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Chemical Linkage of Pine Polysaccharides to Lignin

 

作者: J.L. Minor,  

 

期刊: Journal of Wood Chemistry and Technology  (Taylor Available online 1982)
卷期: Volume 2, issue 1  

页码: 1-16

 

ISSN:0277-3813

 

年代: 1982

 

DOI:10.1080/02773818208085116

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Methylation analysis was used to investigate the bonds to lignin of the carbohydrates remaining after enzymatic hydrolysis and alkaline reduction of ball-milled loblolly pine wood and red pine compression wood. The carbohydrates exist as oligomeric chains with degrees of polymerization of 7–14. Approximately one sugar unit per oligomer chain is bonded to lignin. Bonding at C-6 of the hexose units is favored, and the arabinose is bonded exclusively at C-5. Galactan and arabinan are structurally of the 1–4 and 1–5 linked types respectively, characteristic of the so-called “pectic group substances.”

 

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