Collecting Sap Samples from the Cider Gum (IMAGE) University of Adelaide Caption Cider gums produce a sweet sap that was collected by Aboriginal people to produce a mildly alcoholic beverage Credit University of Adelaide AWRI Usage Restrictions for use with this story 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.