Comparative characterization of ethanol organosolv lignin polymer from bamboo green, timber and yellow

Comparative characterization of ethanol organosolv lignin polymer from bamboo green, timber and... Wood Sci Technol https://doi.org/10.1007/s00226-018-1019-9 ORIGINAL Comparative characterization of ethanol organosolv lignin polymer from bamboo green, timber and yellow 1 1 2 2 2 Wenbo Zhang  · Genlin Tian  · Andrea Polle  · Dennis Janz  · Dejuan Euring  · 3 1 1 1 Xianghua Yue  · Hansheng Zhao  · Benhua Fei  · Zehui Jiang Received: 4 September 2017 © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract In order to make better use of bamboo resources in industrial processes, it is necessary to understand its recalcitrant morphological stem structure and unique chemical composition. In the present work, microspectroscopic imaging approaches were used to reveal the heterogeneous distribution of lignin at cellular and subcel- lular level. Results showed the higher lignin concentration in the narrow layer of fiber and parenchyma secondary cell walls. Furthermore, ethanol organosolv lignin, isolated from different zones of the bamboo vascular tissue [outer (green), middle (timber) and inner (yellow)], was subjected to extensive structural characteriza- tion, including chemical component analysis, Fourier-transform infrared spectros- copy (FT-IR), thermogravimetric/differential thermal analysis (TGA/DTA), and nuclear magnetic resonance (NMR). Main chemical differences among the green, timber and yellow zone were sugar content and S/G/H ratios. Since bamboo green had higher density, hardness and lignin content than bamboo timber and bamboo yellow, the mass http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wood Science and Technology Springer Journals

Comparative characterization of ethanol organosolv lignin polymer from bamboo green, timber and yellow

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Life Sciences; Wood Science & Technology; Ceramics, Glass, Composites, Natural Materials; Operating Procedures, Materials Treatment
ISSN
0043-7719
eISSN
1432-5225
D.O.I.
10.1007/s00226-018-1019-9
Publisher site
See Article on Publisher Site

Abstract

Wood Sci Technol https://doi.org/10.1007/s00226-018-1019-9 ORIGINAL Comparative characterization of ethanol organosolv lignin polymer from bamboo green, timber and yellow 1 1 2 2 2 Wenbo Zhang  · Genlin Tian  · Andrea Polle  · Dennis Janz  · Dejuan Euring  · 3 1 1 1 Xianghua Yue  · Hansheng Zhao  · Benhua Fei  · Zehui Jiang Received: 4 September 2017 © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract In order to make better use of bamboo resources in industrial processes, it is necessary to understand its recalcitrant morphological stem structure and unique chemical composition. In the present work, microspectroscopic imaging approaches were used to reveal the heterogeneous distribution of lignin at cellular and subcel- lular level. Results showed the higher lignin concentration in the narrow layer of fiber and parenchyma secondary cell walls. Furthermore, ethanol organosolv lignin, isolated from different zones of the bamboo vascular tissue [outer (green), middle (timber) and inner (yellow)], was subjected to extensive structural characteriza- tion, including chemical component analysis, Fourier-transform infrared spectros- copy (FT-IR), thermogravimetric/differential thermal analysis (TGA/DTA), and nuclear magnetic resonance (NMR). Main chemical differences among the green, timber and yellow zone were sugar content and S/G/H ratios. Since bamboo green had higher density, hardness and lignin content than bamboo timber and bamboo yellow, the mass

Journal

Wood Science and TechnologySpringer Journals

Published: Jun 6, 2018

References

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