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Showing posts from January, 2019

Renin Angiotensin Mechanism.

Pharmacognosy of Cardiotonics

The pharmacological agents which provides strength to the cardiac muscles and improve its force of contraction are called as “ Cardiotonics ” and are employed in the treatment of CCF “ Congestive Cardiac Failure ”. e.g.                      Digitalis                     Stropanthus.                      Arjuna. Digitalis Synonyms : Digitalis Leaves, Foxglove Leaves. Biological Source : Digitalis consists of dried l eaves of the plant known as “ Digitalis purpurea ” belonging to the family “ Scrophulariaceae ”, leaves are dried below 60 0 C and should contain NMT 5% moisture . Geographical Distribution : Its cultivated majorly in European countries like England, France and also in United States. In India its production is limited to the certain parts of Kashmir. Organoleptic Characters : Color Dark Greyish Green Odor Slight Taste Bitter Size 10-40 cm L X 4-20 cm W. Shape Broadly Ovate, irregular crenate margins Extra