alexa Contribution to Chemical Study of Stem and Branches of
ISSN: 2329-6836

Natural Products Chemistry & Research
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Research Article

Contribution to Chemical Study of Stem and Branches of Trema orientalis L. (Blum) and Leucaena leucocephala (Lam.) De Wit

Patrick Mutonkole Senga1*, Maria Prado2, Damase Khasa2 and Tatjana Janesic Stevanovic2

1Faculty of Sciences, Department of Environmental Sciences, University of Kinshasa, Kinshasa XI, Democratic Republic of Congo

2Faculty of Forestry, Geography and Geomatic, Department of Wood and Forest Sciences, Laval University, QC G1V 0A6, Canada

*Corresponding Author:
Patrick Senga Mutonkole Senga
Faculty of Sciences, Department of Environmental Sciences
University of Kinshasa, Box 190 Kinshasa XI
Democratic Republic of Congo
Tel: 243817558435
E-mail: [email protected]

Received date: July 07, 2016; Accepted date: July 21, 2016; Published date: July 28, 2016

Citation: Senga PM, Prado M, Khasa D, Stevanovic TJ (2016) Contribution to Chemical Study of Stem and Branches of Trema orientalis L. (Blum) and Leucaena leucocephala (Lam.) De Wit. Nat Prod Chem Res 4:238. doi: 10.4172/2329-6836.1000238

Copyright: © 2016 Senga PM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The use of timber in techniques of soil aggradation helps to preserve the environment by recycling sub products and residues from forestry. However, the nature of timber conditions the degradation process. The present study aimed at characterizing and comparing the chemical characteristics of wood branches, and stems of Trema orientalis and Leucaena leucocephala. By modified lignin Klason, high amounts of lignin were found in the branches than in the trunk of Trema, contradicting the results observed for Leucaena. Cellulose concentration, obtained from Kurschner and Hoffner was higher in the branches and lower in the trunk of Leucaena than in Trema. Moreover, ash contents were higher in the branches than in the trunk. C:N and lignin: N ratios, with N values significantly higher in the branches, were higher in wood trunk than in branches. Moreover, all Trema ratios were higher than those found in Leucaena. However, branches lignin/N ratio, naturally weaker, would predict a more rapid decomposition of their lignocellulose material once on the ground. Overall, pyrolysis GC-MS of branches and stems identified compounds derived mainly from lignin, followed by polysaccharides.


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