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

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

doi:10.1007/BF01190493

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

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

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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 language	English
Pages (from-to)	194-197
Journal	Zeitschrift für Lebensmittel-Untersuchung und -Forschung
Volume	200
Issue number	3
DOIs	https://doi.org/10.1007/BF01190493
Publication status	Published - 1995
MoE publication type	A1 Journal article-refereed

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10.1007/BF01190493

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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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journal = "European Food Research and Technology",

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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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DO - 10.1007/BF01190493

M3 - Article

SN - 1438-2377

VL - 200

SP - 194

EP - 197

JO - European Food Research and Technology

JF - European Food Research and Technology

IS - 3

ER -

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

Abstract

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