Methods:On the basis of traditional method and method set in Chinese Pharmacopoeia(2005),TLC method and HPLC method for Rhaponticin examination were established.

• 方法:对传统方法、中国药典方法检查土大黄苷进行了研究,在此基础上建立了以土大黄苷为对照的薄层色谱法和高效液相色谱法检查大黄药材及饮片中土大黄苷。