Puerarin was directly isolated in 1.15% yield from the roots of Pueraria lobata by extraction and hydrolysis. The purity of puerarin was determined by HPTLC to be 97.6%.

• 采用有机溶剂萃取结合酸水解的方法,直接从野葛根中分离葛根素,并用HPTLC进行纯度分析。产率为1。15%25,含量为97。6%25。操作简便,产品纯度和产率高,成本低