Standardization of some herbal antidiabetic drugs in polyherbal formulation

BACKGROUND: Ayurvedic formulations are used to treat a wide variety of diseases including diabetes mellitus Standardization of herbal formulation is essential in order to assess the quality of drugs. The present paper reports standardization of eight herbal anti-diabetic drugs–Momordica charantia (seeds), Syzigium cumini (seeds), Trigonella foenum (seeds), Azadirachta indica (leaves), Emblica offi cinalis (fruits), Curcuma longa (rhizomes), Gymnema sylvestre (leaves), Pterocarpus marsupium (heart-wood) individually and in polyherbal marketed samples of Baidyanath Madhumehari Churna MATERIAL AND METHODS: Shivayu Madhuhari Churna, Meghdut Madhushoonya Churna and were compared to the in-house preparation for physicochemical properties. RESULTS AND CONCLUSIONS: The limits obtained from the different physicochemical parameters of the individual eight herbal drugs and the marketed formulations could be used as reference standard for standardization of the anti-diabetic drugs in a quality control laboratory.