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应用羟肟酸铁反应的分光光度法和HPLC法测定银杏叶中萜内酯含量,比较二者之间的差异,并初步找出二者之间含量差异的比例,从而在不具备HPLC法工艺制备企业,应用分光光度法先进行含量的粗控,探索到较佳的工艺条件后,再用HPLC法严格控制提取物的质量,应用此法,降低成本的同时也严格控制了制剂的质量。
The spectrophotometric method for the determination of terpene lactone in Ginkgo biloba leaves was studied by HPLC and the difference between the two was determined by using the spectrophotometric method and HPLC method. Preparation companies, the application of spectrophotometry first content of the rough control, to explore the preferred process conditions, and then use the HPLC method to strictly control the quality of the extract, the application of this method to reduce costs while also strictly control the quality of the preparation.