Determination of Harpagide, 8-Para-Coumaroyl Harpagide, and Harpagoside by High Performance Liquid Chromatography in Harpagophytum Procumbens Drugs and in a Commercial Extract

摘要

A selective method for the determination of HARPAGIDE (HG), 8-para-coumaroyl HARPAGIDE (8PCHG) and HARPAGOSIDE (HS) is described. HS and 8PCHG are the two main compounds extracted from commercial dry extract of Harpagophytum secondary roots.