Influence of different organic materials on chlorine concentration and sanitization of slightly acidic electrolyzed water
2018
Jo, Hyeon-Yeong | Tango, Charles Nkufi | Oh, Deog-Hwan
The objective of the present study was to determine the effect of organic materials on chlorine concentration through in vitro assays to identify the most critical organic material affecting the sanitization of slightly acidic electrolyzed water (SAEW) during washing process. Organic materials (100–1000 mg/L) were added into SAEW solution and consumption of free chlorine was recorded. Inactivation of pathogens was performed in present of these organic materials. Depletion of free chlorine and sanitization efficacy of SAEW were determined during vegetables and meats samples washing processes. Results of this study showed that protein compounds had more detrimental effects on sanitization efficacy than lipids and carbohydrates. In the presence of carbohydrate and lipid compounds, pathogen population were decreased below the detection limits within 3 min. However, SAEW effect was decreased with increasing protein concentration. During simulation of washing processes, free chlorine was more quickly consumed in reactions containing organic materials for meats compared to those for vegetable produce. However, such difference in chlorine depletion did not significantly influence bacterial reduction between meats and vegetable produce. These results indicate that the optimization of SAEW washing should consider both the amount and the type of organic materials constituting the fresh produce.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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