A Study on Hygiene and Safety of Sanitary Wet Towel
2016
Kim, Y.S., Gyeonggi Province Institute of Public Health and Environment, Suwon, Republic of Korea | Kim, Y.H., Gyeonggi Province Institute of Public Health and Environment, Suwon, Republic of Korea | Kim, Y.S., Gyeonggi Province Institute of Public Health and Environment, Suwon, Republic of Korea | Kim, D.H., Gyeonggi Province Institute of Public Health and Environment, Suwon, Republic of Korea | Ryu, K.S., Gyeonggi Province Institute of Public Health and Environment, Suwon, Republic of Korea | Yoon, M.H., Gyeonggi Province Institute of Public Health and Environment, Suwon, Republic of Korea
The risks of sanitary indicative bacteria, heavy metals and chlorinated derivatives in 94 cases of sanitary wet towels used in food services (39 from sanitary wet towel treatment business, 55 from food services) were assessed in the present study. Lead was detected in the range of N.D.~0.41 mg/kg (75 cases were not detected), N.D.~ 0.25 mg/kg of arsenic (93 cases were not detected), N.D.~0.01 mg/kg of cadmium (7 cases were lower than limit of quantitation; 87 cases were not detected), 0.003 mg/kg ~ 0.09 mg/kg of mercury. And chromium (VI) was not detected from all samples. The level of lead was the highest among the tested heavy metals, and the highest concentration of lead was 0.41 mg/kg. However, it was only 2.1% of legal limit (less than 20 mg/kg). The average moisture content of the samples was 61.9% (50.0% ~ 77.0%) and it showed no relevance to the detection of bacterial counts. Escherichia coli was not detected. Bacterial counts were detected 43 cases and among them, 24 cases were exceeded the legal limit. It was verified that the packaging conditions of sanitary wet towel (whether it is packed by a piece or not and sealed or not) are critical factors to cause the germ contamination and cross contamination in the wet towels. The chlorinated derivatives (chlorites and chlorates) were detected in 17 (19.3%) out of 88 cases. The results would be used as preliminary information to establish the programs of Safety education for manufacturers and public policy of safety.
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