Mistletoe Extract (image) University of Adelaide Caption A sample of the mistletoe extract Fraxini, which has shown the most promise in early laboratory tests at the University of Adelaide. Credit The University of Adelaide. Usage Restrictions This photo may only be used in conjunction with stories about the research of mistletoe extract at the University of Adelaide. Written permission is needed for any further use. 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.