Yohimbine hydrochloride is an alpha 2-adrenoreceptor antagonist, blocking the pre- and postsynaptic alpha-2 adrenoreceptors and causing an increased release of noradrenaline and dopamine.It is an antagonist to xylazine hydrochloride-ketamine hydrochloride immobilization of white-tailed deer. Yohimbine has been used as a mydriatic and in the treatment of impotence. It is also alleged to be an aphrodisiac.
Protodioscin has been shown to exhibit multiple biological actions, such as anti-hyperlipidemia, anti-cancer, sexual effects and cardiovascular properties. It appears to possess aphrodisiac activity probably due to its androgen increasing property, it will be useful in developing health food supplement(s) and/or drug(s) against hyperlipidemia.
1. 9-Hydroxycanthin-6-one inhibits Wnt signaling through the activation of GSK3β independent of CK1α.
2. 9-Hydroxycanthin-6-one might be the active component that contributed to the aphrodisiac effect of E. longifolia by antagonizing the smooth muscle tone of CC as well as SV probably through interfering with Ca2+ mobilization.