Special Issue "Novel Advances in Food Contact Materials"

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: 15 October 2020.

Special Issue Editors

Dr. Raquel Sendón
E-Mail Website
Guest Editor
Department of Analytical Chemistry, Nutrition and Food Science, Faculty of Pharmacy, University of Santiago de Compostela, 15782-Santiago de Compostela, Spain
Interests: active packaging; food safety; food contact materials; food packaging; food preservation; food safety; analytical chemistry
Special Issues and Collections in MDPI journals
Prof. Dr. Ana Rodríguez Bernaldo de Quirós
E-Mail Website
Guest Editor
Analytical Chemistry, Nutrition and Bromatology Department, Pharmacy Faculty, Campus Vida s/n, University of Santiago de Compostela, 15782 Santiago de Compostela, La Coruña, Spain
Interests: food; food packaging; migration; food science; food technology; food safety

Special Issue Information

Dear Colleagues,

Packaging is essential for extending the shelf life of perishable foods and maintaining the quality of non-perishable foods. This is the result of the prevention of food contamination where packaging is a crucial player, as well as the interaction of packaging with the food itself or with the surrounding environment influencing so directly in the preservation of foods. The continuous search for higher quality and safer foods has led to the growing interest in novel food contact materials, and, bearing in mind the contamination issues related to plastic materials (the food contact material widest used), the development of new materials based on biodegradable or sustainable polymers has increased in recent years. Moreover, active agents can be added to these materials, and great attention is being paid to obtaining such agent from food industry by-products to contribute to a more circular economy.

On the other hand, the safety of food contact materials has become a concern for food safety authorities since components of these materials, present in the final product, can migrate to the food and are a risk for the consumers’ health, especially if high consumption of the packed food occurs.

Nowadays, the identification of potential migrants present in the food contact materials, including unexpected substances, is one of the most challenging topics for the scientific community in the food packaging field.

The main aim of this Special Issue “Novel Advances in Food Contact Materials” is to provide a set of high-quality papers that cover the latest developments in new or active food packaging materials as well as all aspects regarding their safety.

We invite you authors to submit relevant original research papers or critical reviews to this Special Issue.

 The topics of interest include, but are not limited to:

  • Active food packaging;
  • Biodegradable materials for food contact applications;
  • Bio-based materials for food contact applications;
  • Migration evaluation of novel food contact materials;
  • Safety evaluation of novel food contact materials.

Prof. Dr. Raquel Sendón
Prof. Dr. Ana Rodríguez Bernaldo de Quirós
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 papers will be 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. 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 1600 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.

Published Papers (3 papers)

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Research

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Open AccessFeature PaperArticle
Efficiency of Novel Antimicrobial Coating Based on Iron Nanoparticles for Dairy Products’ Packaging
Coatings 2020, 10(2), 156; https://doi.org/10.3390/coatings10020156 - 09 Feb 2020
Abstract
The main function of food packaging is to maintain food’s quality and safety. The use of active packaging, including antimicrobial materials, can significantly extend the shelf life of food. Many of these packaging solutions are based on the application of polymer films containing [...] Read more.
The main function of food packaging is to maintain food’s quality and safety. The use of active packaging, including antimicrobial materials, can significantly extend the shelf life of food. Many of these packaging solutions are based on the application of polymer films containing metal nanoparticles (e.g., Ag, Au, Cu) or metal oxides (e.g., TiO2, ZnO, MgO). However, the use of iron nanoparticles is rarely mentioned. In the study, polylactide (PLA) films containing zero-valent iron (ZVI) were made by casting method. Pure PLA films and PLA films with the addition of Fe2O3 were used as comparative materials. The composition and structure of ZVI/PLA films were evaluated with scanning electron microscopy. The XRD spectra performed on ZVI/PLA films confirmed the presence of iron in the packaging material and revealed their oxide form (Fe2O3). The addition of zero-valent iron in the concentration 1%, 3%, or 5% resulted in the formation of crystallographic planes measuring 40.8, 33.6, and 28.6 nm, respectively. The color and gloss of the films, and their antimicrobial activity against bacteria (Bacillus subtilis, Escherichia coli, Staphylococcus epidermidis) and fungi (Geotrichum candidum, Rhodotorula rubra) were also examined. The PLA films with addition of 3% of ZVI (w/w) inhibited the growth of all tested organisms in contrast to PLA and PLA/Fe2O3 films. The addition of ZVI to polymer matrix caused changes in its appearance and optical properties. The ZVI/PLA coating used on polyolefin film allowed to extend the shelf life of goat cheese packed in examined material to 6 weeks. Considering the antimicrobial properties of the ZVI/PLA films and PLA biodegradability the obtained material can be successfully applied in the food industry. Full article
(This article belongs to the Special Issue Novel Advances in Food Contact Materials)
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Review

