감마선 조사된 채취 미역의 유전독성학적 안전성 평가
Genotoxicological Safety of Undaria pinnatifida Gamma-irradiated after Harvest
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초록
This study was conducted to evaluate the genotoxcity of gamma-irradiated Undariapinnadifida after harvest for enhancing the storage and microbial safety during drying process. The harvested seaweed was irradiated with the doses of 1 and 10 kGy. The genotoxicity was evaluatedby Ames test (Salmonella typhimurium reversion assay) and SOS chromotest. The results fromall samples were negative in the bacterial reversion assay with S. typhimurium TA98 and TA100. No mutagenicity was detected in the assay, at both with and without metabolic activation. TheSOS chromotest also indicated that the gamma-irradiated U. pinnadifida did not show any mutagenicity. Therefore, this study indicated that gamma irradiation could be used for extending theshelf-life of U. pinnadifida.
Abstract
This study was conducted to evaluate the genotoxcity of gamma-irradiated Undariapinnadifida after harvest for enhancing the storage and microbial safety during drying process. The harvested seaweed was irradiated with the doses of 1 and 10 kGy. The genotoxicity was evaluatedby Ames test (Salmonella typhimurium reversion assay) and SOS chromotest. The results fromall samples were negative in the bacterial reversion assay with S. typhimurium TA98 and TA100. No mutagenicity was detected in the assay, at both with and without metabolic activation. TheSOS chromotest also indicated that the gamma-irradiated U. pinnadifida did not show any mutagenicity. Therefore, this study indicated that gamma irradiation could be used for extending theshelf-life of U. pinnadifida.
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