The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy

The growing emergence of resistance mechanisms and side effects associated with antifungal agents highlight the need for alternative therapies. This study aims to investigate the antifungal potential of ozonated extra-virgin olive oil (EOO) against <i>Candida albicans</i>, with the goal...

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Main Authors: Simone Augello, Valentina Cameli, Arianna Montanari, Stefano Tacconi, Daniela Uccelletti, Luciana Dini, Emily Schifano
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Biomolecules
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Online Access:https://www.mdpi.com/2218-273X/14/11/1472
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author Simone Augello
Valentina Cameli
Arianna Montanari
Stefano Tacconi
Daniela Uccelletti
Luciana Dini
Emily Schifano
author_facet Simone Augello
Valentina Cameli
Arianna Montanari
Stefano Tacconi
Daniela Uccelletti
Luciana Dini
Emily Schifano
author_sort Simone Augello
collection DOAJ
description The growing emergence of resistance mechanisms and side effects associated with antifungal agents highlight the need for alternative therapies. This study aims to investigate the antifungal potential of ozonated extra-virgin olive oil (EOO) against <i>Candida albicans</i>, with the goal of developing eco-friendly and highly effective treatments based on natural products. Antifungal activity was evaluated via cell viability and biofilm formation assays using Crystal Violet and Sytox green staining. The results showed that EOO reduced <i>C. albicans</i> viability in a dose-dependent manner, achieving over 90% cell death at a 3% (<i>v</i>/<i>v</i>) concentration. Transmission Electron Microscopy (TEM) revealed cell wall structural damage, and ROS levels increased by approximately 60% compared to untreated controls within 10 min of treatment. Additionally, the expression of autophagy-related genes <i>atg-7</i> and <i>atg-13</i>was upregulated by 2- and 3.5-fold, respectively, after 15 min, suggesting a stress-induced cell death response. EOO also significantly inhibited hyphal formation and biofilm development, thus reducing <i>C. albicans</i> pathogenicity while preserving cell biocompatibility. EOO antifungal activity was also observed in the case of <i>Candida glabrata.</i> In conclusion, ozonated olive oil demonstrates potent antifungal activity against <i>C. albicans</i> by reducing cell viability, inhibiting hyphal and biofilm formation, and triggering oxidative stress and autophagy pathways. These findings position EOO as a promising alternative therapy for fungal infections.
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spelling doaj-art-c03d623a5ecc4a9f8e72df0bbeca709b2025-08-20T02:28:11ZengMDPI AGBiomolecules2218-273X2024-11-011411147210.3390/biom14111472The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and EfficacySimone Augello0Valentina Cameli1Arianna Montanari2Stefano Tacconi3Daniela Uccelletti4Luciana Dini5Emily Schifano6Department of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyDepartment of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyDepartment of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyDepartment of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyDepartment of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyDepartment of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyDepartment of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, ItalyThe growing emergence of resistance mechanisms and side effects associated with antifungal agents highlight the need for alternative therapies. This study aims to investigate the antifungal potential of ozonated extra-virgin olive oil (EOO) against <i>Candida albicans</i>, with the goal of developing eco-friendly and highly effective treatments based on natural products. Antifungal activity was evaluated via cell viability and biofilm formation assays using Crystal Violet and Sytox green staining. The results showed that EOO reduced <i>C. albicans</i> viability in a dose-dependent manner, achieving over 90% cell death at a 3% (<i>v</i>/<i>v</i>) concentration. Transmission Electron Microscopy (TEM) revealed cell wall structural damage, and ROS levels increased by approximately 60% compared to untreated controls within 10 min of treatment. Additionally, the expression of autophagy-related genes <i>atg-7</i> and <i>atg-13</i>was upregulated by 2- and 3.5-fold, respectively, after 15 min, suggesting a stress-induced cell death response. EOO also significantly inhibited hyphal formation and biofilm development, thus reducing <i>C. albicans</i> pathogenicity while preserving cell biocompatibility. EOO antifungal activity was also observed in the case of <i>Candida glabrata.</i> In conclusion, ozonated olive oil demonstrates potent antifungal activity against <i>C. albicans</i> by reducing cell viability, inhibiting hyphal and biofilm formation, and triggering oxidative stress and autophagy pathways. These findings position EOO as a promising alternative therapy for fungal infections.https://www.mdpi.com/2218-273X/14/11/1472<i>C. albicans</i>antifungalozonated oiloxidative stressautophagy
spellingShingle Simone Augello
Valentina Cameli
Arianna Montanari
Stefano Tacconi
Daniela Uccelletti
Luciana Dini
Emily Schifano
The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy
Biomolecules
<i>C. albicans</i>
antifungal
ozonated oil
oxidative stress
autophagy
title The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy
title_full The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy
title_fullStr The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy
title_full_unstemmed The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy
title_short The Antifungal Potential of Ozonated Extra-Virgin Olive Oil Against <i>Candida albicans</i>: Mechanisms and Efficacy
title_sort antifungal potential of ozonated extra virgin olive oil against i candida albicans i mechanisms and efficacy
topic <i>C. albicans</i>
antifungal
ozonated oil
oxidative stress
autophagy
url https://www.mdpi.com/2218-273X/14/11/1472
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