To extract synephrine, the percolation processes was selected, the extraction steps include wetting powdery FAI, dipping the wet powder in hydrochloric acid solution and percolating by using hydrochloric acid solution.

• 通过比较选择渗漉法提取辛弗林,提取步骤为:枳实粗粉润湿,酸液浸泡,装渗漉筒以盐酸溶液渗漉。