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Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves

In this study, we investigated the influence of pedological parameters and variation of altitude on the mineral nutrients, phenolic compounds, and antioxidant activities of olive leaves. Samples of the Chetoui cultivar were collected from eight geographical locations with different altitudes. Levels...

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Autores principales: Zakraoui, Mariem, Hannachi, Hédia, Pasković, Igor, Vidović, Nikolina, Polić Pasković, Marija, Palčić, Igor, Major, Nikola, Goreta Ban, Smiljana, Hamrouni, Lamia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10340353/
https://www.ncbi.nlm.nih.gov/pubmed/37444304
http://dx.doi.org/10.3390/foods12132565
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author Zakraoui, Mariem
Hannachi, Hédia
Pasković, Igor
Vidović, Nikolina
Polić Pasković, Marija
Palčić, Igor
Major, Nikola
Goreta Ban, Smiljana
Hamrouni, Lamia
author_facet Zakraoui, Mariem
Hannachi, Hédia
Pasković, Igor
Vidović, Nikolina
Polić Pasković, Marija
Palčić, Igor
Major, Nikola
Goreta Ban, Smiljana
Hamrouni, Lamia
author_sort Zakraoui, Mariem
collection PubMed
description In this study, we investigated the influence of pedological parameters and variation of altitude on the mineral nutrients, phenolic compounds, and antioxidant activities of olive leaves. Samples of the Chetoui cultivar were collected from eight geographical locations with different altitudes. Levels of phenolic compounds varied according to the altitude. Classification of the locations revealed that altitude 1 (>500 m) was characterized by high levels of secoiridoids and simple phenols, while altitude 2 (500–300 m) and altitude 3 (<300 m) were higher in flavonoids. Levels of Mn, Ca and B in the leaves and level of Zn in the soil were significantly correlated with the abundance of oleuropein and luteolin-7-O glucoside, the most important phenols in Chetoui olive leaves. The results suggest that, in addition to pedological criteria, environmental conditions also influence the formation of phenolic compounds.
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spelling pubmed-103403532023-07-14 Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves Zakraoui, Mariem Hannachi, Hédia Pasković, Igor Vidović, Nikolina Polić Pasković, Marija Palčić, Igor Major, Nikola Goreta Ban, Smiljana Hamrouni, Lamia Foods Article In this study, we investigated the influence of pedological parameters and variation of altitude on the mineral nutrients, phenolic compounds, and antioxidant activities of olive leaves. Samples of the Chetoui cultivar were collected from eight geographical locations with different altitudes. Levels of phenolic compounds varied according to the altitude. Classification of the locations revealed that altitude 1 (>500 m) was characterized by high levels of secoiridoids and simple phenols, while altitude 2 (500–300 m) and altitude 3 (<300 m) were higher in flavonoids. Levels of Mn, Ca and B in the leaves and level of Zn in the soil were significantly correlated with the abundance of oleuropein and luteolin-7-O glucoside, the most important phenols in Chetoui olive leaves. The results suggest that, in addition to pedological criteria, environmental conditions also influence the formation of phenolic compounds. MDPI 2023-06-30 /pmc/articles/PMC10340353/ /pubmed/37444304 http://dx.doi.org/10.3390/foods12132565 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zakraoui, Mariem
Hannachi, Hédia
Pasković, Igor
Vidović, Nikolina
Polić Pasković, Marija
Palčić, Igor
Major, Nikola
Goreta Ban, Smiljana
Hamrouni, Lamia
Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves
title Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves
title_full Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves
title_fullStr Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves
title_full_unstemmed Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves
title_short Effect of Geographical Location on the Phenolic and Mineral Composition of Chetoui Olive Leaves
title_sort effect of geographical location on the phenolic and mineral composition of chetoui olive leaves
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10340353/
https://www.ncbi.nlm.nih.gov/pubmed/37444304
http://dx.doi.org/10.3390/foods12132565
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