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:: Volume 12, Issue 3 (10-2007) ::
__Armaghane Danesh__ 2007, 12(3): 47-57 Back to browse issues page
Biofilm Formation of Listeria monocytogenes on Various Surfaces
M Mahdavi, M Jalali 1, R Kasra kermanshahi
1- , Jalali@mui.ac.ir
Abstract:   (2636 Views)
Introduction & Objective: Listeria monocytogenes is considered as a ubiquitous foodborne pathogen which can lead to serious infections, especially in newborns, elderly, pregnant, and immunocompromised people. The organism has been isolated from many foods and may cause meningitis, septicemia and abortion in pregnant women. Also L. monocytogenes forms biofilms on many food contact surface materials and medical devices. Development of biofilms on many surfaces is a potential source of contamination of foods that may lead to spoilage or transmission of foodborne pathogens. Materials & Methods: Biofilm formation of L. monocytogenes (RITCC 1293 serotype 4a) was investigated. Hydrophobicity of L. monocytogenes was measured by MATH method. Then biofilm formation of the organism was assessed at 2, 4, 8, 16 and 20 hours on stainless steel (type 304 no 2B), polyethylene and glass by drop plate method. Results: Results indicated that L. monocytogenes with 85% of hydrophobicity formed biofilm on each of three surfaces. Biofilm formation on stainless steel surfaces was significantly more than other surfaces (p<0.05). Conclusion: The ability of biofilm formation of L. monocytogenes on medical devices and food containers is very important as far as hygiene and disease outbreaks are concerned.
Keywords: Stainless Steel, Food Packaging, Biofilm, Listeria monocytogenes, Hydrophobicity
Full-Text [PDF 506 kb]   (943 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/06/1 | Accepted: 2015/06/1 | Published: 2015/06/1
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Mahdavi M, Jalali M, Kasra kermanshahi R. Biofilm Formation of Listeria monocytogenes on Various Surfaces. Armaghane danesh. 2007; 12 (3) :47-57
URL: http://armaghanj.yums.ac.ir/article-1-665-en.html


Volume 12, Issue 3 (10-2007) Back to browse issues page
ارمغان دانش Armaghane danesh
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