e-journal
Biomass Characterization of Buddleja davidii: A Potential Feedstock for Biofuel Production
A compositional analysis was performed on Buddleja davidii to determine its general biomass
characteristics and provide detailed analysis of the chemical structures of its cellulose and lignin
using NMR. B. davidii is a new potential lignocellulosic bioresource for producing bioethanol because
it has several attractive agroenergy features. The biomass composition of B. davidii is 30% lignin,
35% cellulose, and 34% hemicellulose. Solid-state CP/MAS 13C NMR showed that 33% of the cellulose
is para-crystalline and 41% is at inaccessible surfaces. Both quantitative 13C and 31P NMR were
used to examine the structure of lignin. The lignin was determined to be guaiacyl and syringyl with
an h:g:s ratio of 0:81:19.
KEYWORDS: Buddleja davidii; biomass characterization; lignin; cellulose; hemicellulose; NMR; GPC
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