Food and Fermentation Industries >

2011 , Vol. 37 >Issue 11: 30 - 32

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.2011.11.048

Food and Fermentation Industries

Effects of High-intensity Pulsed Electric Field on Inactivation and Cell Membrane of E.coli

  • Tang Ya-li~ ,
  • Lu Li-xin~ ,
  • Zhao Wei~;
    .     ,
  • Li Chun-yang~
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Online published: 2011-11-25

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Abstract

The effects of high - intensity pulsed electric field on inactivation and cell membrane of E.coli were investigated.The results showed that when the applied electric intensity was higher than 20 kV/cm for 200μs,the number of survivable E.coli significantly decreased.The flow cytometry analysis of E.coli cells stained with PI showed high - intensity pulsed electric field could destroy the cell membrane and increase the permeability.When the applied electric intensity was higher than 20 kV/cm for 200μs,the PI stained cells percentage by flow cytometry sharply increases.

Key words： high-intensity pulsed electric field;;E.coli;;sterilization;;cell membrane

Cite this article

Tang Ya-li~ , Lu Li-xin~ , Zhao Wei~;
. , Li Chun-yang~ . Effects of High-intensity Pulsed Electric Field on Inactivation and Cell Membrane of E.coli[J]. Food and Fermentation Industries, 2011 , 37(11) : 30 -32 . DOI: 10.13995/j.cnki.11-1802/ts.2011.11.048

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