Cellular-level chemical changes in Japanese beech (Fagus crenata Blume) during artificial weathering
Abstract: Since wood chemical components can be depolymerized and modified by weathering, a better understanding of the mechanisms governing these processes in needed to develop effective protection methods for wood surfaces. Unfortunately, very little has been reported about the micro-scale chemical changes in wood, particularly hardwood, during weathering. The purpose of the present work is to determine the degradation behavior of Japanese beech (Fagus crenata Blume) under artificial weathering at the cellular-level. Herein, the structural and micro-distributional changes in wood components during weathering were investigated using micro-Raman spectral and chemical mapping analyses. The Raman spectra showed that weathering facilitated lignin degradation and modification. The degradation behavior of lignin differed depending on the type of wood tissue. The rate of lignin reduction followed a descending order: vessel element > axial parenchyma cell > wood fiber. Raman mapping determined that cellular-level lignin reduction on the surface layers differed for wood species. Although lignin degradation of cedar tracheids proceeded from both the surface and the cell lumen, the lignin in beech fibers degraded according to the depth.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Cellular-level chemical changes in Japanese beech (Fagus crenata Blume) during artificial weathering ; volume:75 ; number:10 ; year:2021 ; pages:900-907 ; extent:08
Holzforschung ; 75, Heft 10 (2021), 900-907 (gesamt 08)
- Urheber
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Kanbayashi, Toru
Matsunaga, Masahiro
Kobayashi, Masahiko
- DOI
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10.1515/hf-2020-0229
- URN
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urn:nbn:de:101:1-2501161606460.519806369311
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:27 MESZ
Datenpartner
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Beteiligte
- Kanbayashi, Toru
- Matsunaga, Masahiro
- Kobayashi, Masahiko
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