Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3570

Full Length Research Paper

Alkaloids and flavonoids from the air dried aerial parts of Citrullus colocynthis

Hediat M. H. Salama
Botany and Microbiology Department, Faculty of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia.
Email: [email protected]

  •  Accepted: 05 April 2012
  •  Published: 03 October 2012


From the air dried aerial parts of Citrullus colocynthis, two new alkaloids namely, 2-(nonan-8-one)-(1H)-4-quinolone and 2-(Nonan-8-one) 4-methoxy-quinoline were isolated. Two flavonoids, (2S)-3\, 4\ -methylenedioxy -5, 7-dimethoxy flavan and hispidulin 7- (6 – E – β coumaroyl – β – D glucopyranoside) were also extracted and identified. The structures were established by conventional methods of analysis and confirmed by UV, IR, 1H and13CNMR, and mass spectra.


Key words: Citrullus colocynthis, cucurbitaceae, new quinoline, quinolone alkaloids, flavonoids.

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