Special Issue "Recent Advances in Smart and Nanostructured Bioactive Food Packaging Systems"

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Membranes and Films".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 1303

Special Issue Editors

Dr. Hajer Aloui
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Guest Editor
Department of Chemical Engineering, Chungbuk National University, Cheongju, Chungbuk 28644, Korea
Interests: bio-based films; coated paper; materials characterization; nanocomposites processing; bioactive films; coatings for food packaging applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Khaoula Khwaldia
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Guest Editor
Laboratoire des Substances Naturelles, Institut National de Recherche et d’Analyse Physico-Chimique, INRAP, Pôle Technologique de Sidi Thabet, Sidi Thabet 2020, Tunisia
Interests: active packaging; food packaging; edible films and coatings; food preservation, valorisation of by-products and wastes; bipolymers
Special Issues, Collections and Topics in MDPI journals
Dr. Ana Teresa Sanches-Silva
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Guest Editor
National Institute of Agrarian and Veterinary Research, Rua dos Lágidos, Lugar da Madalena, 4485- 655 Vila do Conde, Portugal
Interests: food and food packaging analysis; food bioactives; food contaminants; mycotoxins; food packaging migration; development and validation of analytical methods for the determination of food components and food contaminants; mass spectrometry applied to food analysis; development of active packaging with antioxidant properties; edible packaging
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Food products are highly susceptible to microbial contamination that may affect their quality attributes and reduce their nutritional value. Over the past two decades, nanotechnology has been investigated as a promising strategy to enhance the performance of bio-based films and coatings in preserving food quality through the development of nanocomposite materials, as well as nanoencapsulated and multilayered/nanolaminate delivery systems. These innovative packaging systems have the potential to modulate the release of the entrapped bioactive agents, which may maintain their concentrations at a critical level for microbial growth inhibition over long periods of storage. Along with nanostructured packaging systems, smart/intelligent packaging materials can serve as efficient and cost-effective means to monitor environmental conditions in the food supply chain through their ability to communicate information related to storage conditions and the quality of the stored food using sensors/nanosensors located in food packaging systems.

In this context, we are organizing a Special Issue entitled “Recent Advances in Smart and Nanostructured Bioactive Food Packaging Systems” in Polymers.

This Special Issue focuses on the latest progress in the development of smart packaging systems and nanostructured materials incorporating bioactive compounds and their application for preserving food quality. You are sincerely invited to submit your latest research in the form of original full articles, communications, or reviews on this topic.

Dr. Hajer ALOUI
Prof. Dr. Khaoula Khwaldia
Dr. Ana Teresa Sanches-Silva
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. Polymers 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 2400 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

  • nanocomposite materials
  • nanolaminates
  • nanoencapsulating systems
  • smart packaging systems
  • bioactive compounds
  • food preservation

Published Papers (1 paper)

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Research

Article
Expanding the Applicability of an Innovative Laccase TTI in Intelligent Packaging by Adding an Enzyme Inhibitor to Change Its Coloration Kinetics
Polymers 2021, 13(21), 3646; https://doi.org/10.3390/polym13213646 - 22 Oct 2021
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Abstract
Enzymatic time–temperature indicators (TTIs) usually suffer from instability and inefficiency in practical use as food quality indicator during storage. The aim of this study was to address the aforementioned problem by immobilizing laccase on electrospun chitosan fibers to increase the stability and minimize [...] Read more.
Enzymatic time–temperature indicators (TTIs) usually suffer from instability and inefficiency in practical use as food quality indicator during storage. The aim of this study was to address the aforementioned problem by immobilizing laccase on electrospun chitosan fibers to increase the stability and minimize the usage of laccase. The addition of NaN3, as and enzyme inhibitor, was intended to extend this laccase TTI coloration rate and activation energy (Ea) range, so as to expand the application range of TTIs for evaluating changes in the quality of foods during storage. A two-component time–temperature indicator was prepared by immobilizing laccase on electrospun chitosan fibers as a TTI film, and by using guaiacol solution as a coloration substrate. The color difference of the innovative laccase TTI was discovered to be <3, and visually indistinguishable when OD500 reached 3.2; the response reaction time was regarded as the TTI’s coloration endpoint. Enzyme immobilization and the addition of NaN3 increased coloration Km and reduced coloration Vmax. The coloration Vmax decreased to 64% when 0.1 mM NaN3 was added to the TTI, which exhibited noncompetitive inhibition and a slower coloration rate. Coloration hysteresis appeared in the TTI with NaN3, particularly at low temperatures. For TTI coloration, the Ea increased to 29.92–66.39 kJ/mol when 15–25 μg/cm2 of laccase was immobilized, and the endpoint increased to 11.0–199.5 h when 0–0.10 mM NaN3 was added. These modifications expanded the applicability of laccase TTIs in intelligent food packaging. Full article
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