title: Chemistry of kupipakwa rasayanas - a review.
abstract: Kupipakwa Rasayanas are very popular and commonly prescribed preparations among the Ayurvedic physicians, and are looked upon as panacea. These are prepared in a specially designed glass bottle by gradual heating immersion in sand bath (Valuka Yantra). Particular chemical processes are involved in these preparations which also bear testimony to the great chemical knowledge prevailing in ancient India. In the present review, the probable chemistry of Kupipakwa Rasayanas has been discussed.
authors.affiliation: Department of Rasashastra and Bhaishajya Kalpana Drug Research, I. P. G. T. & R. A., Gujarat Ayurved University, Jamnagar- 361008, India.
authors.forename: Prasanta Kumar
authors.initials: PK
authors.lastname: Sarkar
authors.forename: Neky J
authors.initials: NJ
authors.lastname: Mehta
authors.forename: P K
authors.initials: PK
authors.lastname: Prajapati