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Biofilm formation by Staphylococcus aureus from food contact surfaces in a meat-based broth and sensitivity to sanitizers BJM
Souza,Evandro Leite de; Meira,Quênia Gramile Silva; Barbosa,Isabella de Medeiros; Athayde,Ana Júlia Alves Aguiar; Conceição,Maria Lúcia da; Siqueira Júnior,José Pinto de.
This study assessed the capacity of adhesion, the detachment kinetic and the biofilm formation by Staphylococcus aureus isolated from food services on stainless steel and polypropylene surfaces (2 x 2 cm) when cultivated in a meat-based broth at 28 and 7 ºC. It was also to study the efficacy of the sanitizers sodium hypochlorite (250 mg/L) and peracetic acid (30 mg/L) in inactivating the bacterial cells in the preformed biofilm. S. aureus strains adhered in high numbers regardless the assayed surface kind and incubation temperature over 72 h. Cells detachment of surfaces revealed high persistence over the incubation period. Number of cells needed for biofilm formation was noted at all experimental systems already after 3 days. Peracetic acid and sodium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Staphylococcus aureus; Food processing environment; Cross-contamination; Biofilm; Sanitizers.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000100010
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