Biomass Producing Fractions (IMAGE) University of Wisconsin-Madison Caption The flow-through reaction setup progressively dissolves biomass producing fractions that are rich in (from left to right) lignin monomers, hemicellulose and cellulose-derived sugars. Credit Matthew Wisniewski/Wisconsin Energy Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.