Effective and efficient analytical technology for the extraction and isolation of active components in herbal plants or extracts is an important area of research in the current push towards the modernization of TCM (Traditional Chinese Medicine). In this thesis, several novel extraction techniques including microwave-assisted extraction (MAE), multistage countercurrent extraction (MCE), and high-speed counter-current chromatography (HSCCC) methods for the extraction and isolation of some important active in...