Medical Pharmacology Chapter 23: Ergot Alkaloids
Ergot alkaloids are produced by Claviceps purpurea, a grain (rye, especially) fungus.
This fungus synthesizes many biologically active agents including:
Many unique ergot alkaloids -- which affect:
Ergot poisoning (ergotism, St. Anthony's fire)-- symptoms:
Persistent vasospasm (gangrene may develop).
Uterine muscle stimulation (may cause abortion in pregnancy).
Ergot poisoning specific manifestations depend on the alkaloids mixture.