Edible Gel Coatings and Membranes

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 368

Special Issue Editors


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Guest Editor
Department of Food Science and Technology, School of Agricultural Sciences, University of Patras, 30100 Agrinio, Greece
Interests: chemical technology; nanostructures in food technology; polymers and biopolymers composites and nanocomposites; biopolymers hydrogels; bioactive nanostructures; nanomaterials; microemulsions; nanoemulsions; active packaging; control release; food processing and preservation
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Guest Editor
Department of Material Science and Engineering, University of Ioannina, 45110 Ioannina, Greece
Interests: process engineering; porous materials; material characterization; kinetics; mesoporous materials; chemical engineering; catalyst characterization; BET surface area measurement; hydrogen production; stable isotopes; biomass
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are grateful to all authors, reviewers and readers for their responses to the first and second editions of our Special Issue on "Bioactive Gel Films and Coatings Applied in Active Food Packaging". You can access these articles for free via the following links:

Bioactive Gel Films and Coatings Applied in Active Food Packaging (1st Edition)

Bioactive Gel Films and Coatings Applied in Active Food Packaging (2nd Edition)

Recently, the trends in circular economy and sustainability have driven nanotechnology towards the development of novel and innovative applications in the food packaging sector, which is rather recent compared with their use in biomedical and pharmaceutical applications. Bioactive films and coatings based on natural biopolymers such as chitosan, sodium alginate and gelatin, and those containing antioxidant and antimicrobial agents such as micro- and nanoemulsions of phytochemicals and nanostructured materials, such as quantum dots, ZnO nanoparticles, nanoclays, silicas, zeolites and activated carbons, are finding application in various sectors of the food industry, especially in the development of novel edible active packaging films and coatings. These bioactive films and coating materials enhance solubility, improve bioavailability, facilitate controlled release, and protect bioactive components during manufacture and storage. This Special Issue intends to provide an overview of bioactive gel films and coatings applied in active food packaging.

We invite you to contribute a work to this third edition. The paper type can be original research articles, reviews, rapid communications and perspectives.

Dr. Aris Giannakas
Dr. Constantinos Salmas
Prof. Dr. Charalampos Proestos
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Gels is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biopolymers
  • edible films and coatings
  • essential oils
  • natural extracts
  • emulsions
  • nanoemulsions
  • nanoparticles
  • active packaging

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Published Papers (1 paper)

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Research

21 pages, 2947 KiB  
Article
Impact of Antioxidant-Enriched Edible Gel Coatings and Bio-Based Packaging on Cherry Tomato Preservation
by Corinne Giacondino, Alessandra De Bruno, Davide Puntorieri, Martina Pizzimenti and Amalia Piscopo
Gels 2024, 10(9), 549; https://doi.org/10.3390/gels10090549 - 24 Aug 2024
Viewed by 288
Abstract
This research investigates the effects of using edible gel coatings and bio-based packaging materials on extending the shelf life of cherry tomatoes. Two edible gel coatings (guar gum and guar gum +5% of a lemon (Citrus limon (L.) Osbeck pomace extract obtained [...] Read more.
This research investigates the effects of using edible gel coatings and bio-based packaging materials on extending the shelf life of cherry tomatoes. Two edible gel coatings (guar gum and guar gum +5% of a lemon (Citrus limon (L.) Osbeck pomace extract obtained in the research laboratory) were applied on cherry tomatoes, then they were packaged in bio-based materials (cellulose tray + PLA lid). Guar gum, glycerol, sorbitol, extra virgin olive oil, and tween 20 were used in coating formulation. Uncoated tomatoes packed in bio-based materials and conventional plastic (PET trays + lid) were tested as a control. Samples were stored for 45 days at 20 °C and their quality parameters were evaluated. Coated tomatoes maintained firmness and weight, and the enriched coated samples showed a significant increase in phenol content, derived from the antioxidant extract. Samples packed in PET showed a sensory unacceptability (<4.5) after 45 days correlated with a greater decline in firmness (from 10.51 to 5.96 N) and weight loss (from 7.06 to 11.02%). Therefore, edible gel coating and bio-based packaging proved to be effective in maintaining the overall quality of cherry tomatoes for 45 days, offering a promising approach to reduce plastic polymer use and food waste. Full article
(This article belongs to the Special Issue Edible Gel Coatings and Membranes)
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