方法：接文献方法和药典规定检测北沙参不同栽培品种的多糖、欧前胡素、浸出物等成分含量。
Methods: Polysaccharide, imperatorin and extractives in different varieties were detected according to document and Chinese Pharmacopeia.
本发明涉及一种紫花前胡素的生产方法，尤其是通过超声波提取从紫花前 胡中生产紫花前胡素的工艺方法。
The invention relates the preparing method of nodakenin, especially the method of producing nodakenin from light brown peucedanum root with ultra-audio wave.
方法：运用紫外分光光度法测定总香豆素含量； HPLC法测定水合氧化前胡素、欧前胡素、异欧前胡素的含量。
Methods:The total content of coumarins was determined by UV. The content of imperatorin, isoimperatorin and oxypeucedanin hydrate in different samples was carried out by HPLC.
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