DaassiKasanganaKhasaEtAl2020

Référence

Daassi, R., Kasangana, P.B., Khasa, D.P., Stevanovic, T. (2020) Chemical characterization of tropical ramial and trunk woods and their lignins in view of applications in soil amendments. Industrial Crops and Products, 156:112880. (URL )

Résumé

We have determined the chemical properties of Gmelina arborea and Sarcocephalus latifolius trunk wood (TW) and ramial chipped wood (RCW), in order to examine the applicability of RCWs in soil amendments. The results of the study of S. latifolius represent the first report on this species. Characterizations of TW and RCW samples included determination of extractives, Klason and acid soluble lignin, major monosaccharides, ash, and mineral constituents. Higher contents of total lignins and monosaccharides were found in RCW than in TW for S. latifolius, while opposite results were obtained for G. arborea. The organosolv lignins isolated from the studied samples were analyzed by HPLC, FTIR, GPC, 31P NMR and HSQC methods. The studied lignins belong to guaiacyl-syringyl (G–S) type, with a predominance of G units in S. latifolius and S units in G. arborea lignins. Based on obtained results, RCW samples from S. latifolius could be anticipated performing well in soil amendment trials, as indicated by their lower C/N ratios and higher mineral and lignin contents.

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@ARTICLE { DaassiKasanganaKhasaEtAl2020,
    AUTHOR = { Daassi, R. and Kasangana, P.B. and Khasa, D.P. and Stevanovic, T. },
    TITLE = { Chemical characterization of tropical ramial and trunk woods and their lignins in view of applications in soil amendments },
    JOURNAL = { Industrial Crops and Products },
    YEAR = { 2020 },
    VOLUME = { 156 },
    PAGES = { 112880 },
    ISSN = { 0926-6690 },
    ABSTRACT = { We have determined the chemical properties of Gmelina arborea and Sarcocephalus latifolius trunk wood (TW) and ramial chipped wood (RCW), in order to examine the applicability of RCWs in soil amendments. The results of the study of S. latifolius represent the first report on this species. Characterizations of TW and RCW samples included determination of extractives, Klason and acid soluble lignin, major monosaccharides, ash, and mineral constituents. Higher contents of total lignins and monosaccharides were found in RCW than in TW for S. latifolius, while opposite results were obtained for G. arborea. The organosolv lignins isolated from the studied samples were analyzed by HPLC, FTIR, GPC, 31P NMR and HSQC methods. The studied lignins belong to guaiacyl-syringyl (G–S) type, with a predominance of G units in S. latifolius and S units in G. arborea lignins. Based on obtained results, RCW samples from S. latifolius could be anticipated performing well in soil amendment trials, as indicated by their lower C/N ratios and higher mineral and lignin contents. },
    DOI = { https://doi.org/10.1016/j.indcrop.2020.112880 },
    KEYWORDS = { Ramial chipped wood, Chemical composition, Lignins, S/G ratio, Soil },
    URL = { http://www.sciencedirect.com/science/article/pii/S0926669020307974 },
}

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