作者单位:Division of Nutritional Sciences, University of Illinois, Urbana, IL 61801, United States[1]Department of Animal Science, University of Illinois, Urbana, IL 61801, United States, Department[2]Department of Molecular Biology, University of Illinois, Urbana, IL 61801, United States[3]Department of Chemistry, University of Illinois, Urbana, IL 61801, United States[4]