1. Department of Life Science, Shaanxi Normal University, Xi’an 710119, China. 862248582@qq.com, wangluhui@snnu.edu.cn, wu_tao@snnu.edu.cn
2. Department of Life Science & National Engineering Laboratory for Resource Developing of Endangered Chinese Crude Drugs in Northwest of China, Shaanxi Normal University, Xi’an 710119, China. dongyf@snnu.edu.cn