Postharvest Application of Edible Coatings on Fruits and Vegetables

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Postharvest Biology, Quality, Safety, and Technology".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 6202

Special Issue Editors


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Guest Editor
Department of Agricultural, Food and Forest Sciences, University of Palermo, 90128 Palermo, Italy
Interests: post-harvest; food quality; food safety; storage; shelf life; edible coating; modified atmosphere packaging
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Guest Editor
Department of Agricultural, Food and Forest Sciences (SAAF), Viale delle Scienze Bldg. 4, 90128 Palermo, Italy
Interests: fruit quality; tropical horticulture; fruit postharvest
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Agricultural, Food and Forest Sciences, University of Palermo, 90128 Palermo, Italy
Interests: post-harvest; edible coating; food packaging; food quality; food safety

Special Issue Information

Dear Colleagues,

Fresh fruits and vegetables, as they are composed of organic matrices, are characterized by a supply chain with many critical aspects. High-quality standards at harvest must be preserved, as well as during the subsequent post-harvest stages, where it is known that the most significant product losses can occur.

The post-harvest loss of fresh fruits and vegetables is estimated to be 20-30%. Given their perishable nature, the use of cold storage is necessary to delay ripening-related changes; however, this method is not sufficient to preserve their quality during transportation and marketing, which often causes product loss. For this reason, in recent decades, the growing demand for refrigerated fresh fruits and vegetables with an extended shelf life, no added additives, and a high nutritional value has promoted the development of alternative preservation technologies. Among the different technologies, edible coatings (ECs) seem to be a promising discovery, as they can maintain the high-quality standards by inhibiting metabolic activities, limiting microbial spoilage and allowing fruits to have a prolonged shelf life. An EC consists of a thin layer of edible film applied to the surface of a food product to preserve its freshness by modulating the permeability of water vapor, O2 and CO2, which maintains the flavor, texture and nutritional value of food and also provides effective protection against bacteria. In addition, edible coatings can also serve as possible carriers for a wide range of food additives, including essential oils and nutrients that not only extend the shelf life of products, but can also improve their safety and acceptability. Finally, further interesting aspects in the use of ECs include the possibility of recycling industrial by-products with the concomitant goal of managing less waste and reducing plastic pollution, which is one of the most serious threats to our planet.

Therefore, this Special Issue will serve as a presentation platform for articles and reviews with the following specifications:

  • New insights into coatings in food technology;
  • Edible active matrix role of various physiological and bioactive mechanisms in fresh and minimally processed fruits and vegetables during postharvest storage;
  • Recent discovery of natural substances (e.g., essential oils);
  • Microbiological effects of ECs and food safety;
  • ECs in the production of packaging;
  • Mode of action of antimicrobial edible coatings on different post-harvest pathogens;
  • Nutritional value ECs in food products;
  • ECs from waste or by-product valorization.

Dr. Ilenia Tinebra
Dr. Vittorio Farina
Dr. Roberta Passafiume
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. Horticulturae 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 2200 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

  • biopolymers
  • antimicrobials
  • active compounds
  • edible films
  • edible coatings
  • food packaging
  • biodegradable materials
  • food quality
  • safety
  • storage
  • polysaccharides
  • proteins
  • lipids
  • food wastes
  • minimally processed foods

Published Papers (3 papers)

