作者单位:Mycotoxin Research,USD A,ARS,National Center for Agricultural Utilization Research,1815 N.University St.,Peoria,IL 61604,USA[1]Plant Polymer Research,USD A,ARS,National Center for Agricultural Utilization Research,1815 N.University St.,Peoria,IL 61604,USA[2]Department of Chemistry and Biochemistry,Bradley University,Peoria,IL 61625,USA[3]