Prevalence and quantification of Listeria monocytogenes in beef offal at retail level in Selangor, Malaysia

Tang, John Yew Huat and Chee, Hao Kuan and Woan, Chwen Wong and Chai , Fung Pui and Mahyudin, Nor Ainy and Nishibuchi, Mitsuaki and Radu, Son (2014) Prevalence and quantification of Listeria monocytogenes in beef offal at retail level in Selangor, Malaysia. Brazilian Journal of Microbiology, 44 (4). pp. 1169-1172. ISSN 1517-8382

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Abstract

A total of 63 beef offal samples (beef liver = 16; beef lung = 14; beef intestine = 9; beef tripe = 15; beef spleen = 9) from three wet markets (A, B, and C) in Selangor, Malaysia were examined for the prevalence and microbial load of Listeria monocytogenes. A combination of the most probable number and polymerase chain reaction (MPN-PCR) method was employed in this study. It was found that L. monocytogenes detected in 33.33% of the beef offal samples. The prevalence of L. monocytogenes in beef offal purchased from wet markets A, B, and C were 22.73%, 37.50% and 41.18% respectively. The density of L. monocytogenes in all the samples ranged from<3upto> 2,400 MPN/g. The findings in this study indicate that beef offal can be a potential vehicle of foodborne listeriosis.

Item Type: Article
Keywords: Listeria monocytogenes, most probable number (MPN), polymerase chain reaction (PCR), beef offal, prevalence
Subjects: S Agriculture > S Agriculture (General)
Faculty / Institute: Faculty of Bioresources & Food Industry
Depositing User: Dr John Yew Huat Tang
Date Deposited: 25 Aug 2014 08:33
Last Modified: 25 Aug 2014 08:33
URI: http://erep.unisza.edu.my/id/eprint/1530

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