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Application of gamma irradiation for inactivation of three pathogenic bacteria inoculated into meatballs

Abstract

In this research, the effect of gamma irradiation on the inactivation of Escherichia coli O157:H7 (ATCC 33150), Staphylococcus aureus (ATCC 2392) and Salmonella typhimurium (NRRL 4463) inoculated into Tekirdag meatballs was investigated. The meatball samples were inoculated with pathogens and irradiated at the absorbed doses of 1, 2.2, 3.2, 4.5 and 5.2 kGy. E. coli O157:H7 count in 1 kGy irradiated meatballs stored in the refrigerator for 7 days was detected to be 4 log cfu/g lower than the count in nonirradiated samples (p<0.05). S. aureus counts were decreased to 4 log cfu/g after being exposed to irradiation at a dose of 1 kGy. Although it was ineffective on elimination of S. typhimurium, irradiation at a dose of 3.2 kGy reduced E. coli O157:H7 and S. aureus counts under detectable values in the meatballs. However, none of the test organisms were detected in the samples after irradiation with 4.5 kGy doses.
Authors:
Gumus, Tuncay; [1]  Sukru Demirci, A; Murat Velioglu, H; Velioglu, Serap D; Yilmaz, Ismail; [1]  Sagdic, Osman [2] 
  1. Department of Food Engineering, Faculty of Agriculture, Namik Kemal University, 59030 Tekirdag (Turkey)
  2. Department of Food Engineering, Faculty of Engineering, Erciyes University, Kayseri (Turkey)
Publication Date:
Sep 15, 2008
Product Type:
Journal Article
Resource Relation:
Journal Name: Radiation Physics and Chemistry (1993); Journal Volume: 77; Journal Issue: 9; Other Information: DOI: 10.1016/j.radphyschem.2008.05.003; PII: S0969-806X(08)00090-X; Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA)
Subject:
60 APPLIED LIFE SCIENCES; ESCHERICHIA COLI; GAMMA RADIATION; INACTIVATION; IRRADIATION; MEAT; PATHOGENS; RADIATION DOSES; REFRIGERATORS; SALMONELLA TYPHIMURIUM; STAPHYLOCOCCUS
OSTI ID:
21119376
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0969-806X; RPCHDM; TRN: GB08R6521001619
Availability:
Available from http://dx.doi.org/10.1016/j.radphyschem.2008.05.003;INIS
Submitting Site:
GBN
Size:
page(s) 1093-1096
Announcement Date:
Feb 05, 2009

Citation Formats

Gumus, Tuncay, Sukru Demirci, A, Murat Velioglu, H, Velioglu, Serap D, Yilmaz, Ismail, and Sagdic, Osman. Application of gamma irradiation for inactivation of three pathogenic bacteria inoculated into meatballs. United Kingdom: N. p., 2008. Web. doi:10.1016/j.radphyschem.2008.05.003.
Gumus, Tuncay, Sukru Demirci, A, Murat Velioglu, H, Velioglu, Serap D, Yilmaz, Ismail, & Sagdic, Osman. Application of gamma irradiation for inactivation of three pathogenic bacteria inoculated into meatballs. United Kingdom. doi:10.1016/j.radphyschem.2008.05.003.
Gumus, Tuncay, Sukru Demirci, A, Murat Velioglu, H, Velioglu, Serap D, Yilmaz, Ismail, and Sagdic, Osman. 2008. "Application of gamma irradiation for inactivation of three pathogenic bacteria inoculated into meatballs." United Kingdom. doi:10.1016/j.radphyschem.2008.05.003. https://www.osti.gov/servlets/purl/10.1016/j.radphyschem.2008.05.003.
@misc{etde_21119376,
title = {Application of gamma irradiation for inactivation of three pathogenic bacteria inoculated into meatballs}
author = {Gumus, Tuncay, Sukru Demirci, A, Murat Velioglu, H, Velioglu, Serap D, Yilmaz, Ismail, and Sagdic, Osman}
abstractNote = {In this research, the effect of gamma irradiation on the inactivation of Escherichia coli O157:H7 (ATCC 33150), Staphylococcus aureus (ATCC 2392) and Salmonella typhimurium (NRRL 4463) inoculated into Tekirdag meatballs was investigated. The meatball samples were inoculated with pathogens and irradiated at the absorbed doses of 1, 2.2, 3.2, 4.5 and 5.2 kGy. E. coli O157:H7 count in 1 kGy irradiated meatballs stored in the refrigerator for 7 days was detected to be 4 log cfu/g lower than the count in nonirradiated samples (p<0.05). S. aureus counts were decreased to 4 log cfu/g after being exposed to irradiation at a dose of 1 kGy. Although it was ineffective on elimination of S. typhimurium, irradiation at a dose of 3.2 kGy reduced E. coli O157:H7 and S. aureus counts under detectable values in the meatballs. However, none of the test organisms were detected in the samples after irradiation with 4.5 kGy doses.}
doi = {10.1016/j.radphyschem.2008.05.003}
journal = {Radiation Physics and Chemistry (1993)}
issue = {9}
volume = {77}
place = {United Kingdom}
year = {2008}
month = {Sep}
}