Authors:  Rakhi Majumdar, Professor Braja Gopal Bag, University/Institute:  Vidyasagar University Abstracts:  The bark extract of Terminalia arjuna, a well known cardiac tonic, is rich in different types of plant secondary metabolites such as triterpenoids, saponines, tannins, flavanoids, etc. We have demonstrated the use of the bark extract for the synthesis of gold nanoparticles at room tempera…