Pharmacokinetics and comparative metabolic profiling of iridoid enriched fraction of Picrorhiza kurroa - An Ayurvedic Herb.Sultan Zahiruddin, Washim Khan, +4 authors Sayeed AhmadJournal of ethnopharmacology2017ETHNO-PHARMACOLOGICAL RELEVANCE Picrosides I, II and apocynin are the main active principles present in the roots and rhizomes of Picrorhiza kurroa Royle ex. Benth (Kutki). Ethno-medicinally, the… (More)