Chongqing Collaborative Innovation Center for Functional Food;
Chongqing University of Education;
Chongqing 400067;
PR China;
College of Food Science;
Southwest University;
Chongqing 400715;
PR China;
School of Biological and Chemical Engineering;
Chongqing University of Education;
Chongqing 400067;
PR China;
Kudingcha polyphenols; Oxazolone; Antioxidant; Colitis; mRNA expression;