ArticleMolecules (Basel, Switzerland)2025
Olive Pomace Extract Acts as a New Potent Ferroptosis Inhibitor in Human Cells.
Article in Molecules (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Valorization of Olive Pomace as a Source of Phenolic Compounds: Extraction Technologies, Analytical Characterization, Biological Activities, and Food Applications.Foods (Basel, Switzerland) · 2026Review
- Decreased Plasma Concentration of Hydrogen Sulfide in Hospitalized COVID-19 Patients: A Novel Determinant of Mortality?Antioxidants (Basel, Switzerland) · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
The olive oil-production sector engages with the environment on multiple levels, and the valorization of olive pomace (OP) has emerged as a key strategy to improve the entire system's sustainability. Numerous studies have investigated the biological effects of OP phenolic fraction for nutraceutical applications, highlighting its antioxidant properties. This study aimed to assess the effect of an OP extract (OPE) and its phenolic content on ferroptosis induced by RAS-selective lethal 3 (RSL3), an inhibitor of glutathione peroxidase 4. After characterization of OPE phenolic composition, its antioxidant properties were confirmed through the Fenton reaction assay. Subsequently, we examined the effect of OPE on ter-butyl hydroperoxide-induced ROS generation and lipid peroxidation in TPH-1 and HIECs cells and found that OPE reduced ROS and lipid peroxidation. RSL3 decreased the number of vital cells, which was associated with an elevation in ROS and lipid peroxidation, and a reduction in GSH. Interestingly, all these detrimental effects were reversed by OPE. Furthermore, OPE was also found to significantly increase GSH and the GSH/GSSG ratio per se. In conclusion, the fact that OPE decreases ROS and lipid peroxidation induced by RSL3 and augments GSH and cell viability suggests that OPE has potential as a ferroptosis inhibitor.
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