Effects of Ingestion of Difructose Anhydride III (DFA III) and the DFA III-Assimilating Bacterium Ruminococcus productus on Rat Intestine

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We have isolated a difructose anhydride III (DFA III)-assimilating bacterium, Ruminococcus productus AHU1760, from human. After an acclimation period of 1 week, male Sprague-Dawley rats (5 weeks old) were divided into four groups (control diet, R. productus diet, DFA III diet, and R. productus + DFA III diet; n=8) and fed the assigned test diets for 2 weeks. The viable count of administered R. productus was 4.9×107 CFU/d in R. productus-fed rats and 4.7×107 CFU/d in R. productus + DFA III-fed rats. Survival in cecal content of this strain was confirmed by randomly amplified polymorphic DNA. The ratio of secondary bile acids in feces in R. productus + DFA III-fed rats decreased the same as that in rats fed only DFA III. The viable count of lactobacilli and bifidobacteria, known as beneficial bacteria, increased more in R. productus + DFA III-fed rats than in control or R. productus-fed rats. A combination of R. productus and DFA III might improve the balance of intestinal microbiota to a healthier condition.

We have isolated a difructose anhydride III (DFA III)-assimilating bacterium, <I>Ruminococcus productus</I> AHU1760, from human. After an acclimation period of 1 week, male Sprague-Dawley rats (5 weeks old) were divided into four groups (control diet, <I>R. productus</I> diet, DFA III diet, and <I>R. productus</I> + DFA III diet; <I>n</I>=8) and fed the assigned test diets for 2 weeks. The viable count of administered <I>R. productus</I> was 4.9×10<SUP>7</SUP> CFU/d in <I>R. productus</I>-fed rats and 4.7×10<SUP>7</SUP> CFU/d in <I>R. productus</I> + DFA III-fed rats. Survival in cecal content of this strain was confirmed by randomly amplified polymorphic DNA. The ratio of secondary bile acids in feces in <I>R. productus</I> + DFA III-fed rats decreased the same as that in rats fed only DFA III. The viable count of lactobacilli and bifidobacteria, known as beneficial bacteria, increased more in <I>R. productus</I> + DFA III-fed rats than in control or <I>R. productus</I>-fed rats. A combination of <I>R. productus</I> and DFA III might improve the balance of intestinal microbiota to a healthier condition.

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  • Bioscience, biotechnology, and biochemistry  

    Bioscience, biotechnology, and biochemistry 70(2), 332-339, 2006-02-23 

    Japan Society for Bioscience, Biotechnology, and Agrochemistry

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各種コード

  • NII論文ID(NAID)
    10018533896
  • NII書誌ID(NCID)
    AA10824164
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09168451
  • NDL 記事登録ID
    7833296
  • NDL 雑誌分類
    ZR7(科学技術--農林水産--農産) // ZR2(科学技術--生物学--生化学) // ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-G223
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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