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Agronomy
Special Issues
New Sustainability Trends in Using Fruit and Vegetable By-Products and...
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New Sustainability Trends in Using Fruit and Vegetable By-Products and Bio-Residues

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Horticultural and Floricultural Crops".

Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 3801

Special Issue Editors

Prof. Dr. Pedro Javier Zapata

E-Mail Website
Guest Editor
Department of AgriFood Technology, EPSO, University Miguel Hernández, 03312 Orihuela, Spain
Interests: postharvest; fruit quality; antioxidants; bioactive compounds; eco-friendly technologies
Special Issues, Collections and Topics in MDPI journals
Dr. Maria Jose Gimenez Torres

E-Mail Website
Guest Editor
Department of Food Technology, EPSO, University Miguel Hernández, Ctra. Beniel km. 3.2, 03312 Alicante, Spain
Interests: antioxidants; eco-friendly technologies; food safety; fruit quality; postharvest; preharvest
Special Issues, Collections and Topics in MDPI journals
Dr. Vicente Serna-Escolano

E-Mail Website
Guest Editor
Department of Agri-Food Technology, Polytechnic School of Orihuela, University Miguel Hernández, 03312 Alicante, Spain
Interests: pre-harvest; antioxidants; polyphenols, fruit quality; gene expression; metabolic pathways
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plant by-products and bio-residues are secondary products that are often discarded or wasted during production or during other stages of food processing. Food waste is one of the greatest challenges facing the agricultural and food sectors. In view of the constantly growing world population and the level of consumption, the supply of food products, whose production produces by-products and bio-waste, is constantly growing. The role of farmers and processors in limiting this negative phenomenon is huge. An extremely important element in the production process is planning, including an assessment of the risks associated with the loss of product quality and a plan to counteract these phenomena, as well as well-planned logistics, including product storage. If food waste cannot be avoided at the processing, manufacturing, and transport stages, it must be effectively processed in a way that is similar to that carried out in the primary production stage: plant waste can be composted or sent to a biogas plant, or the pulp can be used as an additive to feed for livestock.

In this Special Issue, we will focus on the use of fruit and vegetable by-products and bio-residues. We invite authors to submit articles on the use of fruit and vegetable by-products and bioactive components in waste, the techniques of their extraction, and the potential use of the obtained bioactive compounds.

Prof. Dr. Pedro Javier Zapata
Dr. Maria Jose Gimenez Torres
Dr. Vicente Serna-Escolano
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. Agronomy 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 2600 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

  • by-products
  • bio-residues
  • vegetables
  • fruits
  • bio-waste
  • sustainability
  • bioactive compounds

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Published Papers (2 papers)

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Research

16 pages, 1891 KiB  
Article
Physicochemical and Functional Characterization of Pear Leathers Enriched with Wild Bilberry and Blackcurrant Pomace Powders
by Ana Maria Blejan, Violeta Nour and Georgiana Gabriela Codină
Agronomy 2024, 14(9), 2048; https://doi.org/10.3390/agronomy14092048 - 7 Sep 2024
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Abstract
Fruit leathers are convenient, delicious and sophisticated alternatives to natural fruits as a source of nutrients, fibers and bioactive compounds. The present study was conducted to develop new fruit leathers by adding 0.5%, 1.0% and 1.5% wild bilberry (BIPP) and blackcurrant (BCPP) pomace [...] Read more.
Fruit leathers are convenient, delicious and sophisticated alternatives to natural fruits as a source of nutrients, fibers and bioactive compounds. The present study was conducted to develop new fruit leathers by adding 0.5%, 1.0% and 1.5% wild bilberry (BIPP) and blackcurrant (BCPP) pomace powders in pear leather manufactured with honey (5%), pectin (1%) and lemon juice (2.5%) as additional ingredients. The CIEL*a*b* color parameters, titratable acidity, total phenolics content, total anthocyanins content and DPPH radical scavenging activity were determined in the fruit leathers. In addition, the puncturing force, flexibility and adhesiveness of the fruit leathers were measured and sensory analysis was conducted. The results showed that the addition of pomace powders significantly decreased the lightness, chroma and hue angle and increased the titratable acidity of the fruit leathers while a* values decreased in the leathers with BIPP addition. Flexibility slightly decreased while adhesiveness significantly increased with increasing BIPP and BCPP addition level, changes that were perceived as negative in the sensory analysis. The total phenolic content increased by 2.03, 3.26 and 4.45 times at 0.5, 1.0 and 1.5% BIPP addition, respectively, while only by 1.22, 1.42 and 1.60 times at the same levels of BCPP addition. The newly developed fruit leathers could be recommended as alternative snack foods with high nutritional value and functionality. Full article
(This article belongs to the Special Issue New Sustainability Trends in Using Fruit and Vegetable By-Products and Bio-Residues)
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12 pages, 1306 KiB  
Article
Effect of Preharvest Treatments with Sodium Bicarbonate and Potassium Silicate in Navel and Valencia Oranges to Control Fungal Decay and Maintain Quality Traits during Cold Storage
by Vicente Serna-Escolano, María Gutiérrez-Pozo, Alicia Dobón-Suárez, Pedro J. Zapata and María José Giménez
Agronomy 2023, 13(12), 2925; https://doi.org/10.3390/agronomy13122925 - 28 Nov 2023
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Abstract
The quality of sweet orange (Citrus sinensis L.) is determined by the presence of decay caused by phytopathogenic fungi. This can develop in the field and rapidly spread among oranges during postharvest storage. Currently, the conventional treatments applied to control this problem [...] Read more.
The quality of sweet orange (Citrus sinensis L.) is determined by the presence of decay caused by phytopathogenic fungi. This can develop in the field and rapidly spread among oranges during postharvest storage. Currently, the conventional treatments applied to control this problem are chemical fungicides. However, consumers demand eco-friendly and non-polluting alternatives with low chemical residues. Therefore, the aim of this work is the preharvest application of sodium bicarbonate (SB) and potassium silicate (PS) solutions at 0.1 and 1% to Navel and Valencia oranges to elucidate the effect on fruit quality and fungal decay at harvest and after 42 days of storage at 8 °C. Results showed that oranges treated with SB 0.1%, PS 0.1, and PS 1% maintained quality traits at similar levels to the control ones. However, SB 1% reduced firmness and increased weight loss, respiration rate, maturity index, and citrus color index. The total carotenoid content significantly increased in oranges treated with SB 1%, and no differences were observed in the other treatments compared to the control. Total antioxidant activity and total phenolic content decreased in oranges treated with SB at 0.1 and 1%, contrary to the results observed in oranges treated with PS, where both parameters increased. Regarding fungal decay, the best results were obtained in oranges treated with the highest doses of SB and PS. Therefore, the use of SB and PS in preharvest sprays could be an alternative to control fungal decay without affecting orange quality. Full article
(This article belongs to the Special Issue New Sustainability Trends in Using Fruit and Vegetable By-Products and Bio-Residues)
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