1. Department of Histology and Embryology, School of Basic Medical Sciences, Southwest Medical University (SWMU), Luzhou 646000, Sichuan, China
2. Sino-Portugal TCM International Cooperation Center, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China
3. School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, Sichuan, China
4. Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China