On the base of single factors experiments,Plackett Burman design was applied to study the factors of ultrasonic extraction and screen out the key factors:temperature(p=0.034 4),alcohol concentration(p=0.024 1)and the extraction of times(p=0.023 7).
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- 在单因素实验的基础上；采用Plackett Burman试验设计对超声波提取的因素进行了研究；筛选出对超声波提取苹果多酚具有显著影响的因子:温度(p=0.；0334)、乙醇体积分数(p=0
