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Inactivation of Staphylococcus aureus and Salmonella enteritidis in tryptic soy broth and caviar samples by high pressure processing
Fioretto, F; Cruz, C; Largeteau, A; Sarli, T. A; Demazeau, G; El Moueffak, A.
Affiliation
  • Fioretto, F; IUT Périgueux. Bordeaux IV. ERAP. Périgueux. FR
  • Cruz, C; IUT Périgueux. Bordeaux IV. ERAP. Périgueux. FR
  • Largeteau, A; Ecole Nationale Supérieure de Chimie et de Physique de Bordeaux. Institut de Chimie de la Matière Condensée de Bordeaux. Groupe Hautes Pressions. Pessac. FR
  • Sarli, T. A; University Federico II of Naples. Department of Inspection of Foods from Animal Origin. Naples. IT
  • Demazeau, G; Ecole Nationale Supérieure de Chimie et de Physique de Bordeaux. Institut de Chimie de la Matière Condensée de Bordeaux. Groupe Hautes Pressions. Pessac. FR
  • El Moueffak, A; IUT Périgueux. Bordeaux IV. ERAP. Périgueux. FR
Braz. j. med. biol. res ; 38(8): 1259-1265, Aug. 2005. tab, graf
Article in En | LILACS | ID: lil-405529
Responsible library: BR1.1
RESUMO
We studied the action of high pressure processing on the inactivation of two foodborne pathogens, Staphylococcus aureus ATCC 6538 and Salmonella enteritidis ATCC 13076, suspended in a culture medium and inoculated into caviar samples. The baroresistance of the two pathogens in a tryptic soy broth suspension at a concentration of 10(8)-10(9) colony-forming units/ml was tested for continuous and cycled pressurization in the 150- to 550-MPa range and for 15-min treatments at room temperature. The increase of cycle number permitted the reduction of the pressure level able to totally inactivate both microorganisms in the tryptic soy broth suspension, whereas the effect of different procedure times on complete inactivation of the microorganisms inoculated into caviar was similar.
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Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Salmonella enteritidis / Glycine max / Staphylococcus aureus / Fish Products / Hydrostatic Pressure Limits: Animals Language: En Journal: Braz. j. med. biol. res Journal subject: BIOLOGIA / MEDICINA Year: 2005 Document type: Article / Congress and conference Affiliation country: France / Italy Country of publication: Brazil
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Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Salmonella enteritidis / Glycine max / Staphylococcus aureus / Fish Products / Hydrostatic Pressure Limits: Animals Language: En Journal: Braz. j. med. biol. res Journal subject: BIOLOGIA / MEDICINA Year: 2005 Document type: Article / Congress and conference Affiliation country: France / Italy Country of publication: Brazil