toxicology Division, Forensic Science Department, National Institute of Scientific Investigation)
Jeong, Jin-Il (Drug and Toxicology Division, Forensic Science Department, National Institute of Scientific Investigation)
Min, Seung-Sik (Drug and Toxicology Division, Forensic Science Department, National Institute of Scientific Investigation)
Park, Yoo-Sin (Drug and Toxicology Division, Forensic Science Department, National Institute of Scientific Investigation)
Kim, Soo-Jeong (Experimental Research Institute of National Agricultural Products Quality Management Service)
Publication Information
Korean Journal of Food Science and Technology / v.36, no.4, 2004 , pp. 527-530 More about this Journal
Abstract
Adulteration of sesame oil using near infrared (NIR) spectroscopy was determined. Vegetable oils including sesame oil were scanned on the NIR spectrophotometer at 400-2500 nm. Partial least square (PLS) was applied on the standardized full NIR spectral data. Discriminant analysis with PLS is adequate for determination of sesame oil adulteration, except with decreasing adulteration rate. Designing of quality control system, which uses NIR spectroscopy to measure adulteration level of sesame oil is thus possible, although more work is required to give acceptable accuracy level.
Keywords
sesame oil; near infrared spectroscopy; adulteration;
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