African Journal of
Pure and Applied Chemistry

  • Abbreviation: Afr. J. Pure Appl. Chem.
  • Language: English
  • ISSN: 1996-0840
  • DOI: 10.5897/AJPAC
  • Start Year: 2007
  • Published Articles: 368

Full Length Research Paper

Some chemical constituents of the leaves of Cassia nigricans Vahl

R. G. Ayo1*, J. O. Amupitan2, I. G. Ndukwe2 and O. T. Audu2
1Samaru College of Agriculture, Ahmadu Bello University, Zaria, Nigeria. 2Department of Chemistry, Ahmadu Bello University, Zaria, Nigeria
Email: [email protected]

  •  Accepted: 13 October 2009
  •  Published: 30 November 2009

Abstract

The methanol extract of the leaves of Cassia nigricans Vahl. (family; Leguminosae) was investigated. Chromatographic techniques were used to purify the crude extract. The gas chromatography/mass spectrometric analysis of the extract revealed the presence of five compounds, identified as 4-hydroxyanthraquinone-2-carboxylic acid; heptadecanoic acid,14-methyl-,methyl ester; bis (2-ethylhexyl) phthalate; β-cholest-3-ene and β-sitosterol acetate.

       

Key words: Cassia nigricans, methanol extract, anthracene derivatives, steroids, ester, bis (2-ethylhexyl) phthalate.

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