Currently, there is a renewed global interest in the study and use of medicinal plants because such investigations provide important new lead on novel, active molecules of therapeutic importance. For this reason traditional plant based remedies are back and find increasing application as source of direct therapeutic agents. Considerable scientific data have been generated worldwide in this direction and there are spurt of publications. Based on this rationale, the present volume has been compiled and provides recent research data on potential medicinal properties, action and uses of plants in order to contribute material leading to the discovery of new drugs of natural origin. The volume presents 33 research communications. Some interesting studies included are: Trade Related Intellectual Property Rights, Atopic dermatitis etc.