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Polymers
Special Issues
Food Packaging With Essential Oils: Recent Trends and Advancements
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Food Packaging With Essential Oils: Recent Trends and Advancements

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

Deadline for manuscript submissions: closed (25 April 2023) | Viewed by 2303

Special Issue Editors

Dr. Anand Babu Perumal

E-Mail Website
Guest Editor
College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
Interests: bionanocomposites; polymer composites; nanocellulose; nanomaterials; active food packaging; postharvest preservation of fruits and vegetables; food processing and preservation; bioactive compounds; encapsulation; essential oils; spectroscopy techniques; plant disease management
Special Issues, Collections and Topics in MDPI journals
Dr. Alexandru Vasile Rusu

E-Mail Website
Guest Editor
Animal Science and Biotechnology Faculty, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania
Interests: renewable sources; biopolymers; bioconversion
Special Issues, Collections and Topics in MDPI journals
Dr. Monica Trif

E-Mail Website
Guest Editor
Food Research Department, Centre for Innovative Process Engineering (CENTIV) GmbH, 28816 Stuhr, Germany
Interests: coating; encapsulation; films; polymers; bioactive compounds
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, antimicrobial food packaging is in high demand in food sectors for food preservation. The use of antimicrobial agents in food packaging enhances functional value along with storing and protecting food. In recent times, natural active agents such as essential oils (EOs) have attracted more attention owing to their excellent antioxidant and antimicrobial properties. EOs are volatile in nature with good antimicrobial, antioxidant, and preservative properties, making them an ideal replacement for synthetic food additives. Among other things, their properties depend on the concentration, the plant of origin, the method of extraction and the respective processing. Active agents can be used in different forms to increase the shelf life of food products.

Therefore, this Special Issue aims to highlight various approaches related to food packaging with active compounds and various strategies for the complete exploration of these compounds and their mechanism in food applications. Research exploring the synergistic interactions between active compounds and packaging materials are also welcome. Solutions for perishable cost-effective food packaging that are antimicrobial and antibacterial and based on biopolymers are needed in order to prevent food-borne diseases and reduce food waste due to early spoilage.

The present Special Issue aims to present recent advancements in this field through research and review papers.

Dr. Anand Babu Perumal
Dr. Alexandru Vasile Rusu
Dr. Monica Trif
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 2700 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

  • packaging
  • essential oils
  • antimicrobial
  • antibacterial
  • food safety and quality
  • packaging technology
  • nanoemulsion

Published Papers (1 paper)

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Research

16 pages, 10624 KiB  
Article
Optimized Peppermint Essential Oil Microcapsules Loaded into Gelatin-Based Cryogels with Enhanced Antimicrobial Activity
by Didem Demir, Gulden Goksen, Seda Ceylan, Monica Trif and Alexandru Vasile Rusu
Polymers 2023, 15(13), 2782; https://doi.org/10.3390/polym15132782 - 22 Jun 2023
Viewed by 1650
Abstract
In this study, chitosan (Chi) was used to microencapsulate peppermint essential oil (PEO). A novel gelatin-based cryogel loaded with PEO microcapsules was further developed and characterized for potential applications. Four different cryogel systems were designed, and the morphological, molecular, physical and antibacterial properties [...] Read more.
In this study, chitosan (Chi) was used to microencapsulate peppermint essential oil (PEO). A novel gelatin-based cryogel loaded with PEO microcapsules was further developed and characterized for potential applications. Four different cryogel systems were designed, and the morphological, molecular, physical and antibacterial properties were investigated. Additionally, the antimicrobial properties of PEO, alone and microcapsulated, incorporated into the cryogel network were evaluated. The observed gel structure of cryogels exhibited a highly porous morphology in the microcapsules. The highest values of the equilibrium swelling ratio were acquired for the GelCryo–ChiCap and GelCryo–PEO@ChiCap samples. The contact angle GelCryo–PEO@ChiCap sample was lower than the control (GelCryo) due to the water repelling of the essential oil. It has been found that the incorporation of encapsulated PEO into the cryogels would be more advantageous compared to its direct addition. Moreover, GelCryo–PEO@ChiCap cryogels showed the strongest antibacterial activities, especially against Staphylococcus aureus (Gram-positive bacteria) and Escherichia coli (Gram-negative bacteria). The system that was developed showed promising results, indicating an improved antibacterial efficacy and enhanced structural properties due to the presence of microcapsules. These findings suggest that the system may be an appropriate candidate for various applications, including, but not limited to, drug release, tissue engineering, and food packaging. Finally, this system demonstrates a strategy to stabilize the releasing of the volatile compounds for creating successful results. Full article
(This article belongs to the Special Issue Food Packaging With Essential Oils: Recent Trends and Advancements)
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