Objective To investigate the synergistic analgesic action of rotundine combined with subthreshold dose of dolantin.
目的观察罗通定与阈下剂量哌替啶合用后对哌替啶镇痛作用的影响。
2
Objective to establish a UV method to determine the release degree of rotundine sustained-release tablets and to evaluate its in-vitro release behavior.
目的建立罗通定缓释片体外释放度测定方法，评价其体外释药行为。
3
Methods Ultraviolet spectrophotometry was applied to determine the release degree of rotundine sustained-release tablets with different release mediums.