It has been demonstrated that ginsenosides stimulate sexual function in both humans and animals. In order to investigate its pharmacologic effect on repro-ductive endocrine function, panaxadiol, and panaxatriol as well as their corre-sponding components Rb1 and Rg1, were studied for their effect on cultured anterior pituitary cells. The results indicate that all of them can stimulate LH and FSH secretions in the range of 10-1-10-10mg/ml, and that the stimu-latory effect shows a biphasic character. These eff...