Determination of shionone content in root of Aster tataricus by HPLC Fingerprints of genuine Radix Asteris from Hebei Province Studies on relationship between fingerprints of hydrophilic and hydropholic components in Salvia miltiorrhiza Determination of Shionone in Radix Asteris by HPLC Optimization of extraction technology for Asteris Radix et Rhizoma in Zibai Zhisou Capsules with orthogonal test Chemical constituents from roots of Millettia speciosa