Pharmaceutical and analytical study of Khageshwara Rasa

Summary of article contents:

Kupipakwa Kalpas are formulations prepared by administering progressive heat is administered for a definite period of time. The final product is a generally a condensed compact formulation which is adhered to the neck (Galastha) or Base (Talastha) of the Kupi or on both (Ubhayastha). ‘Khageshwara Rasa’ is a Kupipakwa Rasayana described in Rasaratna samuchaya, Rasa yoga sagara, which is expressed as an effective remedy for managing Switra Roga, Kasa and Shwasa.  The present work is a documentation on the preparation of Khageshwara Rasa. The work is presumed to be a general guideline for the preparation of this formulation. A mixture of drugs containing 60 gm each of Shodhita Parada, Shodhita  Gandhaka and Shodhita Kasisa was done Paaka in Valuka Yantra. The end product obtained was 50 gm by weight. Proper assistance, observation and special precautions were required for the successful completion of this product. The chief features in this process was melting of Kajjali, elimination of Sulphur, boiling of Kajjali, liberation of Mercury as vapours, condensation of product and formation of final product which might be predominantly Ferro –Mercuric– Sulphide complex. Modern analytical parameters are required for the structural and compositional identity of the formulation.