This paper focused on the methods of reflux extration and spectrophotometric technique for extraction and determination of total flavon from the seeds of Hovenia dulcis Thunb.

• 分别用水和乙醇作为溶剂加热提取枳椇子中的总黄酮,用比色法测定黄酮的含量,分别以提取时间、加热温度、料液比、提取次数等因素进行正交试验。