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http://dx.doi.org/10.3746/jkfn.2002.31.6.965

Inhibition Effect of Sanitizers against E. coli and a Hygienic Condition on the Surface of Utensils and Equipments Used to Food Service  

김이선 (부산대학교 식품영양학과)
전영수 (부산대학교 식품영양학과)
한지숙 (부산대학교 식품영양학과)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.31, no.6, 2002 , pp. 965-970 More about this Journal
Abstract
This study was conducted to investigate inhibition effect of sanitizers against E. coli and a hygienic condition on the surface of utensils and equipments which were used to food service. Samples swabbed using cotton were collected from the surface of stainless steel, wood and plastic utensils and equipments which were used to food service at four elementary schools in Busan and analyzed by measuring the total, coliform and Salmonella spp. count. Total plate counts were 10$^4$~10$^{5}$ CFU/100 cm$^2$ in most of utensils and equipments except plastic cutting board. There were lots of coliforms in slicer (2.8$\times$10$^1$CFU/100 cm$^2$) and peeler (1.1$\times$10$^1$CFU/100 cm$^2$). It was indicated that the sanitary condition of some utensils and equipments such as slicer and peeler should be improved promptly. To investigate inhibition effect of sanitizers against E. coli, the surface of utensils and equipments used in food service was treated at different concentration of sodium hypochlorite for 1 minute and 3 minutes, respectively. The plastic utensils and equipments were most effective aganist E. coli at 100 ppm sodium hypochlorite for 3 minutes. But the stainless steel and wood were most effective at 200 ppm sodium hypochlorite for 3 minutes. It was also treated with 70% ethyl alcohol for 10 seconds and 30 seconds, respectively. The stainless steel utensils and equipments were most effective aganist E. coli at 10 seconds, but plastic and wood were most effective at 30 seconds. Therefore, the results of this study indicated that standardization of disinfection method of utensils and equipments used in food service should be given and sanitation training for dietition should be conducted continuously.
Keywords
hygienic condition; utensils and equipments; food service;
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