1. Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi Province Key Laboratory of New Drugs and Chinese Medicine Foundation Research, Shaanxi University of Chinese Medicine, Xianyang, P.R. China;
2. Bao Ji University of Arts and Sciences, Baoji, P.R. China;
3. Chinese Academy of Tropical Agricultural Science, Tropical Crops Genetic Resources Institute, Danzhou, P.R. China