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자료유형
학술저널
저자정보
저널정보
한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.6 No.4
발행연도
2001.12
수록면
216 - 223 (8page)

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A study was carried out to examine the effect of sample form, storage conditions on the accumulated PPSL signals. Korean perilla, sesame seeds were tested as whole samples, separated minerals. Radiation-induced PPSL signals of perilla, sesame seeds themselves significantly increased with irradiation dose up to 5 kGy. On the other hand, a slight decrease in the accumulated PPSL signals was shown at 10 kGy. Similar results were also found in separated minerals. The accumulated PPSL signals of irradiated samples decreased with increasing storage periods. The decay rate was higher in 5 or 10 kGy-irradiated samples than in 1 kGy, in room conditions than in darkroom conditions,, in sesame, perilla seeds themselves than in separated minerals. The accumulated PPSL signals of the irradiated samples measured for 120 s were higher than those measured for 60 s. These results indicated that although the PPSL signal of all samples decreased with increasing the storage time, detection of irradiated samples was still possible after 12 months of storage regardless of sample form, measurement times (60, 120 s) in both room, darkroom conditions.

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Abstract

INTRODUCTION

MATERIALS AND METHODS

RESULTS AND DISCUSSION

ACKNOWLEDGEMENTS

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