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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Modified Atmosphere Packaging Failure and Its Effect on the Microbiological Quality of the Product
Author(s)
Chrysa Voidarou1, Georgios Rozos1, Athanasios Alexopoulos1, Stavros Plessas1, Elisabeth Stavropoulou1, Panagiotis G. Demertzis2, Konstantina Akrida-Demertzi 2 and Eugenia Bezirtzoglou1
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DOI:10.17265/2159-5828/2012.06.004
Affiliation(s)
1. Faculty of Agricultural Development, Department of Food Science and Technology, Democritus University of Thrace, Orestiada, Greece
2. Department of Chemistry, University of Ioannina, Panepistimioupolis, Ioannina, Greece
ABSTRACT
In the present study,
microbiological, physicochemical and sensory analyses have been conducted in
order to study the effects of damaged modified atmosphere packaging (MAP) on foods sampled from supermarket
refrigerators. The products had not expired and no other lesions were apparent
on them, except from the damaged packaging. 80 samples of smoked turkey and 70
samples of smoked pork were analysed for Total Viable Count, Enterobacteriaceae, Staphylococcus sp., Pseudomonas sp., Bacillus sp., Clostridium perfringens, Lactic acid
bacteria (LAB), Bronchothrix
thermosphacta and yeasts-moulds. Finally, the changes in the color and the odor
were investigated. In each case products with unharmed packaging were used as
controls. The safety and stability of food depends on the multiplying
microorganisms which initially present
being unable to overcome various adverse intrinsic and extrinsic factors to the
food, as well as to the contact microflora when rupture of the sealed packaging
occurs. Models have been developed to predict the consequences of pack film
properties such as the size and number of micro-perforation per pack on gas
concentration and to define minimum homogeneity requirements for MAP. Our results
indicate that potential hazards exist concerning public health safety, even if
the slightest damage of the packaging has occurred.
KEYWORDS
Modified atmosphere packaging (MAP), public health.
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