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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Toxigenicity and genetic diversity of Staphylococcus aureus isolated from Vietnamese ready-to-eat foods
Food Control, Volume 21, No. 2, Year 2010
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Description
The aim of this study was to investigate the prevalence and genetic diversity of Staphylococcus aureus and staphylococcal enterotoxins (SEs) in ready-to-eat foods marketed in Hanoi, Vietnam. Out of 212 samples tested, 45 were contaminated with this bacterium and 18 contained strains having classical SEs. Among different food products, the bacterial occurrence ranged between 12.5% and 35.4% and milk samples had the highest prevalence. The production of SEs varied according to the food types and 26 different ribotype patterns were observed among the 45 strains. Our dendogram analysis showed the existence of many clones without clear-cut affiliation to any particular food type indicating both diverse primary and secondary contamination sources. The SEs also occurred in a wide variety of genetically different S. aureus strains which might facilitate the bacterium with better ecological fitness to cause epidemics. It can be concluded that Vietnamese ready-to-eat foods pose a high risk of contamination by toxigenic S. aureus population urging the need of implementing proper hygienic practices. © 2009 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Huong, Bui Thi Mai
Japan, Tokushima
Tokushima University
Viet Nam, Hanoi
National Institute of Nutrition Vietnam
Mahmud, Zahid Hayat
Japan, Tokushima
Tokushima University
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Neogi, Sucharit Basu
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Kassu, Afework
Japan, Tokushima
Tokushima University
Alizadeh, Mohammad
Japan, Tokushima
Tokushima University
Yamato, Masayuki
Japan, Tokushima
Tokushima University
Ota, Fusao
Japan, Tokushima
Tokushima University
Statistics
Citations: 49
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1016/j.foodcont.2009.05.001
ISSN:
09567135
Research Areas
Food Security
Genetics And Genomics
Study Design
Cross Sectional Study