[Extraction of berberine hydrochloride from Mahonia bealei (Fort.) Carr]

The article reports the processing methods for extracting berberine hydrochloride from Mahonia bealei by means of regressive test. The result shows that A2B3C1D2E3F2 is the best way, namely, extractive solvent--0.5% sulfuric acid, salting out--24% salt, soaking temperature--25 degrees C, soaking time--48 hours, pH = 1.5, precipitation time--24 hours. The recovery is 1.45%-1.47%.