The Bacteriocidal Effect of the Electrolysed Functioning Water against <I>Helicobacter pylori</I>

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  • NAKAO Miyuki
    Department of Nursing, Faculty of Health and Wdfare Science, Okayama Prefectural University
  • YOKOTA Kenji
    Department of Bacteriology, School of Medicine, Okayama University
  • OGUMA Keiji
    Department of Bacteriology, School of Medicine, Okayama University
  • TAKAI Kenichi
    Department of Nursing, Faculty of Health and Wdfare Science, Okayama Prefectural University

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Other Title
  • <I>Helicobacter pylori</I>に対する電解機能水の殺菌効果
  • Helicobacter pyloriに対する電解機能水の殺菌効果
  • Helicobacter pylori ニ タイスル デンカイ キノウスイ ノ サッキン コウカ
  • The Bacteriocidal Effect of the Electrolysed Functioning Water against Helicobacter pylori

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Abstract

The bacteriocidal effect of electrolysed functioning water against Helicobacter pylori was exam ined by both the culture method (viable count on agar plate) and the bacterial ATP content analysis (biolumminescence assay). The culture method revealed the water's reduced bacteriocidal effect on organic substances such as horse serum and bovine serum albumin. The bacterial ATP content determined by the treatment with lysis solution correlated with the bacterial cell count. The ATP of bacteria treated with electrolysed functioning water, benzalkonium chloride, and chlorhexidine gluconate was still present after contact with these solutions for 30 minutes, while the bacterial growth was completely inhibited by the culture method. Therefore, it was suggested that the bacterial ATP was derived from the coccoid form which was observed morphologically due to the action of these solutions. These results demontrate that these solutions are not effective bacteriocidally against the coccoid form. Consequently, when we utilize functioning water in the field, we should keep in mind its nonbacteriocidal effect against the coccoid form, as well as its reduced effect under the condition of the contamination by organic substances.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 74 (2), 120-127, 2000

    The Japanese Association for Infectious Diseases

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