Breviscapine was one of the flavonoids abstracted from Herba Erigerontis(vant.).Scutellarin is the major active constituent.Breviscapine shows wide pharmacological effects,such as dilating blood vessels,increasing cerebral blood flow,improving microcirculation,inhibiting platelet aggregation,lowering blood viscosity.It also plays important roles in ameliorating hemorrheology,decreasing the activity of fibrinogen,preventing thrombus and anti-peroxidation of lipid,scavenging free radicals,reducing cerebral ed...