A New Naphthoquinone with Anti-inflammatory Activity from An Egyptian Collection of Echiochilon fruticosum

  • Fathy, Hoda M. (Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University) ;
  • Aboushoer, Mohamed I. (Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University) ;
  • Baraka, Azza (Department of Pharmacology, Faculty of medicine, Alexandria University) ;
  • Abdel-Kader, Maged S. (Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University) ;
  • Omar, Abdallah A. (Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University)
  • Published : 2009.03.31

Abstract

Phytochemical investigation of the roots of Echiochilon fruticosum resulted in the isolation of two naphthoquinone derivatives. Compound 1 was identified as anhydroalkanin while compound 2 was identified as a new derivative 5-hydroxy 8-methoxy 2-(4-methylpent-1,3-dienyl) naphthalene-1,4-dione named as echiochiloquinone. In addition, caffeic acid 3, caffeic acid methyl ester 4 were isolated. The structures were determined by physical, chemical and spectral methods. The anti-inflammatory activity of the root extracts and compound 2 was evaluated utilizing both cotton pellet-induced and carragenin-induced rat paw edema. The ulcerogenic effect was also studied.

Keywords

References

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