Anti-coagulant effect of Chaal-e-Arjun [Terminalia arjuna] [In vitro study]

The bark of T. arjuna is in clinical use for the management of cardiovascular disorders in India. The objective of the study was to investigate its effect on the blood coagulation in vitro. The powder of the crude drug and aqueous extract in different concentrations inhibited the clotting of human blood in vitro. The probable mechanism is the chelation of Ca ion