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KMID : 1134820130420091475
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Journal of the Korean Society of Food Science and Nutrition
2013 Volume.42 No. 9 p.1475 ~ p.1481
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Safety Evaluation of 30 kGy-Irradiated Dakgalbi
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Jeon Young-Eun
Yin Xing-Fu
Kim Tae-Keun
Kang Il-Jun
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Abstract
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The aim of this study was to determine the potential toxicity of gamma-irradiated Dakgalbi keeping in mind its future use as a space food. Dakgalbi was irradiated at a dose of 30 kGy at -20oC. AIN-93G was used as a control diet in the animal study. Both irradiated and non-irradiated Dakgalbi diets were administered to two groups of ICR mice (ten male and ten female mice per group) for 3 months. During the experimental period, we observed that the mice fed the 30 kGy-irradiated Dakgalbi did not show any changes in appearance, behavior, mortality, body weight, organ weight, or food consumption compared to the control mice group. In addition, all biochemical parameters of these mice, including hematology profiles, erythrocyte counts, and serum biochemical values, remained in the normal range. The histopathological examinations of liver and kidney tissues showed no significant differences between the control group and the group fed the 30 kGy-irradiated Dakgalbi. These results indicate that Dakgalbi irradiated at 30 kGy did not cause any toxic effects in mice and therefore it can be considered as safe and hygienic space food.
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KEYWORD
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Dakgalbi, gamma irradiation, toxicity, safety, space food
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