Zeitschrift fuer Naturforschung. Section C 2009-01-01

Antihepatotoxic activity and chemical constituents of Buddleja asiatica Lour.

Maher M El-Domiaty, Michael Wink, Mahmoud M Abdel Aal, Maged M Abou-Hashem, Rehab H Abd-Alla

Index: Z. Naturforsch., C, J. Biosci. 64(1-2) , 11-9, (2009)

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Abstract

A new natural compound, named 6-O-(3",4"-dimethoxycinnamoyl) catalpol, was isolated from the defatted alcoholic extract of the flowering parts of Buddleja asiatica Lour. (family Scrophulariaceae). Other separated known compounds included steroids (beta-sitosterol, stigmasterol, stigmasterol-O-glucoside, beta-sitosterol-O-glucoside), iridoid glucosides (methyl catalpol, catalpol, aucubin), phenylpropanoids (isoacteoside and acteoside), a triterpene saponin (mimengoside A), flavonoids (diosmin and linarin) in addition to the free sugars mannitol and sucrose. The structures of the isolated compounds were established by 1H and 13C NMR and mass spectrometry. Furthermore, the polar fraction of the flowering parts and the roots showed substantial antihepatotoxic activity comparable to that of the lignan silymarin.

Related Compounds

  • 3,4-Dimethoxycinna...

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