HETEROGENEOUS DISTRIBUTION OF DIARYLPROPANE STRUCTURES IN SPRUCE LIGNINS

被引：29

作者：

LAPIERRE, C

POLLET, B

MONTIES, B

机构：

[1] Laboratoire de Chimie Biologique, CBAI, INRA

来源：

PHYTOCHEMISTRY | 1991年 / 30卷 / 02期

关键词：

PICEA-ABIES; PINACEAE; SPRUCE LIGNIN; CARBON-CARBON BONDS; DIARYLPROPANE BONDS; THIOACIDOLYSIS; RANEY NICKEL DESULFURATION;

D O I：

10.1016/0031-9422(91)83747-9

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 relative distribution of carbon-carbon and diaryl ether condensed bonds in spruce lignins was investigated by thioacidolysis followed by Raney nickel desulphuration. GC and GC-MS analyses of the main lignin-derived dimeric degradation products revealed that condensed bonds were not homogeneously distributed within lignin fractions isolated after ball milling, solvent extraction and water precipitation. The beta-1 diarylpropane lignin structures, whose relative importance is still an open question, were comparatively more abundant in the water-soluble lignin fragments, associated with hemicellulosic constituents in the fractionation procedure.

引用

页码：659 / 662

页数：4

共 19 条

[1] LIGNIN CHEMISTRY - PAST, PRESENT AND FUTURE [J].