Advanced Biodegradable and Functional Coatings for Postharvest Quality Preservation

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: 20 November 2026 | Viewed by 214

Special Issue Editors


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Guest Editor
Department of Horticulture, Faculty of Agriculture, Kocaeli University, Kocaeli 41285, Türkiye
Interests: postharvest physiology of vegetables, fruits, and cut flowers; vegetable production; salinity and drought stress in vegetables; soilless cultivation systems; cultivation and postharvest physiology of geophyte plants; greenhouse vegetable production; postharvest LED lighting systems; postharvest ultraviolet (UV) applications; edible coatings; and active packaging technologies

E-Mail Website
Guest Editor
Department of Horticulture, Faculty of Agriculture, Kocaeli University, Kocaeli 41285, Türkiye
Interests: postharvest physiology of vegetables, fruits, and cut flowers; vegetable production; salinity and drought stress in vegetables; soilless cultivation systems; cultivation and postharvest physiology of geophyte plants; greenhouse vegetable production; postharvest LED lighting systems; postharvest ultraviolet (UV) applications; edible coatings; and active packaging technologies

E-Mail Website
Guest Editor
Department of Horticulture, Faculty of Agriculture, Kocaeli University, Kocaeli 41285, Turkey
Interests: viticulture and grape cultivation; grapevine physiology and stress biology; grapevine rootstocks and rootstock–scion interactions; edible coating and active packaging technologies; sustainable agriculture; climate change adaptation; and reduction of food losses

Special Issue Information

Dear Colleagues,

Recent advances in material science, plant physiology, and postharvest technology have accelerated the development of biodegradable films and edible coatings as sustainable alternatives to conventional preservation methods. Beyond their environmental advantages, these bio-based systems are increasingly recognized for their functional roles in maintaining quality, reducing physiological disorders, and mitigating postharvest stress in fresh foods.

This Special Issue focuses on innovative biodegradable and functional coating technologies designed to enhance the postharvest performance of fruits, vegetables, and other fresh produce. Emphasis is placed on mechanisms related to moisture regulation, modification of gas exchange, reduction of oxidative stress, antimicrobial activity, and the preservation of nutritional and sensory attributes. Studies incorporating biopolymers, natural extracts, nanoparticles, bioactive compounds, and concepts related to active or smart packaging are particularly welcome.

The aim of this Special Issue is to bridge material innovation with postharvest physiology, providing a platform for interdisciplinary research that supports sustainable food systems through the reduction of postharvest losses while maintaining product quality and safety. Both fundamental research and applied studies with practical relevance to fresh produce systems are encouraged.

Prof. Dr. Rezzan Kasim
Prof. Dr. Mehmet Ufuk Kasim
Dr. Selda Daler
Guest Editors

Manuscript Submission Information

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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.

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Keywords

  • biodegradable films
  • edible coatings
  • postharvest quality
  • horticultural crops
  • active packaging
  • biopolymers
  • shelf life extension
  • postharvest stress mitigation
  • fresh produce preservation
  • sustainable food systems

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Published Papers (1 paper)

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Research

26 pages, 3385 KB  
Article
Evaluation of the Properties of NaC/PVA/CA Composite Films for Grape Packaging
by Sema Samatya Yılmaz, Melek Demirel, Selda Daler, Rezzan Kasım, Mehmet Ufuk Kasım and Ayşe Aytaç
Coatings 2026, 16(6), 642; https://doi.org/10.3390/coatings16060642 - 25 May 2026
Abstract
In this study glycerol-plasticized sodium caseinate/polyvinyl alcohol NaC/PVA composite films were prepared by solution casting, and the effects of incorporating caffeic acid powder at different concentrations 0% 2.5% 5% and 15% w/w on structural mechanical barrier and postharvest performance were investigated. [...] Read more.
In this study glycerol-plasticized sodium caseinate/polyvinyl alcohol NaC/PVA composite films were prepared by solution casting, and the effects of incorporating caffeic acid powder at different concentrations 0% 2.5% 5% and 15% w/w on structural mechanical barrier and postharvest performance were investigated. Caffeic acid (CA) (3,4-dihydroxycinnamic acid) is a naturally occurring phenolic compound commonly found in plant tissues and food sources such as apples, blueberries, and coffee. FTIR analysis revealed that shifts and broadening in OH bands indicated hydrogen bonding interactions between caffeic acid and the polymer matrix influencing structural organization. The pure NaC/PVA film exhibited high WVTR due to glycerol while maintaining low OTR. Adding 2.5% caffeic acid reduced WVTR but increased OTR through structural disruption. At 5% a continuous hydrogen-bonded network formed, restricting chain mobility and reducing free volume, thus lowering WVTR and OTR while preserving mechanical integrity. SEM micrographs revealed that high CA concentrations, particularly at 15%, led to aggregation-induced partial phase separation and consequent performance loss. Packaging treatments mainly affected physical and color attributes rather than primary metabolites. The NaC/PVA/5CA reduced weight loss and delayed sugar accumulation compared with NaC/PVA. Sugars peaked earlier in NaC/PVA but increased continuously in NaC/PVA/5CA, reaching maximum at the final storage stage. These findings indicate concentration-dependent mechanisms and highlight the potential of caffeic acid-based active packaging to regulate metabolism and extend postharvest quality. Overall results support its application in sustainable packaging systems for improved shelf life management. Full article
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