Orthogonal test applied to water-extracting process for Tiaojingzhitong Tablet, lactiflorin extracting rate from red paeony root used for reference index, HPLC was used for the content assaying.

• 作者采用正交试验法对调经止痛片的水提工艺进行筛选研究,以赤芍药材中芍药苷的提取率作为考查指标,采用高效液相色谱法测定含量。