Methods: Adenosine, Uridine and Guannosine were detemined by TLC-Scanning samples were perfomed by fluorescence quenching analyis.

• 方法:采用高效薄层色谱扫描法进行含量测定,同时建立了不同虫草样品的荧光淬灭薄层色谱指纹图谱。