Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season
13 páginas.- 6 figuras.- 5 tablas.- 60 referencias.- Supplementary data to this article can be found online at https://doi.org/10.1016/j.ijbiomac.2023.124811
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2023-07-01
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13 páginas.- 6 figuras.- 5 tablas.- 60 referencias.- Supplementary data to this article can be found online at https://doi.org/10.1016/j.ijbiomac.2023.124811 |
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European Commission Rencoret, Jorge Marques, Gisela Rosado, Mario J. Benito Jareño, Javier Barro Losada, Francisco Gutiérrez Suárez, Ana Río Andrade, José Carlos del |
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Rencoret, Jorge Marques, Gisela Rosado, Mario J. Benito Jareño, Javier Barro Losada, Francisco Gutiérrez Suárez, Ana Río Andrade, José Carlos del |
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Rencoret, Jorge Marques, Gisela Rosado, Mario J. Benito Jareño, Javier Barro Losada, Francisco Gutiérrez Suárez, Ana Río Andrade, José Carlos del Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season |
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Rencoret, Jorge |
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Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season |
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Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season |
| title_full |
Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season |
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Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season |
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Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season |
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variations in the composition and structure of the lignins of oat (avena sativa l.) straws according to variety and planting season |
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Elsevier |
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2023-07-01 |
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http://hdl.handle.net/10261/309738 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100000780 |
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dig-irnas-es-10261-3097382023-05-29T06:17:39Z Variations in the composition and structure of the lignins of oat (Avena sativa L.) straws according to variety and planting season Rencoret, Jorge Marques, Gisela Rosado, Mario J. Benito Jareño, Javier Barro Losada, Francisco Gutiérrez Suárez, Ana Río Andrade, José Carlos del European Commission Ministerio de Ciencia e Innovación (España) Junta de Andalucía Consejo Superior de Investigaciones Científicas (España) Ministerio de Ciencia, Innovación y Universidades (España) Rencoret, Jorge [0000-0003-2728-7331] Marques, Gisela [0000-0002-6431-8267] Rosado, Mario J. [0000-0001-6313-1890] Barro Losada, Francisco [0000-0002-7652-229X] Gutiérrez Suárez, Ana [0000-0002-8823-9029] Río Andrade, José Carlos del [0000-0002-3040-6787] 13 páginas.- 6 figuras.- 5 tablas.- 60 referencias.- Supplementary data to this article can be found online at https://doi.org/10.1016/j.ijbiomac.2023.124811 The differences in the composition and structure of the lignins from straws of different oat (Avena sativa L.) varieties, planted in two seasons (winter and spring), were studied in detail by different analytical techniques such as pyrolysis coupled to gas chromatography–mass spectrometry (Py-GC/MS), two-dimensional nuclear magnetic resonance (2D-NMR), derivatization followed by reductive cleavage (DFRC), and gel permeation chromatography (GPC). Overall, the analyses revealed that oat straw lignins were enriched in guaiacyl (G; 50–56 %) and syringyl (S; 39–44 %) units, with relatively lower amounts of p-hydroxyphenyl (H; 4–6 %) units. The lignins also incorporated significant quantities of p-coumarates (8–14 % of total lignin units), which are acylating the γ-OH of the lignin side chains, and predominantly over the S units. Furthermore, oat straw lignins also incorporated considerable amounts of the flavone tricin (5–12 % of total lignin units). Interestingly, this study revealed that the lignin content and composition of the oat straws vary with genotype and planting season. Since p-coumarates and tricin are high-value aromatic compounds especially attractive from a biorefinery point of view, the information disclosed here is highly relevant to plant breeding programs aimed at developing functional foods and lignin modifications for improved biorefinery applications This work was supported by MCIN/AEI/10.13039/501100011033 and EU-NextGenerationEU/PRTR, and as appropriate, by “ERDF A way of making Europe” (projects AGL2017-83036-R, PID2020-118968RB-I00 and CPP2021-008449), the Regional Andalusian Government, Consejería de Transformación Económica, Industria, Conocimiento y Universidades/FEDER (project P20-00017), and the CSIC project PIE-202040E185. MJR and JB acknowledge the Spanish Ministry of Science, Innovation, and Universities for their respective FPI fellowships PRE2018-083267 and PRE2021-099559. We acknowledge support of the publication fee by the CSIC Open Access Publication Support Initiative through its Unit of Information Resources for Research (URICI). Peer reviewed 2023-05-26T08:36:54Z 2023-05-26T08:36:54Z 2023-07-01 artículo http://purl.org/coar/resource_type/c_6501 International Journal of Biological Macromolecules 242 Part 2: 124811 (2023) 0141-8130 http://hdl.handle.net/10261/309738 10.1016/j.ijbiomac.2023.124811 1879-0003 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100003339 http://dx.doi.org/10.13039/501100000780 en #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2017-83036-R/ES/LIGNINAS DE RESIDUOS LIGNOCELULOSICOS DE LA ACTIVIDAD AGRICOLA: ESTRUCTURA QUIMICA Y VALORIZACION/ info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-118968RB-I00/ES/LIGNINAS Y LIPIDOS: FUENTES RENOVABLES DE NUEVOS BIOPRODUCTOS/ info:eu-repo/grantAgreement/Junta de Andalucía/Plan Andaluz de Investigación, Desarrollo e Innovación (PAIDI 2020)/Estrategia Española de Ciencia y Tecnología y de Innovación 2013-2020/P20-00017 Publisher's version http://dx.doi.org/10.1016/j.ijbiomac.2023.124811 Sí open Elsevier |