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Research

12 pages, 3104 KiB  
Article
Chitosan Coatings with Essential Oils against Colletotrichum gloeosporioides (Penz.) Penz. and Sacc. in Annona muricata L. Fruits
by Francisco Morales-Chávez, Carlos Núñez-Colín, Luis Mariscal-Amaro, Adán Morales-Vargas, Iran Alia-Tejacal, Edel Rafael Rodea-Montero, Claudia Grijalva-Verdugo, Rafael Veloz-García and Jesús Rubén Rodríguez-Núñez
Horticulturae 2023, 9(8), 908; https://doi.org/10.3390/horticulturae9080908 - 10 Aug 2023
Viewed by 1526
Abstract
Anthracnose, which is caused by the fungus Colletotrichum gloeosporioides (Penz.) Penz. and Sacc. (C. gloeosporioides), is the main disease that affects soursop fruits and causes accelerated deterioration due to the rotting process. The objective of this study was to evaluate the [...] Read more.
Anthracnose, which is caused by the fungus Colletotrichum gloeosporioides (Penz.) Penz. and Sacc. (C. gloeosporioides), is the main disease that affects soursop fruits and causes accelerated deterioration due to the rotting process. The objective of this study was to evaluate the effect of chitosan-based coatings with essential oils on the physiological, antifungal, and shelf-life properties of soursop. Chitosan-based coatings were combined with essential oils of cinnamon and thyme and applied to soursop. The parameters evaluated were respiration and ethylene by gas chromatography, shelf life, weight loss, total soluble solids, color, maturity index, and titratable acidity. The chitosan obtained had a molecular weight of 169 kDa and an 83% degree of deacetylation; respiration and ethylene values showed significant reductions of 47 and 50% with coatings. Weight loss was reduced by up to 50%, even on inoculated fruits, and shelf life increased by two days. Chitosan-based coatings with essential oils are an appropriate alternative to improve the quality of soursop and decrease the effect of C. gloeosporioides. Full article
(This article belongs to the Special Issue Postharvest Application of Edible Coatings on Fruits and Vegetables)
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21 pages, 6442 KiB  
Article
Biocomposite Coatings Delay Senescence in Stored Diospyros kaki Fruits by Regulating Antioxidant Defence Mechanism and Delaying Cell Wall Degradation
by Muhammad Shahzad Saleem, Shaghef Ejaz, Walid F. A. Mosa, Sajid Ali, Hasan Sardar, Muhammad Moaaz Ali, Sami Ullah, Hayssam M. Ali, Anna Lisek and Muhammad Akbar Anjum
Horticulturae 2023, 9(3), 351; https://doi.org/10.3390/horticulturae9030351 - 7 Mar 2023
Cited by 2 | Viewed by 1503
Abstract
Climacteric rise in the rate of respiration and ethylene production in harvested persimmon (Diospyros kaki) fruits leads to early onset of fruit tissue senescence. Therefore, this study was carried out to maintain the quality of stored persimmons by using edible coatings. [...] Read more.
Climacteric rise in the rate of respiration and ethylene production in harvested persimmon (Diospyros kaki) fruits leads to early onset of fruit tissue senescence. Therefore, this study was carried out to maintain the quality of stored persimmons by using edible coatings. For this purpose, Aloe vera gel was combined with food hydrocolloids, gum arabic or tragacanth gum, and applied on persimmon fruits that were stored for 20 days at 20 ± 1 °C and 80–85% RH. Biocomposite coatings, compared to control, remarkably reduced weight loss, decay incidence, respiration rate, ethylene production, electrolyte leakage, malondialdehyde, H2O2 and superoxide anion content in stored fruits. The use of composite coatings inhibited colour change by reducing the accumulation of total carotenoids, maintained higher antioxidative enzymes activity and suppressed the activity of cell wall degrading enzymes, resultantly preserving cell wall components. Composite coated fruits exhibited the least change in biochemical attributes and higher sensory scores in comparison with non-coated fruits at the end of the storage period. In conclusion, Aloe vera gel/gum arabic was the most effective coating treatment before storing persimmons. Full article
(This article belongs to the Special Issue Postharvest Application of Edible Coatings on Fruits and Vegetables)
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16 pages, 1447 KiB  
Article
Hydrolate and EO Application to Reduce Decay of Carica papaya during Storage
by Alessandra Culmone, Giulia Mirabile, Ilenia Tinebra, Marco Michelozzi, Alessandra Carrubba, Maria Grazia Bellardi, Vittorio Farina, Gianfranco Romanazzi and Livio Torta
Horticulturae 2023, 9(2), 204; https://doi.org/10.3390/horticulturae9020204 - 3 Feb 2023
Cited by 2 | Viewed by 2576
Abstract
Postharvest fruit loss is caused by the absence of advanced handling and storage technologies and the quiescent presence of fungal pathogens. Therefore, there is a growing demand for sustainable decisions for the planet. This study focused on the use of two types of [...] Read more.
Postharvest fruit loss is caused by the absence of advanced handling and storage technologies and the quiescent presence of fungal pathogens. Therefore, there is a growing demand for sustainable decisions for the planet. This study focused on the use of two types of edible coatings: one was based on the essential oil of Origanum vulgare L. subsp. viridulum with Aloe arborescens Mill. gel (EC1), and the other was based on the hydrolate only (EC2). These treatments were applied to provide defense against fungal infections in papaya (Carica papaya L. cv Solo), and the storage time was 25 days (T5 ± 1 °C). Fruits coated with EC1 were more contaminated with fungal pathogens than both control (CTR) and EC2 fruit. EC2 showed a statistically lower decay index than CTR and EC1 and maintained its organoleptic characteristics better, showing a 15% loss of firmness after 25 days of storage. Furthermore, the lowest decay index (1.14 after 25 days) was found for the EC1 and CTR. These findings suggest that the use of hydrolate can be useful for extending the shelf life and maintaining the quality of papaya fruit, representing an alternative to the use of synthetic fungicides for food safety. Full article
(This article belongs to the Special Issue Postharvest Application of Edible Coatings on Fruits and Vegetables)
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