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。
Objective To opitimize the extraction process of galangin from Alpinia officinarum.摘要目的优化从中药高良姜中提取高良姜素工艺研究。
Results Galangin was obtained by on-step column chromatography of polyamide only once.结果运用聚酰胺柱层析－次分离，获得有效成分高良姜素。