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Incidence and characterization of Listeria monocytogenes from domestic and imported foods in Korea

Authors
Baek, SYLim, SYLee, DHMin, KHKim, CM
Issue Date
Feb-2000
Publisher
INT ASSOC MILK FOOD ENVIRONMENTAL SANITARIANS, INC
Citation
JOURNAL OF FOOD PROTECTION, v.63, no.2, pp 186 - 189
Pages
4
Journal Title
JOURNAL OF FOOD PROTECTION
Volume
63
Number
2
Start Page
186
End Page
189
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/16789
DOI
10.4315/0362-028X-63.2.186
ISSN
0362-028X
1944-9097
Abstract
A total of 1,537 domestic and imported food products were examined for the incidence of Listeria monocytogenes between 1993 and 1997 in Korea. L. monocytogenes was detected using the U.S. Department of Agriculture isolation method. Isolated L. monocytogenes was confirmed by polymerase chain reaction with hly1 and hly2 primers designed from the listeriolysin O. Overall, 122 samples (7.9%) contained L. monocytogenes. The rate of isolation was 4.3% for beef, 19.1% for pork, 30.2% for chicken, 1.2% for shellfish, 4.4% for raw milk, 4.4% for frozen smoked mussels, and 6.1% for ice cream. No L, monocytogenes was found in pasteurized milk pasteurized processed cheese, saltwater fish, dried seafoods, or ham. The overall incidence was lower than that reported in previous studies from other countries. Most isolates were serotype 1/2b except for chicken, in which serotype 1/2a was predominant. The serotyping results might imply the presence of food or geography-specific L. monocytogenes strains.
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