Biopolymer-Based Coatings for Sustainable and Functional Food Packaging

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: 30 November 2026 | Viewed by 800

Special Issue Editors

Institute of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan
Interests: biomass-derived materials for functional food packaging applications

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Guest Editor
Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
Interests: food packaging design; active packaging; shelf life; modified atmosphere packaging; biopolymer coating and film
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The growing demand for sustainable food packaging has intensified research into advanced coating materials and technologies. Among the various strategies explored, biopolymer-based coatings have emerged as particularly promising solutions due to their renewability, biodegradability, and inherent compatibility with food-contact applications. These coatings play a critical role in enhancing the functionality of packaging systems by improving barrier performance, extending shelf life, and contributing to food quality and safety, while simultaneously reducing environmental burdens.

Biopolymers such as polysaccharides, proteins, and other bio-based macromolecules offer versatile platforms for the design of functional coatings. Owing to their tuneable chemical structures and rich surface functionalities, biopolymer-based coatings can be engineered to impart a wide range of properties, including antimicrobial activity, antioxidant capacity, enhanced gas and moisture barrier performance, and responsiveness to environmental stimuli.

This Special Issue aims to present recent advances in biopolymer-based coatings for sustainable and functional food packaging, covering fundamental research, processing strategies, and application-driven studies. Contributions exploring innovative biopolymer materials, functionalization approaches, coating architectures, and their impacts on packaging performance are particularly welcome. Both experimental and review articles providing new insights into the development and implementation of biopolymer coatings in food packaging systems are encouraged.

Researchers working in related fields are invited to submit original research articles and reviews addressing topics such as the following:

  • Biopolymer materials for food packaging coatings;
  • Functional coatings (e.g., antimicrobial, antioxidant, barrier-enhancing, fast-dissolving);
  • Structure–property relationships of biopolymer coatings;
  • Coating technologies and processing methods.

Dr. Peifu Kong
Prof. Dr. Elena Torrieri
Guest Editors

Manuscript Submission Information

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Keywords

  • biopolymer-based coatings
  • sustainable food packaging
  • functional coatings
  • coating technologies
  • structure–property relationships

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Published Papers (1 paper)

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Research

19 pages, 1899 KB  
Article
Development and Characterization of Chitosan-Based Films Enriched with Callistemon citrinus Extract for Food Packaging of Cheddar Cheese
by Marika Avitabile, Dimitris Charalampopoulos, C. Valeria L. Giosafatto and Seyedeh Fatemeh Mirpoor
Coatings 2026, 16(3), 334; https://doi.org/10.3390/coatings16030334 - 8 Mar 2026
Viewed by 480
Abstract
This study investigated the effect of Callistemon citrinus flower extract (C.E.) on the structural and functional properties of chitosan-based bioplastics for food packaging applications. Increasing C.E. concentration produced changes in colour and opacity, with reduced L values and higher a values at 5% [...] Read more.
This study investigated the effect of Callistemon citrinus flower extract (C.E.) on the structural and functional properties of chitosan-based bioplastics for food packaging applications. Increasing C.E. concentration produced changes in colour and opacity, with reduced L values and higher a values at 5% C.E., resulting in a reddish appearance. Film opacity increased from 2.49% ± 0.10 for control to 13.60% ± 0.72 for film with 5% C.E., reducing transparency. The addition of 5% C.E. improved oxygen barrier properties, reducing O2 permeability compared to the control that was similar to Low-density polyethylene (LDPE). A qualitative antimicrobial screening showed that 5% C.E. effectively inhibited S. aureus (16 mm) and L. monocytogenes (12 mm), while no inhibition was detected against E. coli. Cheddar cheese packaged in films with C.E. exhibited higher weight loss (11.63% at 28 days) than LDPE (2.90%), whereas moisture retention remained moderate (76.62% for the film with 5% C.E.). Oxidative stability improved with lower lipid oxidation (K232 = 2.90 at 28 days) in cheese wrapped in C.E. films. Consumer evaluation indicated a positive perception, with 73% of participants willing to purchase products in C.E.-packaged films. Overall, C.E. enhanced antioxidant and antibacterial benefits, but further optimization may be required to improve moisture retention. Full article
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