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Nanomaterials
Special Issues
Nanocellulose-Based Materials for Active Food Packaging
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Nanocellulose-Based Materials for Active Food Packaging

A special issue of Nanomaterials (ISSN 2079-4991).

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 6883

Special Issue Editors

Dr. Carla Vilela

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Guest Editor
CICECO–Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: sustainable use of biopolymers (nanocellulose, chitosan, pullulan, proteins, etc.) for the design of functional nanostructured materials for biomedical (e.g., drug delivery and wound healing) and technological (e.g., active packaging, fuel cells, and water remediation) applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Carmen S. R. Freire

E-Mail Website
Guest Editor
CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: production and application of biogenic nanofibers (bacterial cellulose and protein fibrils); nanostructured biocomposites; bio-based materials for biomedical applications (wound healing, drug delivery and 3D-bioprinting); biocomposites and functional paper materials; chemical modification of (nano)cellulose fibers and other polysaccharides and their characterization and applications; chemistry of lignocellulosic materials (cellulose, wood, cork, etc.)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The need to reduce food spoilage, waste and recalls, as well as foodborne illness outbreaks, has spotlighted the active packaging technology as a way to enhance the safety, quality and shelf-life of the packaged foods. The use of the nanometric forms of cellulose, i.e. bacterial cellulose, cellulose nanocrystals and cellulose nanofibers, in numerous food-packaging applications is an active field of research. In fact, the synergetic partnership between nanocellulose (with an eco-friendly connotation and singular properties) and active additives (e.g., antimicrobial and antioxidant agents, oxygen and ethylene scavengers, and carbon dioxide emitters) can originate multifunctional nanomaterials as packaging tools with customizable properties.

This Special issue will gather the current and future advancements in the field of nanocellulose-based materials for active food packaging with focus on nanomaterials with antimicrobial and antioxidant agents, oxygen and ethylene scavengers, and carbon dioxide emitters to improve the shelf-life, safety and quality of food.

We cordially invite original research and review contributions on the topic of nanocellulose-based materials for active food packaging.

Prof. Dr. Carla Vilela
Prof. Dr. Carmen S. R. Freire
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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2900 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

  • Bacterial cellulose
  • cellulose nanocrystals
  • cellulose nanofibers
  • active food packaging
  • antimicrobial agents
  • carbon dioxide emitters
  • antioxidant agents
  • oxygen scavengers
  • ethylene scavengers.

Published Papers (1 paper)

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Research

16 pages, 2394 KiB  
Article
Antimicrobial and Conductive Nanocellulose-Based Films for Active and Intelligent Food Packaging
by Carla Vilela, Catarina Moreirinha, Eddy M. Domingues, Filipe M. L. Figueiredo, Adelaide Almeida and Carmen S. R. Freire
Nanomaterials 2019, 9(7), 980; https://doi.org/10.3390/nano9070980 - 06 Jul 2019
Cited by 71 | Viewed by 5977
Abstract
Bacterial nanocellulose (BNC) is becoming an important substrate for engineering multifunctional nanomaterials with singular and tunable properties for application in several domains. Here, antimicrobial conductive nanocomposites composed of poly(sulfobetaine methacrylate) (PSBMA) and BNC were fabricated as freestanding films for application in food packaging. [...] Read more.
Bacterial nanocellulose (BNC) is becoming an important substrate for engineering multifunctional nanomaterials with singular and tunable properties for application in several domains. Here, antimicrobial conductive nanocomposites composed of poly(sulfobetaine methacrylate) (PSBMA) and BNC were fabricated as freestanding films for application in food packaging. The nanocomposite films were prepared through the one-pot polymerization of sulfobetaine methacrylate (SBMA) inside the BNC nanofibrous network and in the presence of poly(ethylene glycol) diacrylate as cross-linking agent. The ensuing films are macroscopically homogeneous, more transparent than pristine BNC, and present thermal stability up to 265 °C in a nitrogen atmosphere. Furthermore, the films have good mechanical performance (Young’s modulus ≥ 3.1 GPa), high water-uptake capacity (450–559%) and UV-blocking properties. The zwitterion film with 62 wt.% cross-linked PSBMA showed bactericidal activity against Staphylococcus aureus (4.3–log CFU mL−1 reduction) and Escherichia coli (1.1–log CFU mL−1 reduction), and proton conductivity ranging between 1.5 × 10−4 mS cm−1 (40 °C, 60% relative humidity (RH)) and 1.5 mS cm−1 (94 °C, 98% RH). Considering the current set of properties, PSBMA/BNC nanocomposites disclose potential as films for active food packaging, due to their UV-barrier properties, moisture scavenging ability, and antimicrobial activity towards pathogenic microorganisms responsible for food spoilage and foodborne illness; and also for intelligent food packaging, due to the proton motion relevant for protonic-conduction humidity sensors that monitor food humidity levels. Full article
(This article belongs to the Special Issue Nanocellulose-Based Materials for Active Food Packaging)
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