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Water activity relationships for selected mesophiles and psychrotrophs at refrigeration temperature.

Author(s) : LI K.-Y., TORRES J. A.

Type of article: Article

Summary

The growth rate and lag phase of Pseudomonas fluorescens, Brochothrix thermosphacta, Salmonella typhimurium, Enterococcus faecalis, and Staphylococcus aureus were studied in liquid media as a function of temperature, water activity and solute type. The lag phase lengthened and the growth rate decreased when the temperature was lowered or the water activity reduced, and these variations depended on the water activity-controlling solute. The specific growth rate was not as sensitive to the water activity-controlling solute as the lag phase.

Details

  • Original title: Water activity relationships for selected mesophiles and psychrotrophs at refrigeration temperature.
  • Record ID : 1994-0917
  • Languages: English
  • Source: Journal of Food Protection - vol. 56 - n. 7
  • Publication date: 1993/07
  • Document available for consultation in the library of the IIR headquarters only.

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