Lead author (IMAGE) University of Massachusetts Amherst Caption Nomzamo Dlamini, a food science Ph.D. candidate, was a recent visiting Fulbright scholar from the University of Pretoria in South Africa studying at UMass Amherst. Credit UMass Amherst Usage Restrictions None License Original 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.