C-13 NMR-STUDY ON LIGNIN FROM BAGASSE

被引：12

作者：

FERNANDEZ, N ^{[1
]}

MORCK, R ^{[1
]}

JOHNSRUD, SC ^{[1
]}

KRINGSTAD, KP ^{[1
]}

机构：

[1] SKOGSIND TEKNISKA FORSKNININST,S-11486 STOCKHOLM,SWEDEN

来源：

HOLZFORSCHUNG | 1990年 / 44卷 / 01期

关键词：

13C NMR spectroscopy; Lignins; p-Coumaric acid; Saccharum officinarum; Sugar-cane bagasse;

D O I：

10.1515/hfsg.1990.44.1.35

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Structural features of milled bagasse lignin (MBL) and alkali-hydrolyzed MBL were studied by use of 13C NMR spectroscopy. p-Coumaric acid (CA), linked to the lignin core via ester bonds, was found to be of trans-configuration. MBL was found to also contain other p-hydroxyphenyl units than those in ester-linked CA. Signals indicating the presence of significant amounts of α-ether structures in MBL were observed in the aliphatic region of the spectra. © 1990, Walter de Gruyter. All rights reserved.

引用

页码：35 / 38

页数：4

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