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Open AccessReview
The Use of Edible Films Based on Sodium Alginate in Meat Product Packaging: An Eco-Friendly Alternative to Conventional Plastic Materials
Coatings 2020, 10(2), 166; https://doi.org/10.3390/coatings10020166 - 12 Feb 2020
Abstract
The amount of plastics used globally today exceeds a million tonnes annually, with an alarming annual growth. The final result is that plastic packaging is thrown into the environment, and the problem of waste is increasing every year. A real alternative is the [...] Read more.
The amount of plastics used globally today exceeds a million tonnes annually, with an alarming annual growth. The final result is that plastic packaging is thrown into the environment, and the problem of waste is increasing every year. A real alternative is the use bio-based polymer packaging materials. Research carried out in the laboratory context and products tested at the industrial level have confirmed the success of replacing plastic-based packaging with new, edible or completely biodegradable foils. Of the polysaccharides used to obtain edible materials, sodium alginate has the ability to form films with certain specific properties: resistance, gloss, flexibility, water solubility, low permeability to O2 and vapors, and tasteless or odorless. Initially used as coatings for perishable or cut fresh fruits and vegetables, these sodium alginate materials can be applied to a wide range of foods, especially in the meat industry. Used to cover meat products, sodium alginate films prevent mass loss and degradation of color and texture. The addition of essential oils prevents microbial contamination with Escherichia coli, Salmonella enterica, Listeria monocytogenes, or Botrytis cinerea. The obtained results promote the substitution of plastic packaging with natural materials based on biopolymers and, implicitly, of sodium alginate, with or without other natural additions. These natural materials have become the packaging of the future. Full article
(This article belongs to the Special Issue Novel Advances in Food Contact Materials)
Open AccessReview
Cactus Mucilage for Food Packaging Applications
Coatings 2019, 9(10), 655; https://doi.org/10.3390/coatings9100655 - 11 Oct 2019
Abstract
Natural polymers have been widely investigated for the development of eco-friendly materials. Among these bio-polymers, cactus mucilage is attracting increasing interest regardless of the plant species or the plant organ used for extraction. Mucilage, which is a highly branched heteropolysaccharide, has been previously [...] Read more.
Natural polymers have been widely investigated for the development of eco-friendly materials. Among these bio-polymers, cactus mucilage is attracting increasing interest regardless of the plant species or the plant organ used for extraction. Mucilage, which is a highly branched heteropolysaccharide, has been previously studied for its chemical composition, structural features, and biotechnological applications. This review highlights the mucilage application in the food packaging industry, by developing films and coatings. These cactus-based biomaterials will be discussed for their functional properties and their potential in preserving food quality and extending shelf life. Full article
(This article belongs to the Special Issue Novel Advances in Food Contact Materials)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

planned paper 1:

Title: Functional biopolymer coatings for packaging papers - a sustainable alternative for protection and safety of food products

Authors: Petronela Nechita, Mirela Roman (Iana-Roman)

Affiliation: Dunărea de Jos University of Galați, Romania, Department of Environmental, Applied Engineering and Agriculture

Abstract:

A proper packaging material should protect food products by providing barrier against environmental contamination and other influences (i.e. physical damage, light, microorganisms, temperature, odours, shocks, dust and humidity). This is the key to ensuring their quality and safety, as well as extending shelf-life and minimizing food waste. The new EU Plastics Strategies are intended to counteract the massive increase in the production of plastics worldwide. In this context, the requirements essentially relate to a high recycling and reduction plastics consumption. The cellulosic based materials (paper and board) are generally considered cost-effectives and most promising candidates largely because of its inherent advantages, particularly are cheaper than other materials, high recyclable and biodegradable, can be converted into containers with specified strength and stiffness; are more resilient than glass/plastic over a wider temperature range; are lighter and far more easily printed comparatively with other materials. The use of functional layers makes it possible to produce these paper-based packaging’s to meet the barrier property requirements of plastic composites. Therefore, nowadays it is of great practical interest to develop an efficient process for imparting functional properties (antibacterial, barrier) to conventional cellulosic materials aiming to obtain a sustainable package with high protection of foods. Many studies proved the effectiveness of polysaccharides as biopolymers from biomass resources in achieving high barrier to gases/liquids or to serves as matrix for incorporation of active additives to obtain the functional coatings for food packaging papers.

This review presents a systematic assessment on the availability of polysaccharides (i.e. chitosan, hemicelluloses, cellulose derivatives) and their utilization in composite coatings for foods packaging paper. In addition, their extraction methods, chemical modification and the environmental impact of these biopolymers utilisation is discussed.

planned paper2:

Title: Shelf-life enhancing potential of electrospun microfibers enriched with Porphyra dioica extracts

Authors: João Reboleira1*, Pedro Adão1, Sara Guerreiro2 Juliana Dias2, Rui Ganhão1, Susana Mendes1, Mariana Andrade3, Fernanda Vilarinho3, Ana Sanches-Silva4,5, Artur Mateus2, Nuno Alves2, Susana Bernardino1

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