Standardization of Ayurvĕdic formulations : a scientific review.

ABSTRACT

Safety and efficacy of a drug mainly depends on the method of preparation. To assess the quality of a finished product, there should be some basic standards as well as methods of preparation. There are several parameters for testing the quality of a chemical drug, which have, are true indicators. So, there is no problem in assessing a synthetic drug's quality. As far as the preparation used in Ayurvĕdic system of medicine, a drug formulation or design may not be a problem, because many formulations are well documented in classical texts. But, there is confusion with respect to standards to be followed while preparing a formulation as well as basic parameters to assess the quality of the finished product. In Ayurvĕda, pañcavidhakaşăyakalpana are the basic pharmaceutical preparations, from which all the other preparations are developed. A specific method for each and every preparation and some basic standards of finished products are mentioned in Ayurvĕdic texts to maintain their quality. This information may some times vary from text to text. To overcome this problem Sărangdhara mentioned detailed information about various formulations with respect to their methods of preparation as well as basic standards and are documented in Sărangdhara Samhita.