福建省自然科学基金项目2011J01194;福建省中医药科研项目计划项目wzpw201309;福建中医药大学校管课题No.X2012030Supported by the Natural Science Foundation of Fujian Province2011J01194;Fujian Province TCM Research Projectwzpw201309;Fujian University of Traditional Chinese Medicine ProjectX2012030