Isolation and characterization of hot water-soluble lipophilic extractives from wheat straw. Part II. Spectroscopic and thermal characterization

被引：0
|
作者：
Sun, RC [2 ]
Salisbury, D
Tomkinson, J
机构：
[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China
[2] Univ Wales, BioComposites Ctr, Bangor LL57 2UW, Gwynedd, Wales
来源：
WOOD AND FIBER SCIENCE | 2003年 / 35卷 / 03期
关键词：
wheat straw; lipophilic extractives; FT-IR; H-1 and C-13-NMR; thermal stability;
D O I：
暂无
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The chemical composition of the six extractives, isolated with hot water at 80-95degreesC for 0.5 h at pH 6.0-8.0 from wheat straw, consists mainly of free fatty acids, waxes, sterols, triglycerides, and sterol esters, together with minor amounts of diglycerides, resin acid, and phenolic compounds. In this continuing study, the six lipophilic extractives were further investigated by Fourier transform infrared, and H-1 and C-13 nuclear magnetic resonance as well as thermal analysis, and the results are reported.
引用
收藏
页码：469 / 477
页数：9
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