Image 1 (IMAGE) Nanyang Technological University Caption Prof William Chen presenting jackfruit seeds that have just been freeze-dried, a step that is part of the NTU-developed method to use them to produce lactic acid. Credit NTU Singapore Usage Restrictions No restrictions. License Public Domain 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.