Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit
Secondary growth is the most dynamic developmental aspect during the terrestrialization of plants. The development of secondary xylem tissue composed of thick-walled cells with characteristic changes in its structure and chemistry facilitates the growth and development of woody plants. In the presen...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-11-01
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| Series: | Plants |
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| Online Access: | https://www.mdpi.com/2223-7747/12/23/3977 |
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| author | Pramod Sivan Karumanchi S. Rao Kishore S. Rajput |
| author_facet | Pramod Sivan Karumanchi S. Rao Kishore S. Rajput |
| author_sort | Pramod Sivan |
| collection | DOAJ |
| description | Secondary growth is the most dynamic developmental aspect during the terrestrialization of plants. The development of secondary xylem tissue composed of thick-walled cells with characteristic changes in its structure and chemistry facilitates the growth and development of woody plants. In the present study, the chemical composition of the secondary xylem of juvenile and mature wood from the branch and main trunk of <i>Leucaena leucocephala</i>, has been investigated and the differences established. The biochemical analysis of different cell wall components in the mature wood of the main trunk revealed high holocellulose and α-cellulose and less lignin content in the juvenile wood while its syringyl/guaiacyl (S/G) ratio was less than for the mature wood. As compared to the branch xylem, concentration of cell wall polysaccharides and lignin content was higher in both juvenile and mature wood collected from the main trunk. Thioacidolysis and GC-MS analysis of wood lignin from juvenile and mature wood showed that an increased concentration in lignin content in mature wood is associated with a corresponding increase in S/G ratio. The structural information of the acetylated lignin was investigated by <sup>1</sup>H NMR spectroscopy. Our results indicate that the mature wood from the main trunk is superior in pulp yielding and lignin degradability as compared to the juvenile wood of the branch and trunk. |
| first_indexed | 2024-03-09T01:44:40Z |
| format | Article |
| id | doaj.art-1aebc275f5f14c04b893176de95bd199 |
| institution | Directory Open Access Journal |
| issn | 2223-7747 |
| language | English |
| last_indexed | 2024-03-09T01:44:40Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Plants |
| spelling | doaj.art-1aebc275f5f14c04b893176de95bd1992023-12-08T15:23:49ZengMDPI AGPlants2223-77472023-11-011223397710.3390/plants12233977Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de WitPramod Sivan0Karumanchi S. Rao1Kishore S. Rajput2Department of Chemistry, Division of Glycoscience, KTH Royal Institute of Technology, Albanova University Center, SE-10691 Stockholm, SwedenDepartment of Biosciences, Sardar Patel University, Vallabh Vidyanagar 388120, Gujarat, IndiaDepartment of Botany, The Maharaja Sayajirao University of Baroda, Vadodara 390002, Gujarat, IndiaSecondary growth is the most dynamic developmental aspect during the terrestrialization of plants. The development of secondary xylem tissue composed of thick-walled cells with characteristic changes in its structure and chemistry facilitates the growth and development of woody plants. In the present study, the chemical composition of the secondary xylem of juvenile and mature wood from the branch and main trunk of <i>Leucaena leucocephala</i>, has been investigated and the differences established. The biochemical analysis of different cell wall components in the mature wood of the main trunk revealed high holocellulose and α-cellulose and less lignin content in the juvenile wood while its syringyl/guaiacyl (S/G) ratio was less than for the mature wood. As compared to the branch xylem, concentration of cell wall polysaccharides and lignin content was higher in both juvenile and mature wood collected from the main trunk. Thioacidolysis and GC-MS analysis of wood lignin from juvenile and mature wood showed that an increased concentration in lignin content in mature wood is associated with a corresponding increase in S/G ratio. The structural information of the acetylated lignin was investigated by <sup>1</sup>H NMR spectroscopy. Our results indicate that the mature wood from the main trunk is superior in pulp yielding and lignin degradability as compared to the juvenile wood of the branch and trunk.https://www.mdpi.com/2223-7747/12/23/3977<i>Leucaena</i>woodchemical compositioncell wall polysaccharideslignin |
| spellingShingle | Pramod Sivan Karumanchi S. Rao Kishore S. Rajput Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit Plants <i>Leucaena</i> wood chemical composition cell wall polysaccharides lignin |
| title | Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit |
| title_full | Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit |
| title_fullStr | Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit |
| title_full_unstemmed | Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit |
| title_short | Chemical Composition in Juvenile and Mature Wood of Branch and Main Trunk of <i>Leucaena leucocephala</i> (Lam.) de Wit |
| title_sort | chemical composition in juvenile and mature wood of branch and main trunk of i leucaena leucocephala i lam de wit |
| topic | <i>Leucaena</i> wood chemical composition cell wall polysaccharides lignin |
| url | https://www.mdpi.com/2223-7747/12/23/3977 |
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