Methods The contents of synephrine, volatile oil, total ash, acid-insoluble ash and water in different specifications of Frutus Aurantii Immaturus were determined by HPLC or other methods according the china pharmacopoeia.

• 方法采用HPLC法测定不同规格枳实中辛弗林含量，同时依照药典方法分别测定了其挥发油、总灰分、酸不溶性灰分和水分含量，对不同规格枳实药材进行综合质量对比研究，并与其传统规格分类进行比较。