Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.

方法采用乙醇提取，石油醚脱脂，氯仿萃取，上聚酰胺柱得到高良姜素。

Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.

方法用石油醚提取脂肪油并甲酯化，采用毛细管气相色谱-质谱联用技术对其进行分析鉴定。