The efficacy of electrolysed oxidising water for inactivating spoilage microorganisms in process water and on minimally processed vegetables

International Journal of Food Microbiology
Duncan OngengJaak Ryckeboer

Abstract

The efficacy of Electrolysed Oxidising Water (EOW) for inactivating spoilage microorganisms in process water and on minimally processed vegetables was investigated. The direct effect of EOW on three important spoilage bacteria namely; Pseudomonas fluorescens, Pantoea agglomerans or Rahnella aquatilis was determined by inoculating tap water or "artificial process water" with approximately 8 log CFU/ml pure culture and electrolysing the resultant solutions. The three bacteria were each reduced to undetectable levels at low (0.5 A) and relatively higher levels (1.0 A) of current in tap water and "artificial process water", respectively. The residual effect of EOW on P. fluorescens, P. agglomerans or R. aquatilis was determined by incubating at room temperature 1 ml (approximately 9 log CFU/ml) pure culture suspensions in 9 ml of EOW-T (EOW produced from tap water), EOW-A (EOW produced from "artificial process water" supplemented with approximately 60.7 mg Cl(-)/l and 39.3 mg Na(+)/l) or deionised water (control) for 0, 15, 45 or 90 min. The bactericidal activity of both EOW-T and EOW-A increased with the concentration of free oxidants and incubation period and the three bacteria were completely reduced at free oxidants-incubation ...Continue Reading

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Citations

Sep 11, 2009·International Journal of Molecular Sciences·Vittorio CapozziGiuseppe Spano
Jan 15, 2008·International Journal of Food Microbiology·Rosalia TriasEmilio Montesinos
Apr 27, 2007·International Journal of Food Microbiology·Vicente M Gómez-LópezFrank Devlieghere
May 23, 2015·Food Microbiology·Loris PintoFederico Baruzzi
Nov 28, 2013·Critical Reviews in Food Science and Nutrition·Sam Van HauteMieke Uyttendaele
Nov 5, 2014·Journal of Food Protection·Haiqiang Wang, Elliot T Ryser
Jul 28, 2015·International Journal of Environmental Research and Public Health·Eva PetriSilvia García
Oct 2, 2019·International Journal of Environmental Health Research·Marí Contreras-SotoNohelia Castro-Del Campo
Sep 25, 2008·Journal of Food Protection·D HricovaC Zweifel
Mar 7, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Xiao LiuYu He

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