Picrorhiza kurrooa Root and Rhizome Dry Extract

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

Standard solution B: 80 mg/mL of USP Picrorhiza kurrooa Root and Rhizome Dry Extract RS in methanol

Sample solution: 80 mg/mL of Picrorhiza kurrooa Root and Rhizome Dry Extract in methanol. Sonicate for 10 min,...