Efficacy of propionic acid against Listeria monocytogenes attached to poultry skin during refrigerated storage.
Author(s) : GONZALEZ-FANDOS E., HERRERA B.
Type of article: Article
Summary
This work evaluates the effect of propionic acid dip on the growth of Listeria monocytogenes on poultry legs stored at 4°C for 8 days. Fresh inoculated chicken legs were dipped into either 1% or 2% propionic acid solution (v/v) or distilled water (control). Changes in mesophiles, enterobacteriaceae counts and sensorial characteristics (odour, colour and overall appearance) were also evaluated. The shelf life of the samples washed with propionic acid was extended by at least 2 days over the control samples washed with distilled water. Legs washed with 2% propionic acid showed a significant (p < 0.05) inhibitory effect on L. monocytogenes compared to control legs, with a decrease of about 2.72 log units after 3 days of storage. Sensory quality was not adversely affected by propionic acid. This study demostrates that while propionic acid did reduce growth of L. monocytogenes on meat, it did not completely inactivate the pathogen.
Details
- Original title: Efficacy of propionic acid against Listeria monocytogenes attached to poultry skin during refrigerated storage.
- Record ID : 30008820
- Languages: English
- Source: Food Control The International Journal of HACCP and Food Safety - vol. 34 - n. 2
- Publication date: 2013/12
- DOI: http://dx.doi.org/10.1016/j.foodcont.2013.05.034
Links
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Indexing
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Themes:
Food quality and safety. Microbiology;
Specialized cold stores;
Poultry - Keywords: Poultry; Food; Safety; Listeria; Pathogen; Cold storage; Organic acid
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