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.
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.
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。
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