Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access
11 páginas.- 6 figuras.- 5 tablas.- 57 referencias
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| Language: | English |
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Elsevier
2021-12-15
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| Subjects: | Ferulates, Inter-unit linkages, Lignin, p-Coumarates, Papyrus, Tricin, |
| Online Access: | http://hdl.handle.net/10261/254444 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100011033 |
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dig-irnas-es-10261-2544442021-11-13T02:26:14Z Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access Rosado, Mario J. Bausch, Florian Rencoret, Jorge Marques, Gisela Gutiérrez Suárez, Ana Rosenau, T. Potthast, Antje Río Andrade, José Carlos del Agencia Estatal de Investigación (España) European Commission Junta de Andalucía Ministerio de Ciencia, Innovación y Universidades (España) Austrian Biorefinery Center Tulln Rosado, Mario J. [0000-0001-6313-1890] Bausch, Florian [0000-0002-7076-2356] Rencoret, Jorge [0000-0003-2728-7331] Marques, Gisela [0000-0002-6431-8267] Gutiérrez Suárez, Ana [0000-0002-8823-9029] Rosenau, T. [0000-0002-6636-9260] Potthast, Antje [0000-0003-1981-2271] Río Andrade, José Carlos del [0000-0002-3040-6787] Ferulates Inter-unit linkages Lignin p-Coumarates Papyrus Tricin 11 páginas.- 6 figuras.- 5 tablas.- 57 referencias Papyrus (Cyperus papyrus L.) is a plant with high productivity rate that is considered an interesting raw material for obtaining biofuels and biomaterials. In the present work, the composition and structural features of the lignins present in the rind and pith of papyrus culms have been studied. The analyses revealed that the lignins from both parts of papyrus culms differed greatly not only in their contents but also in composition and structure. In the rind, the lignin represented up to 27.0% (dry-matter) and was composed mainly of G-units (H:G:S composition of 4:63:33), while the lignin in the pith (15.7% dry-matter) presented a slightly higher amount of S-units (H:G:S composition of 8:43:49). These lignins also presented considerable amounts of cinnamates (p-coumarates and ferulates) incorporated. The differences in composition influenced the content of the lignin inter-unit linkages. Thus, the rind lignin presented lower amounts of β–O–4′ ether linkages (77% of all identified linkages) and higher content of condensed structures, such as phenylcoumarans (15%), resinols (2%), dibenzodioxocins (3%), and spirodienones (2%), while the pith lignin contained more β–O–4′ ethers (85% of all identified linkages) and lower amounts of phenylcoumarans (11%), tetrahydrofurans (2%), and spirodienones (2%). Moreover, 2D NMR analyses revealed that the lignins from papyrus were highly acylated at the γ-OH (40% acylation in the rind, and 60% acylation in the pith). DFRC analyses proved that p-coumarates were the main acylating groups, and that they were predominantly acylating the S-lignin units. Finally, the analyses also showed the presence of important amounts of the flavanone tricin in the rind lignin and, at lower amounts, in the pith lignin. © 2021 The Authors This work was partially funded by the Spanish Project AGL2017-83036-R (financed by Agencia Estatal de Investigación, AEI and Fondo Europeo de Desarrollo Regional, FEDER) and by Consejería de Transformación Económica, Industria, Conocimiento y Universidades, Junta de Andalucía, Spain (project P20_00017). MJR thanks the Spanish Ministry of Science, Innovation and Universities for a FPI fellowship (PRE2018-083267). FB, TR, and AP were funded by the Austrian Biorefinery Center Tulln (ABCT). Peer reviewed 2021-11-12T13:27:07Z 2021-11-12T13:27:07Z 2021-12-15 artículo http://purl.org/coar/resource_type/c_6501 Industrial Crops and Products 17415:114226 (2021) 0926-6690 http://hdl.handle.net/10261/254444 10.1016/j.indcrop.2021.114226 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100011033 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/AGL2017-83036-R Publisher's version http://dx.doi.org/10.1016/j.indcrop.2021.114226 Sí open Elsevier |
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Ferulates Inter-unit linkages Lignin p-Coumarates Papyrus Tricin Ferulates Inter-unit linkages Lignin p-Coumarates Papyrus Tricin |
| spellingShingle |
Ferulates Inter-unit linkages Lignin p-Coumarates Papyrus Tricin Ferulates Inter-unit linkages Lignin p-Coumarates Papyrus Tricin Rosado, Mario J. Bausch, Florian Rencoret, Jorge Marques, Gisela Gutiérrez Suárez, Ana Rosenau, T. Potthast, Antje Río Andrade, José Carlos del Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access |
| description |
11 páginas.- 6 figuras.- 5 tablas.- 57 referencias |
| author2 |
Agencia Estatal de Investigación (España) |
| author_facet |
Agencia Estatal de Investigación (España) Rosado, Mario J. Bausch, Florian Rencoret, Jorge Marques, Gisela Gutiérrez Suárez, Ana Rosenau, T. Potthast, Antje Río Andrade, José Carlos del |
| format |
artículo |
| topic_facet |
Ferulates Inter-unit linkages Lignin p-Coumarates Papyrus Tricin |
| author |
Rosado, Mario J. Bausch, Florian Rencoret, Jorge Marques, Gisela Gutiérrez Suárez, Ana Rosenau, T. Potthast, Antje Río Andrade, José Carlos del |
| author_sort |
Rosado, Mario J. |
| title |
Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access |
| title_short |
Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access |
| title_full |
Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access |
| title_fullStr |
Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access |
| title_full_unstemmed |
Differences in the content, composition and structure of the lignins from rind and pith of papyrus (Cyperus papyrus L.) culms Open Access |
| title_sort |
differences in the content, composition and structure of the lignins from rind and pith of papyrus (cyperus papyrus l.) culms open access |
| publisher |
Elsevier |
| publishDate |
2021-12-15 |
| url |
http://hdl.handle.net/10261/254444 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100011033 |
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