Evaluation of nonpolar metabolites in plant extracts by 13C NMR spectroscopy |
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Authors: | Palomino-Schätzlein Martina Escrig Pablo V Boira Herminio Primo Jaime Pineda-Lucena Antonio Cabedo Nuria |
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Institution: | Servicio de Resonancia Magnética Nuclear, Centro de Investigación Príncipe Felipe, Avenida Autopista del Saler 16, 46012 Valencia, Spain. |
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Abstract: | (13)C nuclear magnetic resonance (NMR) spectroscopy was explored as a simple and efficient technique for the quantitative analysis of nonpolar metabolites in plants. The method was first optimized with a mixture of known metabolites and then applied to the nonpolar leaf extracts of plants harvested in the Valencian community (eastern Spain) belonging to three different genera: Euphorbia (Euphorbiaceae), Araujia (Apocynaceae), and Morus (Moraceae). Furthermore, an exhaustive analysis of Euphorbia characias leaf and stem extracts from different geographic locations allowed that quantitative (13)C NMR spectroscopy is a suitable tool for metabolic profiling purpose. |
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