The extract conditions of resveratrol from Polygonum Cuspidatum Sieb et Zucc were investigated by using the orthogonal design with resveratrol as index,which was determined by HPLC.

• 采用HPLC法,以白藜芦醇的含量为指标,通过单因素实验及正交实验方法确定了从虎杖中提取白藜芦醇的最佳工艺条件。