The influences of ultrasonic frequency, ultrasonic time and solvent content on the extraction rate of fat oil in Elaeagnus angus-tifolia L.were studied.The optimum extraction condition was obtained.

• 用均匀设计法考察超声频率、超声时间和溶剂用量对沙枣油提取率的影响,得到提取沙枣油的优化超声工艺条件。