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Development of a pectin-based oxygen barrier coating for food packaging applications

Ffyon Moody, Andrew Claypole, Jenny Woods, Ben Clifford, Qiuyun Liu, Craig Hardwick, Christopher Phillips Orcid Logo, Davide Deganello Orcid Logo

Future Foods, Volume: 12, Start page: 100766

Swansea University Authors: Ffyon Moody, Andrew Claypole, Ben Clifford, Christopher Phillips Orcid Logo, Davide Deganello Orcid Logo

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DOI (Published version): 10.1016/j.fufo.2025.100766

Abstract

Flexible food packaging films are challenging to recycle due to the complex multi-layer structures required for barrier properties for food protection, in a thin, transparent yet mechanically strong system. This work explores pectin as a bioderived oxygen barrier coating for polyethylene terephthala...

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Published in: Future Foods
ISSN: 2666-8335
Published: Elsevier BV 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa70504
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This work explores pectin as a bioderived oxygen barrier coating for polyethylene terephthalate (PET) films as a potential use case for meat packaging, targeting an oxygen transmission rate (OTR) below 1 cm3/m2.day.atm. Water-based coatings based on pectin were developed and deposited onto PET film. These coatings provided a viable oxygen barrier, reducing the OTR of 12 &#xB5;m PET film from around 90 cm3/m2.day.atm when uncoated to &#x223C;2-4 cm3/m2.day.atm when coated, a result comparable with ethylene vinyl alcohol (EVOH) currently in commercial use. Additionally, isopropyl alcohol (IPA) and graphene oxide (GO) were individually investigated as additives. GO addition was effective (OTR &#x2264;0.7 cm3/m2.day.atm), but at the expense of reduced transparency. IPA addition resulted in the highest oxygen barrier with an OTR of &#x2264;0.22 cm3/m2.day.atm. 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spelling 2025-10-06T10:15:19.2169537 v2 70504 2025-09-25 Development of a pectin-based oxygen barrier coating for food packaging applications 83dec76fa18d42f31b9f440f26dfea27 Ffyon Moody Ffyon Moody true false f67f965e32151fcd26f52f9db57d7baa Andrew Claypole Andrew Claypole true false eaaa538f5503e162cf91e18e06d58843 Ben Clifford Ben Clifford true false cc734f776f10b3fb9b43816c9f617bb5 0000-0001-8011-710X Christopher Phillips Christopher Phillips true false ea38a0040bdfd3875506189e3629b32a 0000-0001-8341-4177 Davide Deganello Davide Deganello true false 2025-09-25 Flexible food packaging films are challenging to recycle due to the complex multi-layer structures required for barrier properties for food protection, in a thin, transparent yet mechanically strong system. This work explores pectin as a bioderived oxygen barrier coating for polyethylene terephthalate (PET) films as a potential use case for meat packaging, targeting an oxygen transmission rate (OTR) below 1 cm3/m2.day.atm. Water-based coatings based on pectin were developed and deposited onto PET film. These coatings provided a viable oxygen barrier, reducing the OTR of 12 µm PET film from around 90 cm3/m2.day.atm when uncoated to ∼2-4 cm3/m2.day.atm when coated, a result comparable with ethylene vinyl alcohol (EVOH) currently in commercial use. Additionally, isopropyl alcohol (IPA) and graphene oxide (GO) were individually investigated as additives. GO addition was effective (OTR ≤0.7 cm3/m2.day.atm), but at the expense of reduced transparency. IPA addition resulted in the highest oxygen barrier with an OTR of ≤0.22 cm3/m2.day.atm. The tested pectin coatings were demonstrated to be water washable, allowing easy removal, leaving clean PET film for convenient recycling. This opens new opportunities for the use of PET as a viable thin film for packaging. Journal Article Future Foods 12 100766 Elsevier BV 2666-8335 PET; Pectin; graphene oxide; oxygen barrier; recycling 1 12 2025 2025-12-01 10.1016/j.fufo.2025.100766 COLLEGE NANME COLLEGE CODE Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) The authors would like to acknowledge the COATED M2A funding from the European Social Fund via the Welsh Government (c80816), the Engineering and Physical Sciences Research Council (Grant Ref: EP/S02252X/1) and Klöckner Pentaplast that has made this research possible. This research was also partly financially supported by the Knowledge Economy Skills Scholarships (KESS 2) through funding of the European social fund (ESF). 