Lethality of chlorine, chlorine dioxide, and a commercial fruit and vegetable sanitizer to vegetative cells and spores of Bacillus cereus and spores of Bacillus thuringiensis

Journal of Food Protection
Larry R BeuchatAlan J Scouten

Abstract

Chlorine, ClO2, and a commercial raw fruit and vegetable sanitizer were evaluated for their effectiveness in killing vegetative cells and spores of Bacillus cereus and spores of Bacillus thuringiensis. The ultimate goal was to use one or both species as a potential surrogate(s) for Bacillus anthracis in studies that focus on determining the efficacy of sanitizers in killing the pathogen on food contact surfaces and foods. Treatment with alkaline (pH 10.5 to 11.0) ClO2 (200 microg/ml) produced by electrochemical technologies reduced populations of a five-strain mixture of vegetative cells and a five-strain mixture of spores of B. cereus by more than 5.4 and more than 6.4 log CFU/ml respectively, within 5 min. This finding compares with respective reductions of 4.5 and 1.8 log CFU/ml resulting from treatment with 200 microg/ml of chlorine. Treatment with a 1.5% acidified (pH 3.0) solution of Fit powder product was less effective, causing 2.5- and 0.4-log CFU/ml reductions in the number of B. cereus cells and spores, respectively. Treatment with alkaline ClO2 (85 microg/ml), acidified (pH 3.4) ClO2 (85 microg/ml), and a mixture of ClO2 (85 microg/ml) and Fit powder product (0.5%) (pH 3.5) caused reductions in vegetative cell/spore...Continue Reading

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Citations

Nov 26, 2010·Investigative Genetics·David L GreenbergDavid M Wagner
Apr 4, 2014·TheScientificWorldJournal·Chen-Hsing YuHo-Hsien Chen
May 20, 2016·Critical Reviews in Food Science and Nutrition·Ulrike PraegerKarin Hassenberg
Dec 27, 2006·Food Microbiology·Elizabeth DeVere, Diane Purchase
Sep 21, 2010·The Journal of Hospital Infection·J-Y Maillard
Oct 30, 2009·Critical Reviews in Microbiology·Alline Artigiani Lima TribstPilar Rodriguez de Massaguer
Aug 15, 2017·Journal of Food Protection·Mengyi Hu, Joshua B Gurtler
Aug 9, 2016·Korean Journal for Food Science of Animal Resources·Hyobi KimNong-Hoon Choe
Apr 9, 2008·Journal of Food Protection·D G BlackP M Davidson
Jan 29, 2008·Applied Microbiology and Biotechnology·Maria del Busto-RamosBruce Applegate
Nov 1, 2020·Foods·Liliana Pérez-LavalleAntonio Valero

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