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Coatings 2016, 6(1), 6; doi:10.3390/coatings6010006

Antimicrobial Performance of Two Different Packaging Materials on the Microbiological Quality of Fresh Salmon

1
DeFENS, Department of Food, Environmental and Nutritional Sciences, Università degli Studi di Milano, Via G. Celoria 2, Milano 20133, Italy
2
SP Food and Bioscience, Ideon, Lund 22370, Sweden
3
Packaging Lab., Instituto de Agroquímica y Tecnología de Alimentos, IATA-CSIC, Paterna 46980, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Sheryl Barringer
Received: 11 December 2015 / Revised: 11 January 2016 / Accepted: 20 January 2016 / Published: 27 January 2016
(This article belongs to the Special Issue Food and Beverage Packaging Coatings)
View Full-Text   |   Download PDF [496 KB, uploaded 27 January 2016]   |  

Abstract

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. View Full-Text
Keywords: active packaging; carvacrol; coextrusion; lysozyme; lactoferrin; coating; salmon active packaging; carvacrol; coextrusion; lysozyme; lactoferrin; coating; salmon
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Rollini, M.; Nielsen, T.; Musatti, A.; Limbo, S.; Piergiovanni, L.; Hernandez Munoz, P.; Gavara, R. Antimicrobial Performance of Two Different Packaging Materials on the Microbiological Quality of Fresh Salmon. Coatings 2016, 6, 6.

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