[Studies on the extraction of plant constituents. 3. Extraction of berberine from Phellodendri cortex].
D000470:Alkaloids / Q000302:isolation & purification*; D004987:Ethers; D008433:Mathematics; D010936:Plant Extracts / Q000032:analysis; D010946:Plants, Medicinal / Q000032:analysis*
D000470:Alkaloids; D004987:Ethers; D010936:Plant Extracts