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Assessing biofilm formation by Listeria monocytogenes


Citation

Fouladynezhad, Nina and Afsah Hejri, Leili and Rukayadi, Yaya and Mohammed, Abdulkarim Sabo and M. N., Marian and Radu, Son (2013) Assessing biofilm formation by Listeria monocytogenes. International Food Research Journal, 20 (2). pp. 987-990. ISSN 1985-4668; ESSN: 2231-7546

Abstract / Synopsis

Listeria monocytogenes(L. monocytogenes) is a serious food-borne pathogen for immunocompromised individuals. L. monocytogenes is capable of producing biofilm on the surface of food processing lines and instruments. The biofilm transfers contamination to food products and impose risk to public health. Transfers contamination to food products, and impose risk hazard to public health. The aim of this study was to investigate biofilm producing ability of L. monocytogenes isolates. Microtitre assay was used to measure the amount of biofilm production by ten L. monocytogenes isolates from minced chicken / meat, sausages and burgers. Results showed that all 10 L. monocytogenes isolates were able to form biofilm after 24 h at 20 ̊C on polystyrene surface (the common surface in food industries). Some strains were capable of forming biofilm more than the others. All strains showed a slight raise in the quantities of attached cells over 48 and 72 h. L. monocytogenes strains isolated from minced chicken, minced meat and burgers were better biofilm-producers comparing to the strains isolated from sausages.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Technology
Publisher: Faculty of Food Science and Technology, Universiti Putra Malaysia
Keywords: Biofilm; Listeria monocytogenes; Microtitre plate assay
Depositing User: Khairil Ridzuan Khahirullah
Date Deposited: 28 Dec 2014 14:42
Last Modified: 02 Jun 2015 09:44
URI: http://psasir.upm.edu.my/id/eprint/30527
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