Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage
Previous research on specialized metabolites of olive leaves has focused on the phenolic components and their biological role. The research in this article focuses on the metabolites that form free volatile compounds (FVCs). The composition of FVCs is divided into compounds isolated in the oil phase...
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| Format: | Article |
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MDPI AG
2021-11-01
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| Series: | Antioxidants |
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| Online Access: | https://www.mdpi.com/2076-3921/10/11/1832 |
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| author | Renata Jurišić Grubešić Marija Nazlić Tina Miletić Elma Vuko Nenad Vuletić Ivica Ljubenkov Valerija Dunkić |
| author_facet | Renata Jurišić Grubešić Marija Nazlić Tina Miletić Elma Vuko Nenad Vuletić Ivica Ljubenkov Valerija Dunkić |
| author_sort | Renata Jurišić Grubešić |
| collection | DOAJ |
| description | Previous research on specialized metabolites of olive leaves has focused on the phenolic components and their biological role. The research in this article focuses on the metabolites that form free volatile compounds (FVCs). The composition of FVCs is divided into compounds isolated in the oil phase (essential oils; EO) and in the aqueous phase (hydrosols; Hy) from leaves of <i>Olea europaea</i> L. cultivar Oblica. Plant material was collected from the same olive tree over a six-month period, from December to May, and analyzed by gas chromatography–mass spectrometry (GC–MS). The compounds <i>β</i>-caryophyllene, α-humulene, <i>allo</i>-aromadendrene, docosane, hexadecanoic acid and oleic acid were identified in all EO study periods. In the Hy in all studied periods, the major compounds are α-pinene, <i>β</i>-ionone, myristicin, docosane, <i>1</i>-hexanol, oleic acid and <i>(E)-β</i>-damascenone. The differences in the qualitative composition of FVC are directly related to the phenological development of the leaves. Antioxidant capacity of the EOs and hydrosols was measured with two methods, ORAC and DPPH. Hydrosol extracts showed higher capacity than the EOs in all methods. |
| first_indexed | 2024-03-10T05:45:39Z |
| format | Article |
| id | doaj.art-e44bd872cf344cdd829380002d60a16f |
| institution | Directory Open Access Journal |
| issn | 2076-3921 |
| language | English |
| last_indexed | 2024-03-10T05:45:39Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Antioxidants |
| spelling | doaj.art-e44bd872cf344cdd829380002d60a16f2023-11-22T22:14:20ZengMDPI AGAntioxidants2076-39212021-11-011011183210.3390/antiox10111832Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation StageRenata Jurišić Grubešić0Marija Nazlić1Tina Miletić2Elma Vuko3Nenad Vuletić4Ivica Ljubenkov5Valerija Dunkić6Faculty of Medicine, University of Rijeka, Braće Branchetta 20, HR-51000 Rijeka, CroatiaFaculty of Science, University of Split, Ruđera Boškovića 33, HR-21000 Split, CroatiaPharmacy “Vaše Zdravlje”, Put Kotlara 50, Zadar, HR-23000 Zadar, CroatiaFaculty of Science, University of Split, Ruđera Boškovića 33, HR-21000 Split, CroatiaFaculty of Science, University of Split, Ruđera Boškovića 33, HR-21000 Split, CroatiaFaculty of Science, University of Split, Ruđera Boškovića 33, HR-21000 Split, CroatiaFaculty of Science, University of Split, Ruđera Boškovića 33, HR-21000 Split, CroatiaPrevious research on specialized metabolites of olive leaves has focused on the phenolic components and their biological role. The research in this article focuses on the metabolites that form free volatile compounds (FVCs). The composition of FVCs is divided into compounds isolated in the oil phase (essential oils; EO) and in the aqueous phase (hydrosols; Hy) from leaves of <i>Olea europaea</i> L. cultivar Oblica. Plant material was collected from the same olive tree over a six-month period, from December to May, and analyzed by gas chromatography–mass spectrometry (GC–MS). The compounds <i>β</i>-caryophyllene, α-humulene, <i>allo</i>-aromadendrene, docosane, hexadecanoic acid and oleic acid were identified in all EO study periods. In the Hy in all studied periods, the major compounds are α-pinene, <i>β</i>-ionone, myristicin, docosane, <i>1</i>-hexanol, oleic acid and <i>(E)-β</i>-damascenone. The differences in the qualitative composition of FVC are directly related to the phenological development of the leaves. Antioxidant capacity of the EOs and hydrosols was measured with two methods, ORAC and DPPH. Hydrosol extracts showed higher capacity than the EOs in all methods.https://www.mdpi.com/2076-3921/10/11/1832antioxidant capacitydocosane<i>(E)-β</i>-damascenoneessential oilgas chromatography–mass spectrometry (GC-MS)hydrosol |
| spellingShingle | Renata Jurišić Grubešić Marija Nazlić Tina Miletić Elma Vuko Nenad Vuletić Ivica Ljubenkov Valerija Dunkić Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage Antioxidants antioxidant capacity docosane <i>(E)-β</i>-damascenone essential oil gas chromatography–mass spectrometry (GC-MS) hydrosol |
| title | Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage |
| title_full | Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage |
| title_fullStr | Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage |
| title_full_unstemmed | Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage |
| title_short | Antioxidant Capacity of Free Volatile Compounds from <i>Olea europaea</i> L. cv. Oblica Leaves Depending on the Vegetation Stage |
| title_sort | antioxidant capacity of free volatile compounds from i olea europaea i l cv oblica leaves depending on the vegetation stage |
| topic | antioxidant capacity docosane <i>(E)-β</i>-damascenone essential oil gas chromatography–mass spectrometry (GC-MS) hydrosol |
| url | https://www.mdpi.com/2076-3921/10/11/1832 |
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