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Flavonol triglycosides from seeds of Nigella sativa
- I. Merfort, V. Wray, H. Barakat, S. Hussein, M. Nawwar, G. Willuhn
- Chemistry
- 1 September 1997
Flavonoids from Ephedra aphylla
- S. Hussein, H. Barakat, Mahmoud A.M. Nawar, G. Willuhn
- Chemistry
- 1 August 1997
Anti-trypanosomal activity of helenalin and some structurally related sesquiterpene lactones.
- T. Schmidt, R. Brun, G. Willuhn, S. Khalid
- Chemistry, BiologyPlanta Medica
- 1 August 2002
The anti-trypanosomal activity of six sesquiterpene lactones against the African Trypanosoma brucei rhodesiense and American T. cruzi was investigated and helenalin type compounds may be interesting candidates for further evaluation.
Helenalin and 11 alpha,13-dihydrohelenalin, two constituents from Arnica montana L., inhibit human platelet function via thiol-dependent pathways.
- H. Schröder, W. Lösche, K. Schrör
- Biology, ChemistryThrombosis research
- 15 March 1990
ArnicaFlowers: Pharmacology, Toxicolgy, and Analysis of the Sesquiterpene Lactones—Their Main Active Substances
- G. Willuhn
- Chemistry
- 15 April 1998
Sesquiterpene lactones from Arnica chamissonis less. : VI. Identification and quantitative determination by high-performance liquid and gas chromatography
- W. Leven, G. Willuhn
- Chemistry
- 1987
10-acetoxy-9-chloro-8,9-dehydrothymol and further thymol derivatives from Arnica sachalinensis
- C. Passreiter, U. Matthiesen, G. Willuhn
- Chemistry
- 1 October 1998
New triterpene esters from flowerheads of Arnica lonchophylla.
- T. Schmidt, Jeanette von Raison, G. Willuhn
- ChemistryPlanta medica
- 1 October 2004
From the flowerheads of Arnica lonchophylla Maguire, a variety of mono-, di- and trihydroxytriterpenes of the oleanane, ursane, lupane and dammarane types were isolated and their structures elucidated by EI and CI mass spectrometry and extensive NMR spectroscopic analysis.
Diterpenes from Arnica angustifolia
- T. Schmidt, C. Passreiter, D. Wendisch, G. Willuhn
- Chemistry
- 1 November 1995
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