Anshun Institute for Food and Drug Control Anshun 561000 China;
Anshun Institute for Food and Drug Control Anshun 561000 China;
Anshun Institute for Food and Drug Control Anshun 561000 China;
Anshun Hospital of Traditional Chinese Medicine Anshun 561000 China;
Anshun Institute for Food and Drug Control Anshun 561000 China;
Chaenomeles cathayensis; HPLC; Oleanolic acid; Ursolic acid;