Title: Evaluation of two commercial methods for the detection of<i>Listeria</i>sp. and<i>Listeria monocytogenes</i>in a chicken nugget processing plant
Abstract: This study measures the detection performances of two rapid test systems (Listeria Rapid Test Clearview TM and Bax TM system) for the screening of Listeria sp. and Listeria monocytogenes, respectively. A total of 413 samples from different sources (product from (i) different stages of processing, (ii) different environments, and (iii) different food handlers), collected from a chicken nugget processing plant, were analysed by both rapid methods and a cultural method consisting of pre-enrichment, enrichment, and isolation onto selective agars (PALCAM, LPM, and HCLA). Overall, results showed an excellent correlation between data obtained using Clearview TM and the cultural method, with Clearview TM presenting an efficiency of 99%. Bax TM showed a lower correlation using the cultural method, with an efficiency of 71.1%. The type of sample did not affect the efficiency of Clearview TM , which varied from 98.1% for product samples to 100% for environmental and food handler samples, while for Bax TM it had a marked influence. Efficiency of Bax TM varied from as high as 100% for food handlers to 37.9% for product samples.Key words: Listeria, Listeria monocytogenes, Clearview TM , Bax TM .
Publication Year: 2002
Publication Date: 2002-03-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
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Cited By Count: 10
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