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KMID : 0881720110260040330
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Journal of Food Hygiene and Safety
2011 Volume.26 No. 4 p.330 ~ p.335
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Transfer Rate of Cross Contamination of Listeria monocytogenes between Pork Meat and Workers’ Hands during Pork Meat Processing
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Kim Seong-Jo
Park Myoung-Su
Bahk Gyung-Jin
S. M. E. Rahman
Park Joong-Hyun
Oh Deog-Hwan
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Abstract
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This study was performed to determine the transfer rates of each foodborne pathogen from pork meat packaging during the processing. We analyzed the transfer rate of Listeria monocytogenes from contaminated pork meat to worker's hands (wearing polyethylene gloves, PEG; cotton gloves, CG; and bare hands), cutting boards and knives, and vice versa. Transfer rate of CG 100.00% was higher than that of bare hands 2.513% and PEG 1.511%. In particular, when wearing CG, the transfer rate from the CG to bare hands with CG was 0.08%. Also, the range of transfer rates from contaminated pork meat to cutting board and knife was 0.352-3.791%. In contrast, transfer rates from the workers’ hands (with PEG/CG and bare hands) to cutting board, knife, and pork meat ranged from 0.001 to 0.141%. There was a lower transfer rate from workers’ hands than from pork meat. These findings indicate that use of PEG could effectively reduce or prevent the cross-contamination compared to CG and provide important information concerning the consecutive transfer of L. monocytogenes during food processing.
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KEYWORD
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Listeria monoctogenes, transfer rate, cross-contamination
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