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Novel approaches of E. coli O157: H7 decontamination.


M., Raftari and Jalilian, Farid Aziz and Abdulamir, Ahmed Sahib and Radu, Son and Sekawi, Zamberi and Abu Bakar, Fatimah (2009) Novel approaches of E. coli O157: H7 decontamination. Research Journal of Medical Sciences, 3 (4). pp. 158-162. ISSN 1815-9346


Researchers in the area of microbiological meat safety, in an attempt to reduce beef carcass contamination, try carcass-washing treatments as an effective method to control pathogenic bacteria. Spray wash treatments utilizing 3 concentrations (1, 1.5 and 2%) of acetic, lactic, propionic and formic acids were performed to evaluate their efficacy in reducing numbers of Escherichia coli O157: H7 on meat tissues at 4±1°C. The meat was decontaminated with hot water and then inoculated with E. coli O157: H7, which then was spray washed with organic acids for 15 sec separately. The population of E. coli O157: H7 significantly (p<0.05) reduced after being spray washed with all treatments. The lethality effect of all organic acids according to the concentration was 2% concentration >1.5% concentration >1% concentration. Mean log reductions of E. coli O157: H7showed that the antibacterial effect of formic acid >lactic acid >acetic acid >propionic acid. The results of this study also indicated that formic acid is a good antibacterial agent for decontaminating animals carcass surfaces.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Technology
Publisher: Medwell Publishing
Keywords: Beef; Escherichia coli O157: H7; Acetic acid; Lactic acid; Propionic acid; Formic acid.
Depositing User: Khairil Ridzuan Khahirullah
Date Deposited: 22 May 2013 02:33
Last Modified: 23 Oct 2015 00:09
URI: http://psasir.upm.edu.my/id/eprint/15843
Statistic Details: View Download Statistic

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