Soft and stiff foam (IMAGE) University of Copenhagen - Faculty of Science Caption Soft and stiff foam based on hydrophilic and hydrophobic bacteria. Credit From the article "Lactic acid bacteria as structural building blocks in non-fat whipping cream analogues" in Food Hydrocolloids Usage Restrictions The image may be used with appropriate caption and credit. 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.