Ginkgo Biloba Extract(EGB) has shown that multiple bioactivity and flavones are recognized as main active substance.It is essential that a efficiency and economical quantitative method for flavones in EGB is set up.The aim of the authors is to develop a high performance liquid chromatography method for the quantitative analysis of flavones in the Ginkgo Biloba Extract(EGB) applying Shiseido NANONSPACE SI-2 high performance liquid chromatography system.The analytical column is Capcell Pak C18 column(1.5 mm×2...