[Studies on precipitate of Huanglian-Huangqin couples in decoction].
OBJECTIVE
Chemical composition of precipitate was researched when Huanglian-Huangqin was decocted.


METHODS
Ployamide column chromatography, TLC and TOF-MS were used.


RESULTS
The precipitate contains berberine, palmatine, jalrorrhizing, epiberberine, copticine, baicaling and wogonoside.


CONCLUSIONS
The precipitate is effective composition in Chinese medical decoction. The research provides new data on medical effects of Huanglian-Huangqin couples.
Qiao
L
L
Beijing Medical University, Beijing 100083.
Peng
J
J
Pu
X
X
Wei
L
L
D000470:Alkaloids / Q000032:analysis*; D011232:Chemical Precipitation; D039323:Coptis / Q000737:chemistry*; D005419:Flavonoids / Q000032:analysis; D006358:Hot Temperature; D010946:Plants, Medicinal / Q000737:chemistry*; D031364:Scutellaria baicalensis / Q000737:chemistry*
D000470:Alkaloids; D005419:Flavonoids