Beer (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption Researchers at the University of Seville have developed a technique based on chemical patterns for identifying the country of origin of beer. The content of iron, potassium, phosphates and polyphenols is found to be determining components. German, Spanish and Portuguese beers have been detected with 99 percent accuracy thanks to the model. Credit SINC Usage Restrictions None Share Print E-Mail 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.