[The comparison between LC-UV and LC-MS in analysis of polyphenolic components from leaves of Crataegus L].

Objective: To compare the analytical method of LC-UV and LC-MS determination of major polyphenolic components in leaves of Crataegus L.

Methods: By high-performance liquid chromatography method with VWD and MSD, Lichropsher C18 column (250 x 4.6 mm I.