Methods Two major elements,Dsoralen and isopsoralen were measured using high sensitive HPLC (High porformance Liquid Chromatograph).Results A methd to measure psoralen and isopsoralen is established.

• 方法:采用灵敏度高的高效液相色谱法对本品中主要成分补骨脂素和异补骨脂素进行了含量测定方法的研究。