Figure 1. Localization and representative molecular structure of lignin and cellulose in wooden plants that are used in the experiments along with three monolignols that form the heterogeneous lignin structure

From

Demonstrating Sustainable Biomass Utilization and Processing Using Ionic Liquids – An Introduction to Undergraduate Chemistry Laboratories

Daniel Rauber, Michael Conrad, Johannes Huwer, Harald Natter, Rolf Hempelmann

World Journal of Chemical Education. 2017, 5(5), 158-163 doi:10.12691/wjce-5-5-3