Bamboo-leaf-flavonoids are main functional components in bamboo leave extract. It isreported that bamboo-leaf-flavonoids have many kinds of activities and wide applications inthe future. Taking the leaves of Phyllostachys pubescens and Pleioblastus argenteastriatus asthe experiment materials, Some flavones were separated with Silica gel column and SephadexLH-20 column, and were identified with MS, UV, FTIR and NMR. The purification technicsand content determination of bamboo-leaf-flavonoids also w...