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Punarnavārka
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Punarnava Arka is a liquid preparation obtained by hydro-distillation of roots of Boerhaavia diffusa.
Formulation composition
Method of preparation
- Take all ingredients of pharmacopoeial quality.
- Wash, dry and powder the ingredient number 1 of the Formulation Composition and pass
through the 355 µm I. S. sieve (sieve number 44) to obtain coarse powder.
- Place 100 g of Punarnava powder in a round bottom standard joint flask of 5.0 l capacity. Add 3.5 l of Jala.
- Attach the proper distillation assembly, double surface condenser and receiving flask and enough circulating water to condense the distillate i.e. Arka.
- Place the flask on a heating mantle. Adjust the temperature control when boiling starts and continue the distillation to collect about 2.0 l of Arka.
- Store in containers and pack them air-tight to protect from light and moisture[1]
References
- ↑ THE AYURVEDIC PHARMACOPOEIA OF INDIA, PART-II, VOLUME-III, page no 20.
