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KMID : 1007520140230041237
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Food Science and Biotechnology
2014 Volume.23 No. 4 p.1237 ~ p.1241
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Transfer of Listeria monocytogenes between Abiotic Surfaces under Different Weights
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Lee Hai-Yen
Lay Ching Chai
Nor Ainy Mahyudin
Mitsuaki Nishibuchi
Son Radu
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Abstract
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Cross contamination of Listeria monocytogenes from two different surfaces (plastic wrappers and stainless steel coupons) was simulated using a series of different weights. Enumeration of transfer was based on surface bacterial counts of biofilm stained surfaces. Direct contact between 2 surfaces has a constant rate of transfer that is independent of the pressure applied. This is the first report on the study of cross contamination between surfaces using pressure to illustrate transfer of bacteria in a food processing line.
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KEYWORD
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Listeria monocytogenes, biofilm formation, stainless steel, plastic wrappers, pressure
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