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Appl Environ Microbiol. 1999 Mar;65(3):1312-5.

Pulsed-light inactivation of food-related microorganisms.

Author information

  • 1Department of Bioscience & Biotechnology, University of Strathclyde, Glasgow, Scotland. n.j.rowan@strath.ac.uk

Abstract

The effects of high-intensity pulsed-light emissions of high or low UV content on the survival of predetermined populations of Listeria monocytogenes, Escherichia coli, Salmonella enteritidis, Pseudomonas aeruginosa, Bacillus cereus, and Staphylococcus aureus were investigated. Bacterial cultures were seeded separately on the surface of tryptone soya-yeast extract agar and were reduced by up to 2 or 6 log10 orders with 200 light pulses (pulse duration, approximately 100 ns) of low or high UV content, respectively (P < 0.001).

PMID:
10049899
[PubMed - indexed for MEDLINE]
PMCID:
PMC91180
Free PMC Article

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