Methods The contents of aristolochic acid in the fruit and seeds of Asarum heterotropoides Fr.Schmidt var. mandshuricum (Maxim.) Kitag. from different places were tested by HPLC.

• 方法采用HPLC法对辽细辛果实中不同部位和不同产地辽细辛种子进行马兜铃酸A的含量测定。