Rui Hai Liu With Apple (IMAGE) Cornell University Caption Rui Hai Liu, Cornell associate professor of food science, analyzed the peel from 230 pounds of red delicious apples. Credit Robert Barker/Cornell University Photography Usage Restrictions Contact University Photography at <A HREF="mailto:firstname.lastname@example.org">email@example.com</a> for permission to reprint. 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.