<i>Lactobacillus plantarum</i> ONRIC b 0240 enhanced salivary IgA in healthy adult volunteers.

  • KISHI Kazumasa
    Otsu Nutraceutical Research Institute, Otsuka Pharmaceutical Co. Ltd.,
  • KOTANI Yoshifumi
    Otsu Nutraceutical Research Institute, Otsuka Pharmaceutical Co. Ltd.,
  • YAMAHIRA Satoko
    Otsu Nutraceutical Research Institute, Otsuka Pharmaceutical Co. Ltd.,
  • TOBA Masamichi
    Otsu Nutraceutical Research Institute, Otsuka Pharmaceutical Co. Ltd.,
  • OKAMATSU Hiroshi
    Otsu Nutraceutical Research Institute, Otsuka Pharmaceutical Co. Ltd.,
  • MIHARA Syuichi
    Japanese Red Cross Kumamoto Health Care Center
  • TSURUTA Yoko
    FacuIty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
  • TAKEHARA Misa
    FacuIty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
  • AKAHOSHI Asuka
    FacuIty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
  • MINAMI Hisanori
    FacuIty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto

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  • Lactobacillus plantarum ONRICb0240は健康成人の唾液IgA量を高める
  • Lactobacillus plantarum ONRIC b0240 enhanced salivary IgA in healthy volunteers

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This study examined the effect of Lactobacillus plantarum ONRIC b 0240 (L.p.b 0240) on the amounts of salivary and fecal IgA in adult volunteers. A double-blind comparative study was conducted on healthy adult volunteers. Thirty subjects were randomly divided into three groups, control group, L.p.b 0240 (2x109 CFU) group and L.p.b 0240 (2x109 CFU) group, and their diets were supplemented for 3 weeks. Twenty-six subjects completed the study. The results show the salivary IgA secretion rate was significantly higher for the L.p.b 0240 group than that of the control group. Furthermore, the amount of fecal IgA was higher in the L.p.b 0240 group than that of the control group, but not significantly. In addition, no adverse reaction was observed after oral administration of L.p.b 0240 during the study. These results suggest that L.p.b 0240 may con- tribute to the host defense through the enhancement of the mucosal immune function.

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