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Plasma Physics Reports

, Volume 39, Issue 9, pp 763–767 | Cite as

Inactivation of possible micromycete food contaminants using the low-temperature plasma and hydrogen peroxide

  • M. Čeřovský
  • J. Khun
  • K. Rusová
  • V. Scholtz
  • H. Soušková
Methodological Notes

Abstract

The inhibition effect of hydrogen peroxide aerosol, low-temperature plasma and their combinations has been studied on several micromycetes spores. The low-temperature plasma was generated in corona discharges in the open air apparatus with hydrogen peroxide aerosol. Micromycete spores were inoculated on the surface of agar plates, exposed solely to the hydrogen peroxide aerosol, corona discharge or their combination. After incubation the diameter of inhibition zone was measured. The solely positive corona discharge exhibits no inactivation effect, the solely negative corona discharge and solely hydrogen peroxide aerosol exhibit the inactivation effect, however their combinations exhibit to be much more effective. Low-temperature plasma and hydrogen peroxide aerosol present a possible alternative method of microbial decontamination of food, food packages or other thermolabile materials.

Keywords

Plasma Physic Report Corona Discharge Inhibition Zone Diameter Talaromyces Discharge Polarity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • M. Čeřovský
    • 1
  • J. Khun
    • 2
  • K. Rusová
    • 1
  • V. Scholtz
    • 2
  • H. Soušková
    • 3
  1. 1.Department of Food Preservation, Faculty of Food and Biochemical TechnologyInstitute of Chemical Technology in PraguePrague 6Czech Republic
  2. 2.Department of Physics and Measurements, Faculty of Chemical EngineeringInstitute of Chemical Technology in PraguePrague 6Czech Republic
  3. 3.Department of Computing and Control Engineering, Faculty of Chemical EngineeringInstitute of Chemical Technology in PraguePrague 6Czech Republic

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