The Kobe University bioengineer Koh Sangho explains, "Wood is composed of different, chemically linked materials such as ...

Dr. Schliessmann explains, "When the wood is fractionated, the wood fibers are freed from lignin, which, in addition to cellulose and hemicellulose, makes up 20 to 30% of the wood cell wall substance.

Lignin is synthesized by polymerization of these components and their ratio within the polymer varies between different plants, wood tissues and cell wall layers. Cellulose, hemicellulose and ...