The process of extraction of isoliquiritigenin( ISL) from licorice with supercritical CO2 was studied by both orthogonal and single factors analysis experiments.

• 采用正交试验与单因素试验相结合方法对异甘草素的超临界CO2提取工艺进行了研究,并与常规索氏提取法的实验结果进行了对比。