Change in Mutagenic Activity of Genistein after a Nitrite Treatment
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- MASUDA Shuichi
- School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka
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- SHIMAMURA Yuko
- School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka
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- KATO Tatsuya
- School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka
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- YU-FENG Tan
- Zhejiang Academy of Medical Sciences Zhejiang Academy of Medical Sciences
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- IWAMOTO Ken-ichi
- School of Pharmaceutical Sciences, University of Shizuoka School of Pharmaceutical Sciences, University of Shizuoka
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- KINAE Naohide
- School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka School of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka
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This study examined the mutagenic activity of genistein after a nitrite treatment under acidic conditions. Nitrite-treated genistein exhibited mutagenic activity toward Salmonella typhimurium strains TA 100 and TA 98 with or without S9 mix. Nitrite-treated genistein was demonstrated by electron spin resonance to generate radicals. An instrumental analysis showed 3'-nitro-genistein to have been formed in the reaction mixture. However, 3'-nitro-genistein did not exhibit mutagenic activity toward the S. typhimurium strains, suggesting that other mutagens might also have been formed in the reaction mixture. The clastogenic properties of nitrite-treated genistein and 3'-nitro-genistein were examined by a micronucleus test with male ICR mice. Nitrite-treated genistein and 3'-nitro-genistein showed a significantly higher frequency of micronucleated reticulocytes in mice than in the control group. These results suggest that a daily oral intake of genistein and nitrite through foodstuffs might induce the formation of various mutagenic compounds in the body.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 76 (5), 938-941, 2012
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681454331776
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- NII論文ID
- 10030752757
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- NII書誌ID
- AA10824164
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- COI
- 1:STN:280:DC%2BC38jltlOgug%3D%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 023681907
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- PubMed
- 22738963
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可