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http://hdl.handle.net/1942/30237
Title: | Effect of packaging oxygen transmission rate on the shelf life of ready‐to‐heat foods susceptible to postcontamination during refrigerated and illuminated storage | Authors: | Baele, Maarten VERMEULEN, An Leloup, Frédéric ADONS, Dimitri PEETERS, Roos Devlieghere, Frank De Meulenaer, Bruno Ragaert, Peter |
Issue Date: | 2019 | Publisher: | John Wiley & Sons, Ltd. | Source: | PACKAGING TECHNOLOGY AND SCIENCE, 33 (3) , p. 99 -111 | Abstract: | Since more and more pressure is exerted to reduce the use of plastic packaging materials , optimizing the use of food packaging is opportune. The aim of this study was to evaluate the combined effect of packaging materials, spanning a range of oxygen transmission rates (OTR), and retail illumination, on the microbial shelf life and safety of refrigerated ready-to-heat foods. Cooked potato slices were packaged in OPA/PP bags with a high OTR (28.85 ccO 2 /m 2 /d) and OPA-EVOH/PP bags with a low OTR (6.57 ccO 2 /m 2 /d). Cooked composite meals were packaged in tray and foil combinations , also spanning a range of OTR: PP trays (2.09 ccO 2 /tray/d) with OPA/PP foils (28.85 ccO 2 /m 2 /d), PP trays with OPA-EVOH/PP (6.57 ccO 2 /m 2 /d) foils, and PET trays (0.07 ccO 2 /tray/d) with PET top foil (32.86 ccO 2 /m 2 /d). The packages were stored in a dark environment, or under fluorescent or LED light. Due to the rapid growth of lactic acid bacteria, the microbial shelf life of both food products was largely unaffected by the type of barrier. Illumination at 1000 lux for 12 hours per day led to temperature differences significantly affecting microbial growth. Based on the results, it could be concluded that re-evaluating packaging material choices for these foods may prove valuable, since the use of high-barrier multilayer packaging materials may be considered as a case of overpackaging. K E Y W O R D S dynamic oxygen concentration, packaging, potato slices, ready meals, shelf life | Keywords: | dynamic oxygen concentration;packaging;potato slices;ready meals;shelf life | Document URI: | http://hdl.handle.net/1942/30237 | ISSN: | 0894-3214 | e-ISSN: | 1099-1522 | DOI: | 10.1002/pts.2486 | ISI #: | WOS:000504600500001 | Rights: | 2019 Wiley & Sons | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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Baele_et_al-2019-Packaging_Technology_and_Science.pdf Restricted Access | Published version | 2.92 MB | Adobe PDF | View/Open Request a copy |
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