Ammonium and Broccoli (IMAGE) University of the Basque Country Caption Ammonium nutrition could increase the concentration of anti-oxidants and anticarcinogens in broccoli. Credit Nate Steiner 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.