Kahiricosides II-V, cycloartane glycosides from an Egyptian collection of Astragalus kahiricus

Phytochemistry. 2004 Nov;65(21):2909-13. doi: 10.1016/j.phytochem.2004.08.037.

Abstract

Four cycloartane-type saponins, kahiricosides II-V (1-4), were isolated from the aerial parts of Astragalus kahiricus of Egyptian origin. Their structures were established as 9beta,19-cyclolanost-24E-ene-3beta,6alpha,16beta,27-tetraol-3-O-beta-D-glucopyranoside, 9beta,19-cyclolanost-24E-ene-3beta,6alpha,16beta,27-tetraol-3-O-(2'-O-acetyl)-beta-D-glucopyranoside, 9beta,19-cyclolanost-24E-ene-3beta,6alpha,16beta,27-tetraol-3-O-(6'-O-acetyl)-beta-D-glucopyranoside, and 9beta,19-cyclolanost-24E-ene-3beta,6alpha,16beta,27-tetraol-3-O-beta-D-glucopyranosyl-27-O-beta-D-glucopyranoside based on chemical and spectral evidences. All compounds exhibited very weak cytotoxicity against the A2780 ovarian cancer cell line.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents, Phytogenic / isolation & purification
  • Astragalus Plant / chemistry*
  • Cell Line, Tumor
  • Egypt
  • Female
  • Glycosides / chemistry
  • Glycosides / isolation & purification*
  • Glycosides / pharmacology
  • Humans
  • Magnetic Resonance Spectroscopy
  • Plant Components, Aerial / chemistry
  • Triterpenes / isolation & purification

Substances

  • Antineoplastic Agents, Phytogenic
  • Glycosides
  • Triterpenes
  • kahiricoside II
  • kahiricoside III
  • kahiricoside IV
  • kahiricoside V