Unwrapping the Brewing Secrets of Barley (IMAGE) University of Adelaide Caption A cross sections of mature barley grain. The aleurone cells are the cube-shapes cells and are located between the outer husk (red) and inner starchy endosperm. Credit University of Adelaide Usage Restrictions For use only 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.