Simultaneous extraction and separation of liquiritin, glycyrrhizic acid, and glabridin from licorice were developed by liquidliquid extraction with liquid chromatography separation.

• 同时从甘草根液中提取分离苷，甘草酸，以及甘草黄酮的方法已经发展为萃取色谱分离法的液-液萃取术。