Abstract
Purpose: Phytochemical and biological investigations of the valuable plant, Rumex cyprius, family Polygonaceae, wildly grown in Saudi Arabia.Methods: Chloroform, ethyl acetate and methanol extracts were prepared from the different organs of R. cyprius. The extracts were analyzed by electrospray ionization source coupled to a mass spectrometer (ESI-MS) and tandem mass spectrometer (ESI-MS/MS) at different collision energies. The plant organs (leaf, fruit and stem) were standardized on the bases of quercetin by HPLC, and determined for their hepatoprotection in tetrachloride-induced acute liver toxicity using a mouse model.Results: Twenty-five phenolic compounds distributed between the leaf, fruit and stem of R. cyprius were identified. They were related to classes of anthraquinones, phenolic acids, flavonoid aglycones, glycosides and polyphenols. Twenty-two compounds in total were found and identified, and for the hepatoprotective effects, the leaf exhibited the best activity.Conclusion: R. cyprius is a source of potentially active phytoconstituents and a good naturalhepatoprotective drug. This study is being documented for the first time.
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