2025-10-06T10:15:19.2169537 2025-09-25T12:01:49.6790850 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Ffyon Moody 1 Andrew Claypole 2 Jenny Woods 3 Ben Clifford 4 Qiuyun Liu 5 Craig Hardwick 6 Christopher Phillips 0000-0001-8011-710X 7 Davide Deganello 0000-0001-8341-4177 8 70504__35249__ebcbb8190739454c8e9dbec02e8ce549.pdf 70504.VoR.pdf 2025-10-06T10:11:48.0919747 Output 2353377 application/pdf Version of Record true © 2025 The Authors. This is an open access article under the CC BY license. true eng http://creativecommons.org/licenses/by/4.0/
title Development of a pectin-based oxygen barrier coating for food packaging applications
spellingShingle Development of a pectin-based oxygen barrier coating for food packaging applications
Ffyon Moody
Andrew Claypole
Ben Clifford
Christopher Phillips
Davide Deganello
title_short Development of a pectin-based oxygen barrier coating for food packaging applications
title_full Development of a pectin-based oxygen barrier coating for food packaging applications
title_fullStr Development of a pectin-based oxygen barrier coating for food packaging applications
title_full_unstemmed Development of a pectin-based oxygen barrier coating for food packaging applications
title_sort Development of a pectin-based oxygen barrier coating for food packaging applications
author_id_str_mv 83dec76fa18d42f31b9f440f26dfea27
f67f965e32151fcd26f52f9db57d7baa
eaaa538f5503e162cf91e18e06d58843
cc734f776f10b3fb9b43816c9f617bb5
ea38a0040bdfd3875506189e3629b32a
author_id_fullname_str_mv 83dec76fa18d42f31b9f440f26dfea27_***_Ffyon Moody
f67f965e32151fcd26f52f9db57d7baa_***_Andrew Claypole
eaaa538f5503e162cf91e18e06d58843_***_Ben Clifford
cc734f776f10b3fb9b43816c9f617bb5_***_Christopher Phillips
ea38a0040bdfd3875506189e3629b32a_***_Davide Deganello
author Ffyon Moody
Andrew Claypole
Ben Clifford
Christopher Phillips
Davide Deganello
author2 Ffyon Moody
Andrew Claypole
Jenny Woods
Ben Clifford
Qiuyun Liu
Craig Hardwick
Christopher Phillips
Davide Deganello
format Journal article
container_title Future Foods
container_volume 12
container_start_page 100766
publishDate 2025
institution Swansea University
issn 2666-8335
doi_str_mv 10.1016/j.fufo.2025.100766
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Flexible food packaging films are challenging to recycle due to the complex multi-layer structures required for barrier properties for food protection, in a thin, transparent yet mechanically strong system. This work explores pectin as a bioderived oxygen barrier coating for polyethylene terephthalate (PET) films as a potential use case for meat packaging, targeting an oxygen transmission rate (OTR) below 1 cm3/m2.day.atm. Water-based coatings based on pectin were developed and deposited onto PET film. These coatings provided a viable oxygen barrier, reducing the OTR of 12 µm PET film from around 90 cm3/m2.day.atm when uncoated to ∼2-4 cm3/m2.day.atm when coated, a result comparable with ethylene vinyl alcohol (EVOH) currently in commercial use. Additionally, isopropyl alcohol (IPA) and graphene oxide (GO) were individually investigated as additives. GO addition was effective (OTR ≤0.7 cm3/m2.day.atm), but at the expense of reduced transparency. IPA addition resulted in the highest oxygen barrier with an OTR of ≤0.22 cm3/m2.day.atm. The tested pectin coatings were demonstrated to be water washable, allowing easy removal, leaving clean PET film for convenient recycling. This opens new opportunities for the use of PET as a viable thin film for packaging.
published_date 2025-12-01T05:26:44Z
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