Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 17, Issue 34, Pages 9529-9535Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201003045
Keywords
biopolymers; lignin; lignin structure; NMR spectroscopy; structure elucidation
Categories
Funding
- European Union [026145]
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Quick quantitative HSQC (QQ-HSQC) was applied to quantitative evaluation of different inter-unit linkages in an array of milled softwood and hardwood and technical lignins by using the guaiacyl C2 and syringyl C2-C6 signals as internal standards. The results were found to be highly reproducible and comparable with earlier literature reports. The advantage of QQ-HSQC NMR analysis of lignin is contemporary detection and quantification of lignin inter-unit linkages with a direct, non-destructive method requiring short acquisition times.
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