Standardization Parameter of Churn

Churna preparations are an important and widely used form of Ayurvedic herbal formulations in India. These are prepared by mixing powdered form of single or mixture of several crude drugs meant to be dispensed as such.
Churna is defined as a fine powder of drug or drugs in ayurvedic system of medicine. Drugs mentioned in patha are cleaned properly, dried thoroughly, pulverized and then sieved. The churna is free flowing and retains its potency for one year, if preserved in airtight containers. Churna formulations are similar to powder formulations in allopathic system of medicine. In recent days churna is formulated into tablets in order to fix the dose easily. These forms of medicament are prescribed generally because of their particle size. Smaller the particle size greater is the absorption rate from g.i.t and hence the greater is bioavailability. Aim of this article to give a detail account on some parameter use for standardization of churna.

Churn, Bioavailability, Medicine, Parameter

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