Combined effect of irradiation and frozen storage on viable bacteria and inoculated Eschericia coli in chicken was investigated. Samples of uninoculated chicken and samples of chicken inoculated with E. coli were irradiated using a Co-60 source at doses of 0, 2 ,4,6 and 8 kGy and stored for 0, 7, 14, 21, 28, 35, 42, 49 and 56 days at -180 C. Samples were analyzed each week to enumerate surviving viable bacteria and E. coli. Irradiation doses of 2, 4, 6, and 8 kGy respectively reduced the population of viable bacteria in the uninoculated chicken by 2.06, 2.96, 3.91 and 4.21 log cycles. Storage for 56 days reduced populations of viable bacteria by approximately 2 log cycles for all irradiated uninoculated samples. Dose of 2 kGy reduced the population of E. coli in the unirradiated sample by 2.69 log cycles and 4, 6, 8 kGy reduced the population by > 7 log cycles. Storage for 56 days reduced the population of E. coli by 4.07 and > 3.52 log cycles respectively in the unirradiated and irradiated (2 kGy) samples. Irradiation doses of 4 to 8 kGy in combination with frozen storage were effective in reducing the populations of viable indigenous bacteria in addition to eliminating inoculated E. coli from chicken thus extending the shelf life and improving the hygienic quality.
| Published in | Journal of Food and Nutrition Sciences (Volume 2, Issue 3) |
| DOI | 10.11648/j.jfns.20140203.11 |
| Page(s) | 53-57 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2014. Published by Science Publishing Group |
Chicken, Gamma Irradiation, Frozen Storage, Viable Bacteria, E. coli
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APA Style
Wellington Torgby-Tetteh, Abraham Adu-Gyamfi, Bernard Tawiah Odai, Victoria Appiah. (2014). Combined Effect of Irradiation and Frozen Storage on Survival of Viable Bacteria and Inoculated Escherichia Coli in Chicken. Journal of Food and Nutrition Sciences, 2(3), 53-57. https://doi.org/10.11648/j.jfns.20140203.11
ACS Style
Wellington Torgby-Tetteh; Abraham Adu-Gyamfi; Bernard Tawiah Odai; Victoria Appiah. Combined Effect of Irradiation and Frozen Storage on Survival of Viable Bacteria and Inoculated Escherichia Coli in Chicken. J. Food Nutr. Sci. 2014, 2(3), 53-57. doi: 10.11648/j.jfns.20140203.11
AMA Style
Wellington Torgby-Tetteh, Abraham Adu-Gyamfi, Bernard Tawiah Odai, Victoria Appiah. Combined Effect of Irradiation and Frozen Storage on Survival of Viable Bacteria and Inoculated Escherichia Coli in Chicken. J Food Nutr Sci. 2014;2(3):53-57. doi: 10.11648/j.jfns.20140203.11
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Download@article{10.11648/j.jfns.20140203.11,
author = {Wellington Torgby-Tetteh and Abraham Adu-Gyamfi and Bernard Tawiah Odai and Victoria Appiah},
title = {Combined Effect of Irradiation and Frozen Storage on Survival of Viable Bacteria and Inoculated Escherichia Coli in Chicken},
journal = {Journal of Food and Nutrition Sciences},
volume = {2},
number = {3},
pages = {53-57},
doi = {10.11648/j.jfns.20140203.11},
url = {https://doi.org/10.11648/j.jfns.20140203.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jfns.20140203.11},
abstract = {Combined effect of irradiation and frozen storage on viable bacteria and inoculated Eschericia coli in chicken was investigated. Samples of uninoculated chicken and samples of chicken inoculated with E. coli were irradiated using a Co-60 source at doses of 0, 2 ,4,6 and 8 kGy and stored for 0, 7, 14, 21, 28, 35, 42, 49 and 56 days at -180 C. Samples were analyzed each week to enumerate surviving viable bacteria and E. coli. Irradiation doses of 2, 4, 6, and 8 kGy respectively reduced the population of viable bacteria in the uninoculated chicken by 2.06, 2.96, 3.91 and 4.21 log cycles. Storage for 56 days reduced populations of viable bacteria by approximately 2 log cycles for all irradiated uninoculated samples. Dose of 2 kGy reduced the population of E. coli in the unirradiated sample by 2.69 log cycles and 4, 6, 8 kGy reduced the population by > 7 log cycles. Storage for 56 days reduced the population of E. coli by 4.07 and > 3.52 log cycles respectively in the unirradiated and irradiated (2 kGy) samples. Irradiation doses of 4 to 8 kGy in combination with frozen storage were effective in reducing the populations of viable indigenous bacteria in addition to eliminating inoculated E. coli from chicken thus extending the shelf life and improving the hygienic quality.},
year = {2014}
}
TY - JOUR T1 - Combined Effect of Irradiation and Frozen Storage on Survival of Viable Bacteria and Inoculated Escherichia Coli in Chicken AU - Wellington Torgby-Tetteh AU - Abraham Adu-Gyamfi AU - Bernard Tawiah Odai AU - Victoria Appiah Y1 - 2014/05/10 PY - 2014 N1 - https://doi.org/10.11648/j.jfns.20140203.11 DO - 10.11648/j.jfns.20140203.11 T2 - Journal of Food and Nutrition Sciences JF - Journal of Food and Nutrition Sciences JO - Journal of Food and Nutrition Sciences SP - 53 EP - 57 PB - Science Publishing Group SN - 2330-7293 UR - https://doi.org/10.11648/j.jfns.20140203.11 AB - Combined effect of irradiation and frozen storage on viable bacteria and inoculated Eschericia coli in chicken was investigated. Samples of uninoculated chicken and samples of chicken inoculated with E. coli were irradiated using a Co-60 source at doses of 0, 2 ,4,6 and 8 kGy and stored for 0, 7, 14, 21, 28, 35, 42, 49 and 56 days at -180 C. Samples were analyzed each week to enumerate surviving viable bacteria and E. coli. Irradiation doses of 2, 4, 6, and 8 kGy respectively reduced the population of viable bacteria in the uninoculated chicken by 2.06, 2.96, 3.91 and 4.21 log cycles. Storage for 56 days reduced populations of viable bacteria by approximately 2 log cycles for all irradiated uninoculated samples. Dose of 2 kGy reduced the population of E. coli in the unirradiated sample by 2.69 log cycles and 4, 6, 8 kGy reduced the population by > 7 log cycles. Storage for 56 days reduced the population of E. coli by 4.07 and > 3.52 log cycles respectively in the unirradiated and irradiated (2 kGy) samples. Irradiation doses of 4 to 8 kGy in combination with frozen storage were effective in reducing the populations of viable indigenous bacteria in addition to eliminating inoculated E. coli from chicken thus extending the shelf life and improving the hygienic quality. VL - 2 IS - 3 ER -
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