Miniaturized Most Probable Number for the Enumeration of Salmonella sp in Artificially Contaminated Chicken Meat

dc.creatorFL Colla
dc.creatorL Mion
dc.creatorL Parizotto
dc.creatorLB Rodrigues
dc.creatorF Pilotto
dc.creatorEL Dickel
dc.creatorVP do Nascimento
dc.creatorLR dos Santos
dc.date2014
dc.date.accessioned2026-07-07T03:25:02Z
dc.descriptionSalmonella is traditionally identified by conventional microbiological tests, but the enumeration of this bacterium is not used on a routine basis. Methods such as the most probable number (MPN), which utilize an array of multiple tubes, are time-consuming and expensive, whereas miniaturized most probable number (mMPN) methods, which use microplates, can be adapted for the enumeration of bacteria, saving up time and materials. The aim of the present paper is to assess two mMPN methods for the enumeration of Salmonella sp in artificially- contaminated chicken meat samples. Microplates containing 24 wells (method A) and 96 wells (method B), both with peptone water as pre- enrichment medium and modified semi-solid Rappaport-Vassiliadis (MSRV) as selective enrichment medium, were used. The meat matrix consisted of 25g of autoclaved ground chicken breast contaminated with dilutions of up to 106 of Salmonella Typhimurium (ST) and Escherichia coli (EC). In method A, the dilution 10-5 of Salmonella Typhimurium corresponded to >57 MPN/mL and the dilution 10-6 was equal to 30 MPN/mL. There was a correlation between the counts used for the artificial contamination of the samples and those recovered by mMPN, indicating that the method A was sensitive for the enumeration of different levels of contamination of the meat matrix. In method B, there was no correlation between the inoculated dilutions and the mMPN results.
dc.formatapplication/pdf
dc.identifier1516-635X
dc.identifierhttps://www.redalyc.org/articulo.oa?id=179730644006
dc.identifier.urihttp://hdl.handle.net/123456789/433430
dc.languageen
dc.publisherFundação APINCO de Ciência e Tecnologia Avícolas
dc.relationhttp://www.redalyc.org/revista.oa?id=1797
dc.rightsRevista Brasileira de Ciência Avícola
dc.sourceRevista Brasileira de Ciência Avícola (Brasil) Num.1 Vol.16
dc.subjectAgrociencias
dc.titleMiniaturized Most Probable Number for the Enumeration of Salmonella sp in Artificially Contaminated Chicken Meat
dc.typeartículo científico

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