A microbiological screening method for the indication of irradiation of frozen poultry meat

Gun Wirtanen, Satu Salo, Merja Karwoski, Anna-Maija Sjöberg

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Abstract

A microbiological screening method for the detection of irradiation of frozen poultry meat was developed on the basis of the combined use of total cell count by the direct epifluorescent filter technique (DEFT) and viable cell count by the aerobic plate count method (APC). Samples of ground, deboned poultry leg were irradiated or not with dose levels of 3, 5 and 7 kGy using an electron beam accelerator. All samples were frozen before the irradiation treatment. The average values of the differences between DEFT and APC counts in control samples and those irradiated with doses of 3, 5 and 7 kGy were 1.14 log units for control samples, and 3.16, 3.68 and 3.79 log units for the irradiated samples. A difference of at least 2 log units can therefore be considered as a limit value indicating probable irradiation treatment necessitating further investigations.
Original languageEnglish
Pages (from-to)194-197
JournalZeitschrift fur Lebensmittel-Untersuchung und -Forschung
Volume200
Issue number3
DOIs
Publication statusPublished - 1995
MoE publication typeA1 Journal article-refereed

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Poultry
Meats
poultry meat
Meat
Screening
irradiation
Irradiation
screening
Cell Count
plate count
sampling
Particle accelerators
Electron beams
Leg
methodology
Electrons
dosage
legs
poultry
electrons

Cite this

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title = "A microbiological screening method for the indication of irradiation of frozen poultry meat",
abstract = "A microbiological screening method for the detection of irradiation of frozen poultry meat was developed on the basis of the combined use of total cell count by the direct epifluorescent filter technique (DEFT) and viable cell count by the aerobic plate count method (APC). Samples of ground, deboned poultry leg were irradiated or not with dose levels of 3, 5 and 7 kGy using an electron beam accelerator. All samples were frozen before the irradiation treatment. The average values of the differences between DEFT and APC counts in control samples and those irradiated with doses of 3, 5 and 7 kGy were 1.14 log units for control samples, and 3.16, 3.68 and 3.79 log units for the irradiated samples. A difference of at least 2 log units can therefore be considered as a limit value indicating probable irradiation treatment necessitating further investigations.",
author = "Gun Wirtanen and Satu Salo and Merja Karwoski and Anna-Maija Sj{\"o}berg",
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A microbiological screening method for the indication of irradiation of frozen poultry meat. / Wirtanen, Gun; Salo, Satu; Karwoski, Merja; Sjöberg, Anna-Maija.

In: Zeitschrift fur Lebensmittel-Untersuchung und -Forschung, Vol. 200, No. 3, 1995, p. 194-197.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - A microbiological screening method for the indication of irradiation of frozen poultry meat

AU - Wirtanen, Gun

AU - Salo, Satu

AU - Karwoski, Merja

AU - Sjöberg, Anna-Maija

N1 - Project code: B5SU00111

PY - 1995

Y1 - 1995

N2 - A microbiological screening method for the detection of irradiation of frozen poultry meat was developed on the basis of the combined use of total cell count by the direct epifluorescent filter technique (DEFT) and viable cell count by the aerobic plate count method (APC). Samples of ground, deboned poultry leg were irradiated or not with dose levels of 3, 5 and 7 kGy using an electron beam accelerator. All samples were frozen before the irradiation treatment. The average values of the differences between DEFT and APC counts in control samples and those irradiated with doses of 3, 5 and 7 kGy were 1.14 log units for control samples, and 3.16, 3.68 and 3.79 log units for the irradiated samples. A difference of at least 2 log units can therefore be considered as a limit value indicating probable irradiation treatment necessitating further investigations.

AB - A microbiological screening method for the detection of irradiation of frozen poultry meat was developed on the basis of the combined use of total cell count by the direct epifluorescent filter technique (DEFT) and viable cell count by the aerobic plate count method (APC). Samples of ground, deboned poultry leg were irradiated or not with dose levels of 3, 5 and 7 kGy using an electron beam accelerator. All samples were frozen before the irradiation treatment. The average values of the differences between DEFT and APC counts in control samples and those irradiated with doses of 3, 5 and 7 kGy were 1.14 log units for control samples, and 3.16, 3.68 and 3.79 log units for the irradiated samples. A difference of at least 2 log units can therefore be considered as a limit value indicating probable irradiation treatment necessitating further investigations.

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