Virtual evaluation on activities of phthalides and terpenoids from Angelica sinensis Protective effect of ligusticum chuanxiong phthalides on focai cerebral ischemia in rats and its related mechanism of action Studies on the Chemical Components of the Rhizome of Ligusticun sinense Oliv, ev chaxiong Fingerprinting Analysis of Rhizoma Chuanxiong of Commercial Types using 1H Nuclear Magnetic Resonance Spectroscopy and High Performance Liquid Chromatography Method