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Effect of compressed carbon dioxide on microbial cell viability.

Author(s) : DEBS-LOUKA E., LOUKA N., ABRAHAM G., et al.

Type of article: Article

Summary

In order to study the influence of compressed carbon dioxide, over a range of pressures (1.5 to 5.5 MPa) and exposure times (up to 7 h), on the survival of Escherichia coli, Saccharomyces cerevisiae, and Enterococcus faecalis, a new pressurizable reactor system was conceived. Microbial cells were inoculated onto a solid hydrophilic medium and treated at room temperature; their sensitivities to inactivation varied greatly. The CO2 treatment had an enhanced efficiency in cell destruction when the pressure and the duration of exposure were increased. This study showed that a linear correlation exists between microbial inactivation and CO2 pressure and exposure time.

Details

  • Original title: Effect of compressed carbon dioxide on microbial cell viability.
  • Record ID : 2000-0757
  • Languages: English
  • Source: Appl. environ. Microbiol. - vol. 65 - n. 2
  • Publication date: 1999/02

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