Bioactive Edible Films for Food Packaging and Storage

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: 17 July 2025 | Viewed by 1279

Special Issue Editors


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Guest Editor
Department of Chemistry, Biotechnology and Bioprocess Engineering, Universidade Federal de Sao Joao del-Rei, Sao Joao del Rei 36300, Brazil
Interests: nanotechnology in food; active and intelligent packaging; functional foods

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Guest Editor Assistant
Department of Chemistry Engineering, Universidade Federal de Sao Joao del-Rei, Sao Joao del Rei 36300, Brazil
Interests: active and intelligent packaging

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Guest Editor Assistant
Department of Chemistry, Biotechnology and Bioprocess Engineering, Universidade Federal de Sao Joao del-Rei, Sao Joao del Rei 36300, Brazil
Interests: nanotechnology in food and functional foods

Special Issue Information

Dear Colleagues,

In recent years, the demand for sustainable, environmentally friendly packaging with increased efficiency and/or new properties has increased, driven by the growing awareness of the population and government of environmental issues and consumer preferences for safer and healthier food products. Bioactive edible films have emerged as a promising alternative to traditional packaging materials, offering multifunctional benefits in improving food preservation, extending shelf life, and minimizing waste production. This Special Issue aims to explore the latest advances, challenges, and applications of bioactive edible films for food packaging and storage, presenting a comprehensive overview of this field including in the discussion of nanotechnology and technology transfer from the academic sector to the market.

Bioactive edible films, usually made up of natural polymers such as proteins, polysaccharides, and lipids, can incorporate functional additives derived from natural sources or bioactive compounds with antimicrobial, antioxidant, and barrier properties into their matrix. These films act as protective barriers against external factors, including oxygen, humidity, and microbial contamination, thus maintaining food quality and safety throughout the storage period. In addition, the incorporation of bioactive compounds increases the bioavailability of nutrients and bioactive components in packaged foods, contributing to their nutritional value and health benefits.

This Special Issue invites contributions covering research and patents on bioactive edible films for food packaging and storage. Articles can cover fundamental research into the development and characterization of bioactive film materials, including their physicochemical and microbiological properties, barrier performance, forms of application and mechanical strength. In addition, studies exploring the application of bioactive edible films to various food products such as fruits, vegetables, meats, dairy products, breads, and other foods are encouraged. Furthermore, research into the effects of bioactive edible films on food quality, safety, and shelf-life extension, along with considerations of regulatory aspects, the risks, benefits, and regulation of nanotechnology in such packaging, and prospects for scaling and commercialization, are pertinent to this thematic issue.

We look forward to receiving your contributions.

Prof. Dr. Igor José Santos
Guest Editor

Prof. Dr. Renata Carolina Zanetti Lofrano
Prof. Dr. Sandra de Cássia Dias
Guest Editor Assistants

Manuscript Submission Information

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Keywords

  • food packaging
  • bioactive and edible films
  • natural polymers
  • antimicrobial agents and antioxidants
  • surface modification
  • food safety and preservation
  • nanotechnology for food packaging

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Published Papers (1 paper)

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Research

24 pages, 2647 KiB  
Article
Tara Gum Nanochitosan-Based Coatings to Extend Guava Shelf-Lives
by Andersen Escobar Schlogl, Jhonatan Rafael de Oliveira Bianchi, Liliane de Paula Gonçalves, George Lucas da Silva Magalhães, Ana Claudia Arcanjo da Silva Aguiar, Ranieli Paiva Lopes, Ênio Nazaré de Oliveira Junior, Jane Sélia dos Reis Coimbra and Igor José Boggione Santos
Coatings 2025, 15(1), 44; https://doi.org/10.3390/coatings15010044 - 3 Jan 2025
Viewed by 858
Abstract
Active packaging has emerged as a promising technological alternative for coating fruits and extending their shelf life. In this study, we developed a Tara gum and chitosan nanostructure-based coating, assessing its effects on guava shelf life and antifungal activity. In vitro analyses showed [...] Read more.
Active packaging has emerged as a promising technological alternative for coating fruits and extending their shelf life. In this study, we developed a Tara gum and chitosan nanostructure-based coating, assessing its effects on guava shelf life and antifungal activity. In vitro analyses showed that nanochitosan suspension concentrations between 4.5 and 5.625 mg·mL−1 completely inhibited the growth of the fungus Colletotrichum gloeosporioides and reduced the growth of Puccinia psidii. In in vivo tests, guavas coated with a 1.5% (w/v) Tara gum coating with 0.5% (v/v) nanochitosan exhibited significantly delayed or no lesion growth, unlike the control group, where lesions developed continuously. Beyond antifungal results, the Tara gum and nanochitosan coatings maintained the guava’s luminescence for up to 16 days, reduced weight loss, and preserved firmness compared to the control group. Firmness tests indicated that Tara gum, both pure and at 0.1% and 0.3% (v/v) concentrations, was effective in preserving this characteristic. Chemically, the coating also contributed to increased pH and acidity of the guavas, although a reduction in reducing and total sugars was observed in all groups. These findings confirm that the Tara gum with nanochitosan-based coating is an effective nanotechnological biomaterial to extend the shelf life of seasonal fruits, acting as a physical and biological barrier against pathogens and supporting post-harvest preservation. Full article
(This article belongs to the Special Issue Bioactive Edible Films for Food Packaging and Storage)
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