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http://dx.doi.org/10.9721/KJFST.2012.44.4.467

Evaluation of the Bactericidal Activity of Electrolyzed Water against Salmonella Typhimurium and Staphylococcus aureus on Perilla Leaves  

Kim, Se-Ri (Department of Agro-Food Safety, NAAS, RDA)
Ryu, Kyoung-Yul (R&D Evaluation Division, Research Policy Bureau, RDA)
Lee, Myoung-Hee (Department of Functional Crop, NICS, RDA)
Jung, Chan-Sik (Department of Functional Crop, NICS, RDA)
Yoon, Yo-Han (Department of Food &Nutrition, Sookmyung Women's University)
Shim, Won-Bo (Division of Applied Life Science, Gyeongsang National University)
Kim, Ju-Hee (Department of Agro-Food Safety, NAAS, RDA)
Kim, Byung-Seok (Department of Agro-Food Safety, NAAS, RDA)
Yoo, Soon-Young (Seoul Regional Korea Food & Drug Administration)
Kim, Doo-Ho (Department of Agro-Food Safety, NAAS, RDA)
Yun, Jong-Chul (Department of Agro-Food Safety, NAAS, RDA)
Chung, Duck-Hwa (Division of Applied Life Science, Gyeongsang National University)
Publication Information
Korean Journal of Food Science and Technology / v.44, no.4, 2012 , pp. 467-471 More about this Journal
Abstract
This study was conducted to evaluate the bactericidal activity of weakly alkalic electrolyzed water (WEW) against Salmonella Typhimurium and Staphylococcus aureus on perilla leaves. The influences of organic matter, inform of bovine serum, and the ratio of WEW to perilla leaves on bactericidal activity of WEW were also examined. Treatment of these organisms with 25, 50, 75, and 100 ppm WEW was performed for 1 min, 3 min and 5 min, respectively. Higher bactericidal activity was observed after a treatment with 100 ppm WEW compared to a treatment with 25 ppm WEW by 0.7 $log_{10}CFU/g$. The bactericidal activity of WEW also decreased with increasing bovine serum concentration. At the ratio of 10:1 (WEW: perilla leave), levels of Salmonella Typhimurium and Staphylococcus aureus were only reduced by 0.57 and 0.79 $log_{10}CFU/g$, respectively. It is suggested that the removal of organic debris prior to application of sanitizers and treatment above the ratio of 25:1 (WEW: perilla leave) is needed in order to improve WEW activity.
Keywords
perilla leaves; weakly alkalic electrolyzed water; Salmonella Typhimurium; Staphylococcus aureus;
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Times Cited By KSCI : 3  (Citation Analysis)
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