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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image
Fig. 11 | Journal of Wood Science

Fig. 11

From: The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

Fig. 11

Schematic representation of the main components of wood: a cellulose, b xylan (main component of hemicelluloses), c lignin. Hemicelluloses acetyl groups (–OOC–CH3) are not shown in b since the O-acetyl substitution can occur at any of the hydroxyl position in xylan. c Corresponds to a syringyl dimer. Replacement of the methoxyl groups –OCH3 given in parenthesis by a hydrogen atom leads to the guaiacyl structure

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