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|Section2= |Section3= }} Gossypetin is a flavonol, a type of flavonoid. It has been isolated from the flowers and the calyx of ''Hibiscus sabdariffa'' (roselle) and exhibits a strong antibacterial activity.〔(Antibacterial activity of gossypetin isolated from hibiscus sabdariffa )〕 〔Amitava Khan, Krishnendu Manna, Chinchubose, Mahuya Sinha, Dipesh Kr Das, Swaraj Bandhu Kesh, Anindita Chakrabarty, Asoke Banerji & Sanjit Dey: Gossypetin, a naturally occurring hexahydroxy flavones ameliorates gamma radiation mediated DNA damage International Journal Of Radiation Biology (2013):89(11): 965-975.〕 ==Metabolism== The enzyme 8-hydroxyquercetin 8-O-methyltransferase uses S-adenosyl methionine and gossypetin to produce S-adenosylhomocysteine and 3,5,7,3',4'-pentahydroxy-8-methoxyflavone. Recently it was shown that gossypetin has radioprotective activity. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gossypetin」の詳細全文を読む スポンサード リンク
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