Figure 1 (IMAGE) Kobe University Caption The chemical structures of SGAs found in tomatoes and potatoes. Credit Ryota Akiyama/Masaharu Mizutani Usage Restrictions Please credit. 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.