Picrorhiza kurrooa Root and Rhizome Powder

DEFINITION

The article consists of the dried root and rhizome of Picrorhiza kurrooa Royle (Family Plantaginaceae), reduced to powder or very fine powder. It contains NLT 3.5% of iridoid glycosides calculated as the sum of picroside I and picroside II on the anhydrous basis.

POTENTIAL CONFOUNDING MATERIALS

Picrorhiza scrophulariiflora Pennell

CONSTITUENTS OF INTEREST

Iridoid glycosides: Picroside I and picroside II

IDENTIFICATION

• A. Botanical Characteristics

Dusty grey; shows group of fragments of cork cells, thick walled. parenchyma,...