방사선 조사 복합조미식품과 향신료의 확인을 위한 PSL-TL의 적용
(주)코리아스칼라
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- 2023.04.05
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- 2008.09
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서지정보
ㆍ발행기관 : 한국식품위생안전성학회
ㆍ수록지정보 : 한국식품위생안전성학회지 / 23권 / 3호
ㆍ저자명 : 정형욱, 박성국, 한상배, 최동미, 이동하
영어 초록
Photostimulated luminescence (PSL)-Thermoluminescence (TL) combined analysis was applied to detect whether composite seasoning products and spices were irradiated or not. Samples were irradiated with 60Co at 0~7 kGy. A total of 12 different samples (6 of composite seasoning products and 6 of spices) was examined. Depending on the PSL results, TL analysis was performed. In case of both PSL positive ( ≥ 5,000 counts) and intermediate (700~5000 counts), TL analysis had to be performed to confirm the result of PSL. Using TL, the shape of the glow curve (Glow 1) made it possible to identify the irradiated samples. In addition, The TL glow ratio (Glow 1/Glow 2) obtained by normalization was less than 0.1 for the non-irradiated samples and ≥ 0.29 for irradiated ones, respectively.
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