Chemical constituents from roots of Tinospora sagittata var. yunnanensis STUDIES ON PHYSIOLOGICAL AND BIOCHEMICAL CHARACTER IN SUSPENSION CULTURE OF BERBERIS JULIANAE SCHNEID Ⅲ. Relationship between jatrorrhizine accumulation and cell Growth QUANTITATIVE ANALYSIS OF JATRORRHIZINE BY SPECTROPHOTOMETRY, THIN LAYER CHROMATOGRAPHIC SCANNING AND HIGH PERFORMANCE LIQUID CHROMATOGRPHY Effects of three Arbuscular Mycorrhizas on Different Provenances of Amur Cork Seedings The seasonal and geographical variance analysis of the berberine and jatrorrhizine contents in natural populations of Phellodendron amurense Effects of color films on the contents of three main alkaloids in amur corktree seedlings Effects of light intensity on the contents of three main alkaloids in amur corktree seedlings Determination of berberine hydrochloride, epiberberine, jatrorrhizine, palmatine, and glyeyrrhizinate in Coptidis Rhizoma Compound Decoction by HPLC Determination of berberine hydrochloride, epiberberine, jatrorrhizine, palmatine, and glyeyrrhizinate in Coptidis Rhizoma Compound Decoction by HPLC Simultaneous determination of jatrorrhizine, palmatine, berberine, and obacunone in Phellodendri Amurensis Cortex by RP-HPLC Quantitative analysis of multi-components with single marker for determination of alkaloids in Phellodendri Amurensis Cortex Quantitative analysis of multi-components with single marker for determination of alkaloids in Phellodendri Amurensis Cortex A Study on the Chemical Constituents of Asteropyrum peltatum (Franch.) Drumm. et Hutch. In situ intestinal absorption kinetics of berberine and jatrorrhizine fromextractive Rhizoma Coptidis in rats Effect of nitrogen forms on berberine, jatrorrhizine and palmatine content in corktree seedlings The Isolation and Identification of Jatrorrhizine from Cell Cultures of Berberis julianae Schneid Determination of jatrorrhizine,palmatine and berberine in Cortex phellodendron by HPLC Study on quality standard of Berberidis Cortex Study on Immobilization of Suspension Cultured Cells of Berberis julianae Effects of water stress on berberine, jatrorrhizine and palmatine contents in amur corktree seedlings Fingerprint study of Wuji Pill by UPLC-MS/MS Determination of 3 kinds of components in Huanglian Jiedu decoction by HPLC under different UV wavelengths Quality control for alkaloids of Corydalis Rhizoma based on quantitative analysis on multi-components with single marker Determination of six alkaloids in crude and processed Coptidis Rhizoma with quantitative analysis of multi-components by single marker Pharmacokinetics of three alkaloids in Huanglianjiedu dcoction in  rat serum by LC-MS-MS Effect of Iiatrorrhizine,berberine,Huanglian Decoction and compound-mimic prescription on blood glucose in mice Extraction and IsoIation of Jatrorrhizine Choride from the Mother Liquor of Preparation of Berberine Chloride Inhibition of rutaecarpine on in vitro hepatic metabolism of five Coptis alkaloids in rats Comparison on content differences of four bioactive compounds in different Wujiwan decoction by HPCE internal standard method Nitrogeous chemical constituents from Tinosporae Radix