The genus Digitalis L. containing species, commonly known as the "foxglove", is the main source of cardenolides, which have various pharmacological properties effective against certain pathological conditions including myocardial infarction, arterial hypertension, cardiac dysfunction, angina, and
Cardioactive steroids (CAS) are medically important compounds historically used for conditions like edema and "dropsy." There is literature from the 17th century regarding their therapeutic effects. They are available in several plants including oleander, foxglove, lily of the valley, red squill,