photo of samples (IMAGE) Rice University Caption Natural wood (left) versus delignified wood. Removing lignin from wood makes it colorless. Credit Photo by Gustavo Raskosky/Rice University. Usage Restrictions Must credit Gustavo Raskosky/Rice University. License Original 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.