Comparative Pharmaceutical and Analytical Study of Chapal Shodhan (Purification Process) with Special Reference to Bismuth and Selenium

Rasashastra is the branch of science which deals with alchemic preparation or metal and mineral medicinal formulation explained in ancient texts of Ayurved. Rasashastra explained group of drugs in different names on the basis their therapeutic application and binding capacity of drug with Mercury. Chapal one among the group of Maharasa which is having potent therapeutic properties like immune modulator, analgesic, rejuvenator and aphrodisiac. Due to lack of identification, difficulty in procurement and confusion in synonyms and vernacular names, Chapal placed in controversial drugs. Some opines Chapal as Bismuth and some says Selenium. To overcome from these controversies to confirm the type of drug this comparative study is undertaken. Comparative study given nearer conclusion that Chapal can be Selenium, after observing organoleptic properties and symptoms experienced by the person during the purificatory process.