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Characteristics of Electrolyzed Water Manufactured from Various Electrolytic Diaphragm and Electrolyte  

정진웅 (한국식품개발연구원)
김종훈 (한국식품개발연구원)
김병삼 (한국식품개발연구원)
정승원 (한국식품개발연구원)
Publication Information
Food Science and Preservation / v.10, no.1, 2003 , pp. 99-105 More about this Journal
Abstract
This study was carried out to investigate the efficacy of surface sterilization and the physicochemical properties of electrolyzed water manufactured from various electrolytic diaphragm and electrolyte. Physical properties of electrolyzed water manufactured from the diaphragm system were the most effective at the following conditions; the distance between diaphragms was 1.0 mm and the supplying rate of 20% NaCl was 6 mL/min. The ORP, HClO content and pH at above conditions were 1,170 mV, 100 ppm and 2.5, respectively. And two stage electrolyzed system was more effective than one stage electrolyzed water manufactured from non-diaphragm system, with 4 mL/min supplying rate of 20% NaCl, was similar to the most effective diaphragm system. But ORP, HClO content and pH were abut 800 mV, 200 ppm and 9 level, respectively. Sealed electrolyzed water could be preserved more than one month at room temperature with ORP of 750 mV in non-diaphragm system and 1,150 mV in diaphragm system, and HClO content of 100 ppm. Twelve kinds of microorganism tested were sterilized within 30 seconds from initial total counts of 10$\^$5/∼10$\^$6/cfu/ml by electrolyzed water. Though the ORP and HCIO contents of electrolyzed water manufactured from various electrolyte were higher in order of NaCl>KCl>CaCl$_2$, there were no difference between the electyolytes in the efficacy of sterilization. Salmonella typhi and Vibrio Proteolyticus were also sterilized by electrolyzed water manufactured from elctrolytes of NaCl CaC1$_2$and KCl
Keywords
electrolyzed water; surface sterilization; electrolytic diaphragm; electrolytes;
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