Sustainability of Olive Oil System (2nd Edition)

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Security and Sustainability".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 1439

Special Issue Editors


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Guest Editor
Department of Food and Drug (DiSAF), University of Parma, Parco Area delle Scienze 47/A, 43124 Parma, Italy
Interests: technology of oils and fats; physicochemical and thermal processing of food
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Guest Editor
Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, Italy
Interests: food science and technology; food product and process optimization; food authentication; IR spectroscopy; rheology; chemometrics
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Guest Editor
Department of Soil, Plant and Food Sciences (DiSSPA), University of Bari "Aldo Moro", Via G. Amendola 165/A, 70126 Bari, Italy
Interests: olive oil; food by-products; bioactive compounds; polyphenols
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The olive oil sector has a well-established historical tradition, but it should be strengthened by improving its sustainability in terms of environmental, economic, and social aspects.

Taking into consideration the increased consumer awareness of the difficulties set by climate change and the environmental decline, the implementation of more sustainable solutions in the olive oil supply chain should result in an added value for the product, whose quality should also be significantly improved and closely monitored.

Considering the success and the popularity of the Special Issue "Sustainability of Olive Oil System" previously published in the journal Foods in 2021 (https://www.mdpi.com/journal/foods/special_issues/sustainability_olive_oil), we now release a second issue aimed at gathering original research papers and review articles focused on this topic, which encountered an increasing interest in the last two years, to present the state of the art recently achieved by the academic world.

Prof. Dr. Emma Chiavaro
Prof. Dr. Cristina Alamprese
Prof. Dr. Francesco Caponio
Guest Editors

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Keywords

  • sustainability
  • olive oil
  • biodiversity
  • environment
  • economics
  • green chemistry
  • byproducts
  • innovation

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Published Papers (2 papers)

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Research

21 pages, 2886 KiB  
Article
A Functional Beverage from Coffee and Olive Pomace: Polyphenol-Flavonoid Content, Antioxidant, Antihyperglycemic Properties, and Mouse Behavior
by Analy Aispuro-Pérez, Fernando Javier Pedraza-Leyva, Alicia Ochoa-Acosta, Mayra Arias-Gastélum, Feliznando Isidro Cárdenas-Torres, Bianca Anabel Amezquita-López, Emiliano Terán, Emmanuel Aispuro-Hernández, Miguel Ángel Martínez-Téllez, Roberto J. Avena-Bustillos, Selina C. Wang, Eli Terán-Cabanillas and Ulises Osuna-Martínez
Foods 2025, 14(8), 1331; https://doi.org/10.3390/foods14081331 - 11 Apr 2025
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Abstract
Background: Coffee is widely consumed worldwide and is rich in polyphenols with antioxidant properties linked to a reduced risk of metabolic and cardiovascular diseases. Olive pomace (OP), a by-product of olive oil production, contains phenolic compounds with cardioprotective effects but is often discarded. [...] Read more.
Background: Coffee is widely consumed worldwide and is rich in polyphenols with antioxidant properties linked to a reduced risk of metabolic and cardiovascular diseases. Olive pomace (OP), a by-product of olive oil production, contains phenolic compounds with cardioprotective effects but is often discarded. Combining it with coffee could enhance health benefits and promote sustainability. Methods: Soluble solids, total phenols, flavonoids, and antioxidant capacity (DPPH scavenging activity) were analyzed in C-OP at 5%, 10%, 15%, and 20% OP concentrations. The C-OP 10% brew was selected for further evaluation with α-amylase inhibition and a 14-day pilot study in a murine model, evaluating weight, food and liquid intake, and behavior, compared to a control group. Results: Adding OP powder to ground coffee increased the total phenol content in the brews. The highest antioxidant activity (6.62–8.17 mmol TE/L) was found in those brewed from 10%, 15%, and 20% concentrations. The C-OP 10% brew had the highest acceptance in mice, with increased consumption, greater exploratory behavior, and reduced resting time. It also showed 30.5% α-amylase inhibition at 200 µg/mL. Conclusions: The incorporation of OP into coffee enhances its total phenol content and antioxidant capacity. The C-OP 10% brew showed optimal bioactivity, suggesting its potential as a functional beverage for metabolic health. Full article
(This article belongs to the Special Issue Sustainability of Olive Oil System (2nd Edition))
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13 pages, 651 KiB  
Article
An Overview of the Purity Characteristics, Pigments, and Tocopherol Contents of 48 Virgin Olive Oils from Apulian Minor Olive Accessions
by Giacomo Squeo, Pamela Laera, Roccangelo Silletti, Carmine Summo and Francesco Caponio
Foods 2025, 14(6), 964; https://doi.org/10.3390/foods14060964 - 12 Mar 2025
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Abstract
Together with the most diffused olive cultivars used for virgin olive oil (VOO) extraction, Apulia boasts a plethora of other minor varieties and accessions whose oil characteristics is little or no studied at all. The main novelty of this study is then providing [...] Read more.
Together with the most diffused olive cultivars used for virgin olive oil (VOO) extraction, Apulia boasts a plethora of other minor varieties and accessions whose oil characteristics is little or no studied at all. The main novelty of this study is then providing new insights about selected characteristics of 48 VOOs extracted from underexplored Apulian olive accessions. VOOs were extracted at laboratory scale and characterized for their fatty acid and sterol composition, pigments, and total tocopherol contents. Moreover, multivariate approaches were used to study VOOs similarity based on purity criteria. The results show that some VOOs had percentages of specific fatty acids or sterols out of current international limits. This was already observed in previous studies and should be taken into account by regulatory bodies and policy makers. The multivariate analysis of the dataset by PCA and k-means clustering allow to identify the VOO from San Benedetto variety as the most peculiar and, on the whole, a total of five different clusters of samples. Pigments and tocopherols ranges are wide among the oils, highlighting possible candidates for further valorization. Full article
(This article belongs to the Special Issue Sustainability of Olive Oil System (2nd Edition))
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