Single factor experiment was adopted to investigate the influences of ultrasonic power,concn.of lentinan and system temperature on the changes of solution intrinsic viscosity during degradation.

• [方法]用脉冲超声降解香菇多糖，通过单因素实验考察超声功率、多糖浓度及体系温度对降解过程中溶液特性粘度变化的影响，并研究降解前后香菇多糖的体外抗氧化活性的变化。