Ayurvedic Review on Classical Preparation Methods of Rasa Drugs

Ayurveda employs a variety of ideas with the aim of creating a healthy society through disease treatment and prevention. In ancient Rasashastra, for instance, mercury was mined for use as a medicine base, and Rasashatra is one of the branches of Ayurveda that deals with the art of alchemy. Rasa-Aushadhi refers to the medicines which are prepared, and classified under the alchemy discipline where medications are processed through Murchana, Rodhana, Jarana and Mardana along with Shodhana. These methods purify substances, improve their therapeutic power and enhances therapeutic window of Rasa-Aushadhi. This paper highlights the understanding of Ras Dravyas and significance of their preparatory methods.