Metabolite Profiling and Antioxidant Activities in Seagrass Biomass

In this work, metabolite profiling of seeds and antioxidant analysis of fragments of two marine seagrasses, <i>Posidonia oceanica</i> and <i>Cymodocea nodosa,</i> were carried out to identify metabolite signature involved in seed viability and to evaluate the potential of fra...

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Main Authors: Pilar Garcia-Jimenez, Milagros Rico, Diana del Rosario-Santana, Vicent Arbona, Marina Carrasco-Acosta, David Osca
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Marine Drugs
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Online Access:https://www.mdpi.com/1660-3397/23/5/193
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author Pilar Garcia-Jimenez
Milagros Rico
Diana del Rosario-Santana
Vicent Arbona
Marina Carrasco-Acosta
David Osca
author_facet Pilar Garcia-Jimenez
Milagros Rico
Diana del Rosario-Santana
Vicent Arbona
Marina Carrasco-Acosta
David Osca
author_sort Pilar Garcia-Jimenez
collection DOAJ
description In this work, metabolite profiling of seeds and antioxidant analysis of fragments of two marine seagrasses, <i>Posidonia oceanica</i> and <i>Cymodocea nodosa,</i> were carried out to identify metabolite signature involved in seed viability and to evaluate the potential of fragments as a source of bioactive compounds. Using HILIC/QTOF-MS, UHPLC-MS and spectrophotometric analysis, seed metabolites and polyphenols and antioxidant activities, such as those of radical scavenging (RSA), reduction (FRAP, CUPRAC) and complexation (CCA), of rhizome fragments were evaluated. Metabolite comparison between seeds revealed differences across development stages (germinated and non-germinated) and seed types (dormant and non-dormant), providing insights into metabolic activity potentially associated with germination processes and seed viability. Furthermore, polyphenol analysis showed the highest content of caffeic acid in mature leaves (17.00 ± 0.02 μg g<sup>−1</sup> dw for <i>P. oceanica</i> and 98.00 ± 0.03 μg g<sup>−1</sup> dw for <i>C. nodosa</i>). Total phenolic content was correlated with flavonoids and with reduction and complexation activities. The combination of radical scavenging activity and t<sub>1/2</sub> was higher in <i>P. oceanica</i> than <i>C. nodosa</i> and also surpassed the commercial synthetic antioxidant BHA. We conclude <i>P. oceanica</i> and <i>C. nodosa</i> exhibit distinct seed metabolite profiles related to germination and type of seeds, and that fragments are rich in antioxidants, with potential as sustainable sources of bioactive compounds.
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spelling doaj-art-b0452541f7c042b689c86bdc76e928f42025-08-20T02:33:57ZengMDPI AGMarine Drugs1660-33972025-04-0123519310.3390/md23050193Metabolite Profiling and Antioxidant Activities in Seagrass BiomassPilar Garcia-Jimenez0Milagros Rico1Diana del Rosario-Santana2Vicent Arbona3Marina Carrasco-Acosta4David Osca5Department of Biology, Faculty of Marine Sciences, Instituto Universitario de Investigación en Estudios Ambientales y Recursos Naturales IUNAT, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas, SpainDepartment of Chemistry, Instituto Universitario de Oceanografía y Cambio Global-IOCAG, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas, SpainDepartment of Biology, Faculty of Marine Sciences, Instituto Universitario de Investigación en Estudios Ambientales y Recursos Naturales IUNAT, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas, SpainDepartament de Biologia, Bioquímica i Ciències Naturals, Universitat Jaume I, 12071 Castelló de la Plana, SpainDepartment of Biology, Faculty of Marine Sciences, Instituto Universitario de Investigación en Estudios Ambientales y Recursos Naturales IUNAT, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas, SpainDepartment of Biology, Faculty of Marine Sciences, Instituto Universitario de Investigación en Estudios Ambientales y Recursos Naturales IUNAT, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas, SpainIn this work, metabolite profiling of seeds and antioxidant analysis of fragments of two marine seagrasses, <i>Posidonia oceanica</i> and <i>Cymodocea nodosa,</i> were carried out to identify metabolite signature involved in seed viability and to evaluate the potential of fragments as a source of bioactive compounds. Using HILIC/QTOF-MS, UHPLC-MS and spectrophotometric analysis, seed metabolites and polyphenols and antioxidant activities, such as those of radical scavenging (RSA), reduction (FRAP, CUPRAC) and complexation (CCA), of rhizome fragments were evaluated. Metabolite comparison between seeds revealed differences across development stages (germinated and non-germinated) and seed types (dormant and non-dormant), providing insights into metabolic activity potentially associated with germination processes and seed viability. Furthermore, polyphenol analysis showed the highest content of caffeic acid in mature leaves (17.00 ± 0.02 μg g<sup>−1</sup> dw for <i>P. oceanica</i> and 98.00 ± 0.03 μg g<sup>−1</sup> dw for <i>C. nodosa</i>). Total phenolic content was correlated with flavonoids and with reduction and complexation activities. The combination of radical scavenging activity and t<sub>1/2</sub> was higher in <i>P. oceanica</i> than <i>C. nodosa</i> and also surpassed the commercial synthetic antioxidant BHA. We conclude <i>P. oceanica</i> and <i>C. nodosa</i> exhibit distinct seed metabolite profiles related to germination and type of seeds, and that fragments are rich in antioxidants, with potential as sustainable sources of bioactive compounds.https://www.mdpi.com/1660-3397/23/5/193antioxidants<i>Cymodocea nodosa</i>metabolites<i>Posidonia oceanica</i>rametsseeds
spellingShingle Pilar Garcia-Jimenez
Milagros Rico
Diana del Rosario-Santana
Vicent Arbona
Marina Carrasco-Acosta
David Osca
Metabolite Profiling and Antioxidant Activities in Seagrass Biomass
Marine Drugs
antioxidants
<i>Cymodocea nodosa</i>
metabolites
<i>Posidonia oceanica</i>
ramets
seeds
title Metabolite Profiling and Antioxidant Activities in Seagrass Biomass
title_full Metabolite Profiling and Antioxidant Activities in Seagrass Biomass
title_fullStr Metabolite Profiling and Antioxidant Activities in Seagrass Biomass
title_full_unstemmed Metabolite Profiling and Antioxidant Activities in Seagrass Biomass
title_short Metabolite Profiling and Antioxidant Activities in Seagrass Biomass
title_sort metabolite profiling and antioxidant activities in seagrass biomass
topic antioxidants
<i>Cymodocea nodosa</i>
metabolites
<i>Posidonia oceanica</i>
ramets
seeds
url https://www.mdpi.com/1660-3397/23/5/193
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AT vicentarbona metaboliteprofilingandantioxidantactivitiesinseagrassbiomass
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