Standardization of herbal formulation is essential in order to assess the quality of drugs for therapeutic value. Mrdvikadi Lehya is official in Ayurvedic formulary of India and prepared as prescribed in the official book of Ayurvedic Formulary of India. It is most common formula used for Cough in Ayurvedic medicine. It comprised of the fruits of two medicinal important plants, Vitisvinifera (Draksha), Piper longum (Pippali) and Sarkara (sugar) and madhu (Honey). It was standardized in order to assess the quality of drugs, based on the concentration of their active principles according to world health organization guidelines. The various parameters performed included organoleptic and physicochemical characteristics. The set parameters were found to be sufficient to standardize the Mrdvikadi Lehya and can be used as reference standards for the quality control/ quality assurance study mostly on plant drugs for their primary health care needs. The results obtained may be considered as tools for assistance to the regulatory authorities, scientific organization and manufacturers for developing standard formulation of great efficacy.

Standardization, Ayurvedic, Quality Control, Mrdvikadi Lehya.