A New Variety of Pea, CDC Saffron (IMAGE) American Society of Agronomy Caption A new study examined the mineral micronutrient content of four types of grain legumes. Grain legumes are often overlooked as valuable sources of micronutrients, such as zinc and potassium. Credit Tom Warkentin, University of Saskatchewan Usage Restrictions None 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.