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http://dx.doi.org/10.9721/KJFST.2016.48.5.399

Detection of irradiated food using photostimulated luminescence and thermoluminescence  

Jung, Yoo-Kyung (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Lee, Ji-Yeon (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Kang, Tae-Sun (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Jo, Cheon-Ho (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Lee, Jae-Hwang (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Choi, Jang-Duck (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Kwon, Ki-Sung (New Hazardous Substances Team, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Publication Information
Korean Journal of Food Science and Technology / v.48, no.5, 2016 , pp. 399-404 More about this Journal
Abstract
The applicability of photostimulated-luminescence (PSL) and thermoluminescence (TL) for the detection of 12 food materials (potato, onion, garlic, dried pumpkin, black mushroom, black soybean, Cheongkukjang powder, sea mustard, pepper powder, Ramyun soup, corn tea, and green tea powder) irradiated with an electron beam, gamma ray, and X ray at a range of 0.15 to 10 kGy was investigated. For PSL, negative results (less than 700 photon counts (PCs)) were observed from non-irradiated foods while the irradiated foods showed intermediate (879 to 2,414 PCs) and/or positive (19,951 to 65,919,035 PCs) values. In all irradiated samples, the maximum peak of the TL glow curve was observed between 150 and $250^{\circ}C$. Our findings demonstrate the successful application of PSL and TL to determine whether food items were irradiated or not. However, there were no significant differences among the radiation sources.
Keywords
photostimulated-luminescence (PSL); thermoluminescence (TL); food irradiation; electron beam; gamma ray; X-ray;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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