超酸化水による手指および環境消毒の検討

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The disinfection efficacy of superoxidized water on hands, floors and working tables was examined. Superoxidized water was produced by the electrolysis of water. An agar sausage method was empoloyed to compare superoxidized water, 0.2% benzalkonium chloride in ethanol lotion (BAC-EtOH), and 0.3% triclosan with respect to the bacterial elimination effect on the resident flora of the hands (14 subjects). The mean reductions (%) of bacteria after disinfection were 86.5% for superoxidized water, 96.5% for BAC-EtOH, and 37.1% for triclosan, with the difference between superoxidized water and BAC-EtOH treatment not being statistically significant in terms of the reduction (%). However, handborne bacteria were eliminated more effectively with Superoxidized water than with triclosan after scrubbing. Furthermore, the disinfection efficacy of superoxidized water was examined on the unused parenteral bottles returned from the general wards. The bottles were disinfected for 5 min with Superoxidized water resulting in complete inhibition of bacterial survival. Bacterial surface contamination of floors and working tables was measured by standard agar method for total bacteria and mannitol salt oxacillin agar method for oxacillin-resistant Staphylococci. Following the disinfection with Superoxidized water, the mean reductions (%) of bacteria on floors and tables were estimated as being 86.7-100% for total bacteria and 100 for oxacillin-resistant Staphylococci. These results suggest that superoxidized water might be useful for disinfecting the hands and environment in hospital practice.
日本医療薬学会の論文
1995-12-10

超酸化水による手指および環境消毒の検討

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