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Archivos Latinoamericanos de Nutrición
versión impresa ISSN 0004-0622
Resumen
SANTANA DA SILVA, Alisson et al. Antimicrobial action of lactoferrin on Staphylococcus aureus inoculated in Minas frescal cheese. ALAN [online]. 2012, vol.62, n.1, pp.68-72. ISSN 0004-0622.
The effect of the addition of lactoferrin on Staphylococcus aureus to Minas frescal cheese was evaluated. Three cheeses were made: control (S. aureus), Lf-2% (2% lactoferrin + S. aureus) and Lf-4% (4% lactoferrin + S. aureus). Cheeses were packaged and S. aureus populations were determined on days 1, 8, 15, 22 and 29 of storage at 6°C. The experiment was repeated three times. S. aureus population increased 1.3 logarithmic cycles in the control cheese during storage, while it decreased to numbers below the detection limit in cheeses containing lactoferrin, over the same period. Moreover, antimicrobial effect showed to be dose-dependent.
Palabras clave : Pathogenic microorganisms; antimicrobial activity; bioactive compounds.