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Occurrence of Naturally Acetylated Lignin Units
Abstract
This work examines the occurrence of native acetylated lignin in a large set of vascular plants, including both angiosperms and gymnosperms, by a modification of the so-called Derivatization Followed by Reductive Cleavage (DFRC) method. Acetylated lignin units were found in the milled wood lignins of all angiosperms selected for this study, including mono- and eudicotyledons, but were absent in the gymnosperms analyzed. In some plants (e.g., abaca, sisal, kenaf, or hornbeam), lignin acetylation occurred at a very high extent, exceeding 45% of the uncondensed (alkyl-aryl ether linked) syringyl lignin units. Acetylation was observed exclusively at the gamma-carbon of the lignin side chain and predominantly on syringyl units, although a predominance of acetylated guaiacyl over syringyl units was observed in some plants. In all cases, acetylation appears to occur at the monomer stage, and sinapyl and coniferyl acetates seem to behave as real lignin monomers participating in lignification.
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Citations
Cited by
Lignin biosynthesis and its integration into metabolism
Vanholme, R., De Meester, B., Ralph, J., & Boerjan, W. (2019) · Current Opinion in Biotechnology · doi:10.1016/j.copbio.2019.02.018 · Cited by 837
VANHOLME, R., MORREEL, K., RALPH, J., & BOERJAN, W. (2008) · Current Opinion in Plant Biology · doi:10.1016/j.pbi.2008.03.005 · Cited by 653
Ruiz‐Dueñas, F. J., & Martínez, Á. T. (2009) · Microbial Biotechnology · doi:10.1111/j.1751-7915.2008.00078.x · Cited by 561
Self-citationSustainable energy and fuels from biomass: a review focusing on hydrothermal biomass processing
Alper, K., Tekin, K., Karagöz, S., & Ragauskas, A. J. (2020) · Sustainable Energy & Fuels · doi:10.1039/d0se00784f · Cited by 335
Sheng, Y., Ma, Z., Wang, X., & Han, Y. (2022) · Food Chemistry · doi:10.1016/j.foodchem.2021.131895 · Cited by 73
Metadata
- Authors
- Del Río, J. C., Marques, G., Rencoret, J., Martínez, Á. T., & Gutiérrez, A.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-06-07
- Volume
- 55
- Issue
- 14
- Pages
- 5461-5468
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2018470740
- Cited by
- 201
- References
- 0
- FWCI
- 7.09
- Type
- journal article
- Language
- en
- Open access
- closed
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- Del Río, J. C., Marques, G., Rencoret, J., Martínez, Á. T., & Gutiérrez, A. (2007). Occurrence of Naturally Acetylated Lignin Units. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/jf0705264
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