Picrorhiza kurrooa Root and Rhizome Dry Extract

DEFINITION

The article is prepared from Picrorhiza kurrooa Royle (Family Plantaginaceae) root and rhizome by extraction of hydro-alcoholic mixtures. It may contain suitable added substances as carriers. It contains NLT 90.0% and NMT 110.0% of the labeled amount of the iridoid glycosides picroside I and picroside II, calculated on the anhydrous basis.

CONSTITUENTS OF INTEREST:

 Iridoid glycosides: Picroside I and picroside II

IDENTIFICATION

A. Thin-Layer Chromatography

Standard solution A: 0.5 mg/mL of USP Picroside I RS in methanol

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