First Aid for Winemakers (IMAGE) Fraunhofer-Gesellschaft Caption Each vineyard has a characteristic yeast population. A newly developed sensor means it is now possible to establish if the yeasts contained within the wine must are up to the job of producing a top-class wine. Credit Albert Mathier et Fils Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.