Effect of acid-electrolyzed water on bacteria of upper respiratory tract infections
by Chih-Chieh Chang, Chin-Kun Wang, Hui-Fang Chiu, You-Chen Shen
Abstract:
People are aware of the importance of health, especially the effect of electrolyzed water. So the market for electrolyzed water-related equipment has increased recently. People only know the importance of alkaline-electrolyzed water to health, but the effects of acid-electrolyzed water are not as well known. In this study, we evaluated the characteristics and functions of acid-electrolyzed water obtained from tap water by home use of an electrolyzed water machine. The pH and oxidation reduction potential (ORP) were greatly changed after electrolysis. Four different pH values (with different ORPs) of acid-electrolyzed water (pH 6.2, ORP = 55 mV; pH 5.9, OPR = 72 mV; pH 5.4, OPR = 100 mV; and pH 3.8, OPR = 190 mV) were used to evaluate the effect on various bacteria from the upper respiratory tract ( including Escherichia coli, Streptococcus pneumoniae, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, and Beta-Streptococcus) . Results showed that acid-electrolyzed water significantly suppressed the survival of all bacteria, and the survival of bacteria showed negative correlations with ORP (r = -0.7158 to -0.9982) and time (r = -0.8688 to -1.0000). For practical use, clinical applications of acid-electrolyzed water are required in the future.
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