Relationship of lignin content, lignin monomeric composition and hemicellulose composition in the same trunk sought by their within-tree variations in Eucalyptus camaldulensis and E. globulus

Toshihiro Ona, Tetsuya Sonoda, Kazuya Itoh, Masaru Shibata

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The relationship of extractives-free (EF) lignin content, lignin monomeric composition as syringyl/guaiacyl (S/G) ratio by thioacidolysis, and neutral sugars constituting hemicellulose by hydrolysis with trifluoroacetic acid was examined. This was performed in the same trunk by their within-tree variations, which mean the investigation with the same genes, in Eucalyptus camaldulensis and E. globulus. As results, each species had a high negative correlation between EF-lignin content and lignin S/G ratio although the difference between species and/or individuals was observed in the trend of within-tree variations of the wood properties. The relationship between EF-lignin content and lignin S/G ratio is considered to be caused from the difference in the fiber morphology from the relationship between lignin and EF-basic density which may relate to the fiber morphology. Furthermore, the relationship between the lignin monomeric composition derived from b-O-4 bonds and the hemicellulose composition is concluded to exist since common trend was observed between two species as higher lignin S/G ratio with the increase in xylan and or with decrease in arabinogalactan (galactan). We also discuss and suggest that the hemicellulose composition can influence on the lignin monomeric composition.

Original languageEnglish
Pages (from-to)396-404
Number of pages9
JournalHolzforschung
Volume51
Issue number5
DOIs
Publication statusPublished - Jan 1 1997
Externally publishedYes

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Lignin
Chemical analysis
Galactans
hemicellulose
Trifluoroacetic acid
Xylans
Trifluoroacetic Acid
Fibers
Sugars
Hydrolysis
Wood
Genes

All Science Journal Classification (ASJC) codes

  • Biomaterials

Cite this

Relationship of lignin content, lignin monomeric composition and hemicellulose composition in the same trunk sought by their within-tree variations in Eucalyptus camaldulensis and E. globulus. / Ona, Toshihiro; Sonoda, Tetsuya; Itoh, Kazuya; Shibata, Masaru.

In: Holzforschung, Vol. 51, No. 5, 01.01.1997, p. 396-404.

Research output: Contribution to journalArticle

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