Her research is focused on the chemistry and functionality of flavonoids, with emphasis on anthocyanins. Her research has generated over 100 peer-reviewed publications, 3 books and 6 patents. She has received many awards for research and teaching including the 2011 TechColumbus Outstanding Woman in Technology, the 2013 OSU Early Career Innovator of the Year and received the 2017 Educator Award from the North American Colleges and Teachers in Agriculture. Dr. Giusti is a member of the American Chemical Society, the Institute of Food Technologists (IFT) and the AOAC.