A trimethoxyellagic acid glucuronide from Conocarpus erectus leaves: isolation, characterization and assay of antioxidant capacity

Pharmaceutical Biology
Nahla A Ayoub

Abstract

The new trimethoxy-ellagic glycoside, 3,3',4'-tri-O-methylellagic acid 4-O-beta-glucupyranuronide and twelve known phenolics were isolated from the leaves of Conocarpus erectus L. (Combretaceae). Structures of all compounds were determined on the basis of spectroscopic methods and chemical degradation. The new compound, together with four of the isolated known constituents and the plant extract itself, showed potent inhibitory effect against reactive oxygen species attack on salicylic acid in a dose-dependent manner adopting xanthine/hypoxanthine oxidase assay.

References

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May 29, 2003·Phytochemistry·Nahla A Ayoub
Aug 5, 2003·Phytochemistry·Sahar A M HusseinMahmoud A M Nawwar

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Citations

Feb 9, 2012·European Journal of Nutrition·Lucélia TavaresCláudia N Santos
May 11, 2018·The Journal of Pharmacy and Pharmacology·Dayane Kelly Dias do Nascimento SantosJeymesson Raphael Cardoso Vieira
Feb 12, 2020·International Journal of Biological Macromolecules·Dayane Kelly Dias do Nascimento SantosThiago Henrique Napoleão

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