Ratio of erythro and threo forms of β-O-4 structures in tension wood lignin

被引:39
作者
Akiyama, T
Matsumoto, Y
Okuyama, T
Meshitsuka, G
机构
[1] Univ Tokyo, Grad Sch Agr & Life Sci, Dept biomat Sci, Wood Chem Lab,Bunkyo Ku, Tokyo 1138657, Japan
[2] Nagoya Univ, Grad Sch Bioagr Sci, Lab Biomat Phys, Chikusa Ku, Nagoya, Aichi 4648601, Japan
关键词
Liriodendron tulipifera; Magnoliaceae; ozonation; erythro and threo; arylglycerol-beta-aryl ether; quinone methide; syringyl and guaiacyl; tension wood; angiosperms; hardwood; lignin;
D O I
10.1016/S0031-9422(03)00509-0
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The ratio of erythro and threo forms of beta-O-4 structures in tension wood lignin was investigated by ozonation analysis of wood meal taken from various positions in the stem of yellow poplar (Liriodendron tulipirera). The proportion of the erythro form was higher in tension wood than in opposite wood, and the methoxyl group content showed a similar trend. The proportion of the erythro form and the methoxyl group content in the 7 positions in the stem lignin was correlated (correlation coefficient R=0.98), suggesting that the type of aromatic ring, syringyl or guaiacyl, is one of the factors which stereochemically controls the ratio of erythro and threo forms of beta-O-4 structures during lignin formation. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1157 / 1162
页数:6
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