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[Daviditin B from Swertia davidi Franch]
Gui-shan Tan1, Kang-ping Xu, Fu-shuang Li
1School of Pharmaceutical Sciences, Central South University, Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China. tgs395@yahoo.com.cn
Yao Xue Xue Bao = Acta Pharmaceutica Sinica
|March 26, 2004
Summary
Researchers identified active compounds in Swertia davidi Franch, including a new xanthone, daviditin B, which demonstrated in vitro antioxygenated activity.
Area of Science:
- Phytochemistry
- Natural Products Chemistry
Context:
- Swertia species are known for their medicinal properties.
- Investigating the chemical constituents of Swertia davidi Franch. is crucial for understanding its bioactivity.
Purpose:
- To isolate and characterize the active chemical constituents of Swertia davidi Franch.
- To identify novel compounds with potential therapeutic applications.
Summary:
- Chemical components were isolated using column chromatography and characterized by spectroscopic methods (UV, IR, NMR, 2D-NMR, MS).
- Three compounds were identified: 2,5-dimethoxyl-1,4-dicarboxyl benzene (VIII), 1,5,8-trihydroxyl-3,4-dimethoxyl xanthone (IX), and a new xanthone, daviditin B (X).
- Compounds VIII and IX represent new discoveries in Swertia davidi Franch.
Impact:
- This study contributes to the phytochemical knowledge of Swertia davidi Franch.
- The identification of daviditin B with antioxygenated activity opens avenues for further research into its pharmacological potential.