Cherry Juice (IMAGE) Technical University of Munich (TUM) Caption Starting point for the investigations was a pure cherry juice made from sour cherries in the laboratory. Credit Gisela Olias / Leibniz-LSB Usage Restrictions None 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.