1. Natural Medicine Research Center, College of Veterinary Medicine Sichuan Agricultural University Chengdu PR China
2. Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine Sichuan Agricultural University Chengdu PR China
3. Department of Pharmacy, Section for Pharmaceutical Chemistry, Area of Pharmacognosy University of Oslo Oslo Norway
4. Animal Nutrition Institute, Sichuan Agricultural University Chengdu PR China
5. Key Laboratory of Crop Ecophysiology and Farming System in Southwest China, Ministry of Agriculture, College of Agronomy Sichuan Agricultural University Chengdu PR China