Advanced Coatings and Films for Food Packing and Storage, 3rd Edition

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Coatings for Food Technology and System".

Deadline for manuscript submissions: 20 August 2026 | Viewed by 573

Special Issue Editors


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Guest Editor
College of Food Science, Shanghai Ocean University, Shanghai 201306, China
Interests: films; coatings; food storage; food preservation
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Special Issue Information

Dear Colleagues,

With the increasing demand for food quality and food safety, the development of efficient packaging strategies for prolonging the shelf life of food is an urgent priority. Edible coatings are fine layers made up of an edible material that protects the food from physicochemical and microbiological decomposition, with various advantages such as edibility, biocompatibility, non-toxicity, and being a non-pollutant. Additionally, these coatings combine active ingredients such as deoxidizers, antioxidants, and antimicrobials in the coating materials, and can release or absorb the active ingredients into the packaged foods or their surrounding environment. The selection of suitable coatings should consider the polymer type of coatings-based materials, the added active ingredients, and the physical and chemical properties of food. Polymer-based coatings can come from synthetic or natural sources, and the use of natural biopolymers mainly composed of proteins, polysaccharides, lipids, or their combinations (such as chitosan, starch, protein isolates, etc.) as coating materials has become a research hotspot. At the same time, researchers have made considerable efforts to search for natural active ingredients to extend the shelf life of food during storage, such as gas scavengers, antimicrobials, and antioxidants. Therefore, advanced coatings solutions are constantly expanding.

Previously, we published two editions of this (https://www.mdpi.com/journal/coatings/special_issues/coatings_films_food and https://www.mdpi.com/journal/coatings/special_issues/T1ER90D6F4) Special Issue online. These two Special Issues, now closed, were very successful. Considering the importance of this topic, we are planning to open a third edition of this Special Issue.

We invite researchers to with their original research results or review articles on the following topics:

  • Discovery of new natural biopolymers (proteins, polysaccharides, lipids, etc.) as the base materials for advanced coatings.
  • Natural biopolymer-based films with improved functionalities, such as oxygen or ethylene scavenging, carbon dioxide embittering, antimicrobial and antioxidant properties, etc.
  • Discovery of new manufacturing methods for improving the functional properties of natural biopolymer-based films
  • Advanced coatings for extending shelf life and maintaining food quality during storage.

We look forward to receiving your contributions.

Dr. Jun Mei
Prof. Dr. Jing Xie
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 250 words) can be sent to the Editorial Office for assessment.

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. Coatings 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 2600 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

  • edible coatings
  • active ingredients
  • bio-based materials
  • active packaging
  • intelligent/smart packaging
  • shelf life

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Published Papers (1 paper)

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Research

21 pages, 6257 KB  
Article
Pickering Emulsions Loaded with Thymol and Stabilized by Mung Bean Protein/Whey Protein Isolate Nanoparticles: Stability and Functional Properties
by Song Li, Jing Xie and Jun Mei
Coatings 2026, 16(5), 540; https://doi.org/10.3390/coatings16050540 - 1 May 2026
Viewed by 326
Abstract
Thymol has been granted “Generally Recognized as Safe” status by the US Food and Drug Administration. However, its application as a natural preservative is constrained by limitations such as poor water solubility and high volatility. In this study, a dual-protein complex was prepared [...] Read more.
Thymol has been granted “Generally Recognized as Safe” status by the US Food and Drug Administration. However, its application as a natural preservative is constrained by limitations such as poor water solubility and high volatility. In this study, a dual-protein complex was prepared using mung bean protein and whey protein isolate to stabilize thymol-loaded oil-in-water (O/W) Pickering emulsions. The results demonstrated that the dual-protein system was driven by hydrogen bonding, electrostatic attraction, and hydrophobic interactions. Compared to single-protein systems, the dual-protein Pickering emulsions possessed smaller droplet sizes, lower polydispersity indices, and higher surface charges and surface hydrophobicity. Additionally, the dual protein enhanced emulsifying activity, thermal stability, and 30-day storage stability. Notably, the complex formed a continuous three-dimensional porous network structure at the mung bean protein (MBP) to whey protein isolate (WPI) ratio of 50%:50%. Benefiting from this structure and high surface hydrophobicity, the 50%:50% formulation achieved the highest thymol encapsulation efficiency. In terms of functional properties, this optimized emulsion demonstrated notable antibacterial activity and antioxidant activity; it demonstrated antibacterial activity against Shewanella putrefaciens and Staphylococcus aureus. Furthermore, the IC50 value for the 50%:50% formulation was 192.25 ± 1.93 μg/mL (DPPH) and 161.74 ± 0.71 μg/mL (ABTS). In summary, the 50%:50% formulation enhanced the emulsifying activity, encapsulation efficiency, and bioactivity of the emulsion. This system provides an effective strategy for the stabilization and encapsulation of hydrophobic active compounds in emulsions. Full article
(This article belongs to the Special Issue Advanced Coatings and Films for Food Packing and Storage, 3rd Edition)
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