About 150 alkaloids have now been isolated from C.roseus,some for example,ajmalicine lochnerine,serpentine and tetrahydroalstonine occur in other genera of the family.A gouup of about 20 bisindole alkaloids which contains those having antineoplastic activity,including leurocristine(Vineristine) and vincaleukoblastine (Vinblastine). ... Read More
