PROTOPANAXADIOL SAPONINS IN THE CAUDEXES AND LEAVES OF PANAX NOTOGINSENG COULD BE THE MAIN CONSTITUENTS THAT CONTRIBUTE TO ITS ANTIDEPRESSANT EFFECTS Journal title: International Journal of Pharmacy and Pharmaceutical Sciences Authors: Hongjuan Zhou, Hualin Zhang, Jihong Cui, Yingxue Liu, Ruijie Wu, Hui Xiang Subject(s):