OBJECTIVE
To reinvestigate the chemical constituents of the ethanolic extract of Meconopsis quintuplinervia Regel which is a traditional Tibetan medicine used for treatments of hepatitis, tuberculosis etc..
METHODS
The compounds were enriched by column chromatography techniques over silica gel,
A phytochemical investigation on the aerial parts of a Tibetan medicine Meconopsis horridula, by solvent extraction, repeated chromatographies on silica gel, Sephadex LH-20, and preparative TLC techniques, led to the isolation of 9 compounds. By spectroscopic analysis and comparison of its 1H and