Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/95849
Type: Artigo de periódico
Title: Recovery Of Staphylococcus Aureus After Acid Injury [recuperacion De Staphylococcus Aureus Despues Del Dano Acido]
Author: Assis E.M.
De Carvalho E.P.
Asquieri E.R.
Da Silva F.V.
Robbs P.G.
Abstract: The growth behavior of S. aureus in fresh cheese (Minas and Muzzarela) during their shelf life was studied in this research. The possibility of injury to this microorganism caused by increasing acidity was also investigated. Raw milk was inoculated with S. aureus FRIA-100 with approximately 10 6 cells/ml and cheese production was carried out according to normal procedures. They were stored at 7 °C during 40 days for Minas cheese and during 60 days for Muzzarela cheese. At 2 to 3 days intervals the following analyses were performed: acidity, pH, S. aureus count on Baird- Parker agar by traditional methods and by the method recommended by the American Public Health Association, to count repair of injured cells. We were certain of the presence of injured S. aureus when acidity was in the range of 0.7 to 0.8% expressed as lactic acid and when the count was 1.3 log higher.
Editor: 
Rights: fechado
Identifier DOI: 
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0029008744&partnerID=40&md5=52b2933183a9495db2815d73b41e5c78
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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