采用碱溶盐析法从女贞子中提取齐墩果酸的效率较高,且具有操作简便、灵敏准确的特点。红外光谱振动吸收峰的数据也确定出了齐墩果酸中的主要官能团。且该方法简便、快速,准确度高,具有重要的参考价值。 The extraction of oleanolic acid from Fructus Ligustrum by alkaline salting-out method is more efficient and has the characteristics of simple, sensitive and accurate. The data of the absorption peak of the infrared spectrum also identify the major functional groups in oleanolic acid. The method is simple, rapid, accurate and has important reference value.