Benchtop extraction of floral volatiles (IMAGE) Purdue University Caption Ji Hee Lee, a graduate student in biochemistry, prepares an experiment to extract floral volatiles from fresh petunia blooms. Credit Purdue Agricultural Communications/Tom Campbell) Usage Restrictions This image may be used by news organizations in reports referencing Purdue University’s research on floral volatiles. 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.