Abstract
Radix gentianae (RG) is a traditional Chinese medicine used for the treatment of acute and chronic hepatitis in clinic. However, the chemical profile of RG is still unconfirmed, which hindered the progress of pharmacological study and clinical application. In this study, ultra-high performance liquid chromatography together with quadrupole time-of-flight mass spectrometry techniques were employed to separate and characterize the chemical constituents in RG. Under the optimized conditions, a total of 60 compounds were rapidly identified or tentatively characterized. Results indicated that iridoid glucosides, flavonoids, organic acids, amino acids, saccharides and nucleosides were major constituents in RG. It is concluded the established method can help to clarify the substance basis and provide useful information for ascertaining the bioactive constituents and action mechanism of RG.
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