The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.)
Valeriana carnosa and V. clarionifolia stand out as principal elements in the indigenous pharmacopeias of Patagonia; however, their phytochemical characterization is unknown. This study constitutes the starting point of a general project that aims to characterize secondary metabolites in these speci...
| Autores principales: | , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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AIMS Press
2020
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/8469 http://www.aimspress.com/article/doi/10.3934/agrfood.2021007 https://doi.org/10.3934/agrfood.2021007 |
| _version_ | 1855484205655392256 |
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| author | Nagahama, Nicolas Gastaldi, Bruno Clifford, Michael Manifesto, Maria Marcela Fortunato, Renee Hersilia |
| author_browse | Clifford, Michael Fortunato, Renee Hersilia Gastaldi, Bruno Manifesto, Maria Marcela Nagahama, Nicolas |
| author_facet | Nagahama, Nicolas Gastaldi, Bruno Clifford, Michael Manifesto, Maria Marcela Fortunato, Renee Hersilia |
| author_sort | Nagahama, Nicolas |
| collection | INTA Digital |
| description | Valeriana carnosa and V. clarionifolia stand out as principal elements in the indigenous pharmacopeias of Patagonia; however, their phytochemical characterization is unknown. This study constitutes the starting point of a general project that aims to characterize secondary metabolites in these species. The variability of phenolic compounds in root ethanolic extracts was analyzed and compared for thirteen populations of V. carnosa and two of V. clarionifolia from the south of Argentinean Patagonia. Phenolic content was quantified by the Folin-Ciocalteu method and the putative phenolic compound profiles were investigated using HPLC-UV-MS. Antioxidant activity was evaluated through 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assays. Total phenolic content values ranged from 5.6 to 16.6 mg GAE/g in V. carnosa and 7.3 to 9.7 mg GAE/g in V. clarionifolia. Antioxidant evaluation results evidenced that the percentage of neutralized DPPH varied between 26% and 85% in V. carnosa and 39% and 58% in V. clarionifolia. A positive correlation between total phenolic content and antioxidant activity (r = 0.90) was observed. In V. carnosa total phenolic content was not correlated with altitude or latitude (p > 0.05), and chemical variability seems to be associated with genetic variability and/or different growing habitats (microclimatic conditions). However, the presence of some specific phenolic compounds was associated with latitude. In V. carnosa and V. clarionifolia 15 and 10 phenolic compounds were tentatively identified, respectively, and several of these are reported to have beneficial attributes from a phytomedical viewpoint. This study contributes to the phytochemical characterization project of these two medicinal valerians from Patagonia. |
| format | Artículo |
| id | INTA8469 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | AIMS Press |
| publisherStr | AIMS Press |
| record_format | dspace |
| spelling | INTA84692020-12-21T16:50:38Z The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) Nagahama, Nicolas Gastaldi, Bruno Clifford, Michael Manifesto, Maria Marcela Fortunato, Renee Hersilia Antioxidantes Extractos Vegetales Variación Genética Fenol Plantas Medicinales Valeriana Antioxidants Plant Extracts Genetic Variation Phenols Medicinal Plants Valeriana carnosa Sm Valeriana clarionifolia Phil. Valeriana carnosa and V. clarionifolia stand out as principal elements in the indigenous pharmacopeias of Patagonia; however, their phytochemical characterization is unknown. This study constitutes the starting point of a general project that aims to characterize secondary metabolites in these species. The variability of phenolic compounds in root ethanolic extracts was analyzed and compared for thirteen populations of V. carnosa and two of V. clarionifolia from the south of Argentinean Patagonia. Phenolic content was quantified by the Folin-Ciocalteu method and the putative phenolic compound profiles were investigated using HPLC-UV-MS. Antioxidant activity was evaluated through 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assays. Total phenolic content values ranged from 5.6 to 16.6 mg GAE/g in V. carnosa and 7.3 to 9.7 mg GAE/g in V. clarionifolia. Antioxidant evaluation results evidenced that the percentage of neutralized DPPH varied between 26% and 85% in V. carnosa and 39% and 58% in V. clarionifolia. A positive correlation between total phenolic content and antioxidant activity (r = 0.90) was observed. In V. carnosa total phenolic content was not correlated with altitude or latitude (p > 0.05), and chemical variability seems to be associated with genetic variability and/or different growing habitats (microclimatic conditions). However, the presence of some specific phenolic compounds was associated with latitude. In V. carnosa and V. clarionifolia 15 and 10 phenolic compounds were tentatively identified, respectively, and several of these are reported to have beneficial attributes from a phytomedical viewpoint. This study contributes to the phytochemical characterization project of these two medicinal valerians from Patagonia. EEA Esquel Fil: Nagahama, Nicolas. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agroforestal Esquel; Argentina Fil: Gastaldi, Bruno. Consejo Nacional de Investigaciones Científicas y Tecnológicas; Argentina. Fil: Gastaldi, Bruno. Universidad Nacional de la Patagonia San Juan Bosco. Facultad de Ciencias Naturales y Ciencias de la Salud. Laboratorio de Investigación de Plantas Aromáticas y Medicinales Nativas; Argentina. Fil: Clifford, Michael. University of Surrey. School of Bioscience and Medicine; Reino Unidos. Monash University. Department of Nutrition, Dietetics and Food; Australia. Fil: Manifesto, María Marcela. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Recursos Biológicos; Argentina. Fil: Fortunato, Renee Hersilia. Consejo Nacional de Investigaciones Científicas y Tecnológicas; Argentina. Fil: Fortunato, Renee Hersilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Recursos Biológicos; Argentina. 2020-12-21T16:30:46Z 2020-12-21T16:30:46Z 2020-12-15 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/8469 http://www.aimspress.com/article/doi/10.3934/agrfood.2021007 2471-2086 https://doi.org/10.3934/agrfood.2021007 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf AIMS Press AIMS Agriculture and Food 6 (1) : 106-124. (2021) |
| spellingShingle | Antioxidantes Extractos Vegetales Variación Genética Fenol Plantas Medicinales Valeriana Antioxidants Plant Extracts Genetic Variation Phenols Medicinal Plants Valeriana carnosa Sm Valeriana clarionifolia Phil. Nagahama, Nicolas Gastaldi, Bruno Clifford, Michael Manifesto, Maria Marcela Fortunato, Renee Hersilia The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) |
| title | The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) |
| title_full | The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) |
| title_fullStr | The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) |
| title_full_unstemmed | The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) |
| title_short | The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.) |
| title_sort | influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal patagonian valerians valeriana carnosa sm and v clarionifolia phil |
| topic | Antioxidantes Extractos Vegetales Variación Genética Fenol Plantas Medicinales Valeriana Antioxidants Plant Extracts Genetic Variation Phenols Medicinal Plants Valeriana carnosa Sm Valeriana clarionifolia Phil. |
| url | http://hdl.handle.net/20.500.12123/8469 http://www.aimspress.com/article/doi/10.3934/agrfood.2021007 https://doi.org/10.3934/agrfood.2021007 |
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