1. College of Life Science, Anhui Normal University, Wuhu, P R China;
2. Department of Physical Education, Anhui College of Traditional Chinese Medicine, Wuhu, P R China;
3. School of Pharmacy, Wannan Medical College, Wuhu, P R China;
4. Department of Botany and Microbiology, Faculty of Science, Al Azhar University, Assiut, Egypt