Rasendra Mangal in 8th century by Acharya Nagarjun has mentioned use of Parpati in Kushtha Roga Later in 11th century Acharya Chakrapani Dutt in Chakradutta mentioned its use in Grahani Roga. In 12th century Acharya Dunduknath has mentioned Kramagni (increasing heat). In 18th century Bhaishajya Ratnavali has explained many Parpaties and Rasa Parpati made by Shrivatsanka Viniirmit is considered to be best. Later on, with development different Acharyas added different Dravyas with Parad and Gandhak to enhance its therapeutic actions. Parpati Kalpana is the Parada Bandha (process of binding mercury) which helps to reduce the Durgrahatva (difficult to hold) and Chanchalatva (quickness or instability) of Parada (mercury)1. The term Parpati (thin flake like medicine) has been used in many context of Rasa Shastra. Parpati is a thin Flake like preparation consisting of Parada, Gandhaka (sulphur) and other drugs which are developed from Parada. This Preparation of Parada consist therapeutically effective minerals and metallic formulations which includes both Sagandha (with sulphur) and Nirgandha (without sulphur) Parada Murchita Yoga (medicines prepared out of mercury). Parpati Rasayanas have high therapeutic value, potency, less toxicity and cost effective preparations. Many works have been done on Parpati related to its pharmaceutical, clinical and literary part but so far, there is no work on Parpati Kalpana. Considering detailed review on Pharmaceutical and Analytical Parameters applicable for Parpati preparations. So, in this paper an honest attempt has been made to have a systematic overview of Parpati Kalpanas.
Rasa Shastra, Murchita Parada Yogas, Raskalpa, Parpati, Types, Paka, Pathya, Apathya.
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