Inactivation kinetics of inoculated Escherichia coli O157:H7, Listeria monocytogenes and Salmonella Poona on whole cantaloupe by chlorine dioxide gas

Food Microbiology
B S M MahmoudR H Linton

Abstract

The objectives of this study were to examine inactivation kinetics of inoculated Escherichia coli O157:H7, Listeria monocytogenes and Salmonella Poona inoculated onto whole cantaloupe and treated with ClO(2) gas at different concentrations (0.5, 1.0, 1.5, 3.0 and 5.0 mg l(-1)) for different times (0, 2.0, 4.0, 6.0, 8.0 and 10.0 min). The effect of ClO(2) gas on the quality and shelf life of whole cantaloupe was also evaluated during storage at 22 degrees C for 12 days. A 100 microl inoculation of each targeted organism was spotted onto the surface (5 cm(2)) of cantaloupe rind (approximately 8-9 log CFU 5 cm(-2)) separately, air dried (60 min), and then treated with ClO(2) gas at 22 degrees C and 90-95% relative humidity for 10 min. Surviving bacterial populations on cantaloupe surfaces were determined using a membrane transferring method with a non-selective medium followed by a selective medium. The inactivation kinetics of E. coli O157:H7, L. monocytogenes and S. Poona were determined using nonlinear kinetics (Weibull model). A 3 log CFU reduction of E. coli O157:H7, L. monocytogenes and S. Poona were achieved with 5.0 mg l(-1) ClO(2) gas for 5.5, 4.2 and 1.5 min, respectively. A 5l og CFU reduction of S. Poona was achieved w...Continue Reading

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Citations

May 9, 2012·International Journal of Food Microbiology·Barakat S M Mahmoud
Oct 19, 2013·International Journal of Food Microbiology·Sam Van HauteImca Sampers
Jul 7, 2016·Journal of Zhejiang University. Science. B·Ying YiJian-Cheng Qi
Oct 27, 2015·Journal of Agricultural and Food Chemistry·D J SmithG R Herges
Sep 1, 2015·Journal of Food Protection·Simran KaurMark T Morgan
Mar 13, 2014·Applied and Environmental Microbiology·Aaron M PleitnerHaley F Oliver
Aug 12, 2017·Critical Reviews in Food Science and Nutrition·Jae-Hyun Yoon, Sun-Young Lee
Jul 6, 2014·Journal of Food Protection·Xiuxiu SunKequan Zhou
Oct 2, 2019·International Journal of Environmental Health Research·Marí Contreras-SotoNohelia Castro-Del Campo
May 4, 2011·Journal of Food Science·Valentina TrinettaMark Morgan
Jul 20, 2017·Food Science and Biotechnology·Jong-Lak ChoJeongmok Kim
Jan 9, 2021·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Sang-Hyun ParkDong-Hyun Kang
Mar 3, 2021·Food Research International·Xiaojun ZhangYongqiang Cheng
Jul 30, 2021·Comprehensive Reviews in Food Science and Food Safety·Surabhi WasonJeyamkondan Subbiah

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