Dihydrogenistein-Producing Bacterium TM-40 Isolated from Human Feces
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概要
- 論文の詳細を見る
Recently there has been great interest in the biological effects of isoflavones. Intestinal flora play an important role in the metabolism and bioavailability of isoflavones. To estimate the effects of dietary isoflavones on physiological function, it is also important to estimate the role of intestinal flora on the metabolism and absorption of isoflavones. However, to date there have been few reports of intestinal bacteria that metabolize genistein into dihydrogenistein. Formerly, we isolated the dihydrodaidzein-producing intestinal bacterium TM-40 from a healthy boys feces. The strain TM-40 produce dihydrodaidzein from daidzein and daidzin. The 16S rRNA partial sequence of strain TM-40 showed a 93% similarity to that of Coprobacillus catenaformis (Accession no: AB030218). This strain seems to be a new species and was found to metabolize genistein into dihydrogenistein. We demonstrate that the dihydrogenistein-producing intestinal bacterium was harbored in a healthy boys feces. This is the first report of a dihydrogenistein-producing intestinal bacterium being harbored in a healthy boys feces.
- 社団法人 日本食品科学工学会の論文
- 2007-05-01
著者
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Tsushida Tojiro
National Food Research Institute
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Ohnishi Kameyama
National Food Research Institute
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TAMURA Motoi
National Food Research Institute
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Ohnishi Kameyama
National Agriculture And Food Research Organization National Food Research Institute
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NAKAGAWA Hiroyuki
National Food Research Institute, NARO
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Tamura Motoi
National Food Research Institute Naro
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Tsushida Tojiro
National Food Res. Inst. Tsukuba Jpn
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Nakagawa Hiroyuki
National Food Research Institute Naro
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Tamura Motoi
National Food Res. Inst. Ibaraki Jpn
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Nakagawa Hiroyuki
National Food Research Institute
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