次亜鉛素酸水による細菌類の不活化

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タイトル別名
  • Inactivation of Bacteria by the Hypochlorous Acid Water
  • ジアエンソサンスイ ニヨル サイキンルイ ノ フカツカ

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In this study, disinfection experiment by the hypochlorous acid water for bacteria was carried out.The object bacteria was made to be general bacterium, coliform organisms, heterotrophic bacterium and Legionella. The hypochlorous acid water added 2.2～4.4mg/L at the total chlorine concentration. As the result, coliform organisms and Legionella were not detected. And, bacteria and heterotrophic bacterium were 99.99～100% inactivation rate. The number of bacteria which adhered to green vegetables was high, and the maximum value of number of general bacterium became 105CFU/mL, and 104CFU/mL was detected the coliform organisms. Disinfection experiment by the hypochlorous acid water was carried out to the green vegetables in which bacteria adhered. As the result, bacteria and coliform organisms were not detected from the green vegetables. However, it was confirmed that bacteria did the survival in the position which was difficult to contact the hypochlorous acid water. The disinfection experiment by the hypochlorous acid of bacteria which adhered to hand, finger and keyboard of personal computer was carried out.As the result, the disinfection effect was clear.

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