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Antimicrobial Performance of Two Different Packaging Materials on the Microbiological Quality of Fresh Salmon
University of Milan, Italy.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience.ORCID iD: 0000-0002-8796-9070
University of Milan, Italy.
University of Milan, Italy.
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2016 (English)In: Coatings, ISSN 2079-6412, Vol. 6, no 1, article id 6Article in journal (Refereed) Published
Abstract [en]

In the present research the antimicrobial activity of two active packaging materials on the spoilage microbiota of fresh salmon fillets was tested. A PET-coated film (PET: Polyethylene Terephthalate) containing lysozyme and lactoferrin was tested in parallel with a carvacrol-coextruded multilayer film. Salmon fillet samples were stored up to four days at 0 and 5 °C, comparatively. The carvacrol multilayer film was found effective in preventing mesophiles and psychrotrophs at shorter storage time and at lower temperature (4.0 compared to 5.0 log CFU/g in the control sample—CFU: Colony Forming Units). Lysozyme/lactoferrin-coated PET was instead efficient in decreasing H2S-producing bacteria at longer storage time and higher temperature (2.7 instead of 4.7 log CFU/g in the control sample). Even if is not intended as a way to “clean” a contaminated food product, an active package solution can indeed contribute to reducing the microbial population in food items, thus lowering the risk of food-related diseases.

Place, publisher, year, edition, pages
2016. Vol. 6, no 1, article id 6
Keywords [en]
active packaging, carvacrol, coextrusion, lysozyme, lactoferrin, coating, salmon
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-26200DOI: 10.3390/coatings6010006Scopus ID: 2-s2.0-85053101757OAI: oai:DiVA.org:ri-26200DiVA, id: diva2:1049194
Available from: 2016-11-23 Created: 2016-11-23 Last updated: 2023-06-08Bibliographically approved

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Nielsen, Tim

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