LIGNINS RELEASED FROM PICEA-ABIES SUSPENSION-CULTURES - TRUE NATIVE SPRUCE LIGNINS

被引：29

作者：

BRUNOW, G ^{[1
]}

EDE, RM ^{[1
]}

SIMOLA, LK ^{[1
]}

LEMMETYINEN, J ^{[1
]}

机构：

[1] UNIV HELSINKI,DEPT BOT,SF-00170 HELSINKI 17,FINLAND

来源：

PHYTOCHEMISTRY | 1990年 / 29卷 / 08期

关键词：

cell cultures; lignins; molecular weight distribution; NMR spectra; Picea abies; Pinaceae; spruce;

D O I：

10.1016/0031-9422(90)85183-G

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：

Suspension-cultured cells of Picea abies release lignin in the nutrient medium. Chemical analyses, 1H and 13C NMR spectroscopy of this material show that they represent carbohydrate-free guaiacyl type lignins with a high proportion of cinnamyl alcohol side chains a somewhat lower methoxyl content than milled wood lignin from spruce. The molecular weight distribution determined by HPSEC gave a weight average Mr of 14 200 and a number average weight close to 4000. These are the first conifer lignin samples to be characterized without chemical or mechanical degradation. © 1990.

引用

页码：2535 / 2538

页数：4

共 17 条

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