To study the flavonoids of Scutellaria barbata from Guangxi.Methods:The whole herb of Scutellaria barbata was extracted and separated by reversed-phase column chromatography,MCI column chromatography,HPLC and other chromatographic separation means,the structures were authenticated by NMR data.Results:Five compounds were seperated and identified as chrysin(1),apigenin(2),luteolin(3),oroxylin(4),naringin(5).Conclusion:The isolated compounds are all flavonoids,which can offer some reference for the analysis of flavonoids in Scutellaria barbata from Guangxi.
Scutellaria barbataflavonoidsextraction and separationstructural identification