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- Publications
- Influence
Flavonol triglycosides from seeds of Nigella sativa
- I. Merfort, V. Wray, H. H. Barakat, S. Hussein, M. Nawwar, G. Willuhn
- Chemistry
- 1 September 1997
Abstract Three new flavonoid glycosides quercetin and kaempferol 3-glucosyl(1 → 2)galactosyl(1 → 2)glucoside and quercetin 3-(6-feruloylglucosyl)(1 → 2)galactosyl(1 → 2)glucoside were isolated and… Expand
Flavonoids from Ephedra aphylla
- S. Hussein, H. H. Barakat, Mahmoud A.M. Nawar, G. Willuhn
- Chemistry
- 1 August 1997
Abstract A new di- C -glucosylflavone, 2″2‴-di- O -β-glucopyranosyl-vicenin II and a new flavonol di- O -glycoside, herbacetin 3- O -α-rhamnopyranoside-8- O -β-glucopyranoside, were isolated from the… Expand
Anti-trypanosomal activity of helenalin and some structurally related sesquiterpene lactones.
- T. Schmidt, R. Brun, G. Willuhn, S. Khalid
- Biology, Medicine
- Planta medica
- 1 August 2002
The anti-trypanosomal activity of six sesquiterpene lactones (helenalin, mexicanin I, 11alpha,13-dihydrohelenalin acetate, chamissonolide, ivalin and isoalantolactone) against the African Trypanosoma… Expand
ArnicaFlowers: Pharmacology, Toxicolgy, and Analysis of the Sesquiterpene Lactones—Their Main Active Substances
- G. Willuhn
- Chemistry
- 15 April 1998
UNTERSUCHUNGEN ÜBER DIE INHALTSSTOFFE VON ARNICA–ARTEN – V.1 Gehalt und Gehaltsschwankungen an ätherischem Öl in den verschiedenen Organen von Arnica–Arten2
- G. Willuhn
- Biology
- 1 May 1972
Sesquiterpene lactones from Arnica chamissonis less. : VI. Identification and quantitative determination by high-performance liquid and gas chromatography
- W. Leven, G. Willuhn
- Chemistry
- 1987
Abstract Sesquiterpene lactones are pharmacologically interesting compounds of the flowerheads of Arnica chamissonis Less. spp. foliosa (Nutt.) Maguire, officinal as Arnicae Flos (DAB 9 and… Expand
10-acetoxy-9-chloro-8,9-dehydrothymol and further thymol derivatives from Arnica sachalinensis
- C. Passreiter, U. Matthiesen, G. Willuhn
- Chemistry
- 1 October 1998
Abstract The new thymol derivatives, 10-acetoxy-9-chloro-8,9-dehydrothymol, 10-acetoxy-8,9-dehydrothymol, 10-isobutyryloxy-8,9-dehydrothymol and 9-acetoxy-thymol, were isolated from flowerheads of… Expand
Flavonoid Glycosides and Other Hydrophilic Compounds from Flowers of Heterotheca inuloides.
- C. Jerga, I. Merfort, G. Willuhn
- Medicine, Biology
- Planta medica
- 1990
Ten flavonoid glycosides were identified in flowers of HETEROTHECA INULOIDES ("Mexican Arnica"). Their structures were established by spectral data (UV, (1)H-NMR, (13)C-NMR, mass) and total acid… Expand
New triterpene esters from flowerheads of Arnica lonchophylla.
- T. Schmidt, Jeanette von Raison, G. Willuhn
- Chemistry, Medicine
- Planta medica
- 1 October 2004
From the flowerheads of Arnica lonchophylla Greene ssp. lonchophylla Maguire (Asteraceae), a variety of mono-, di- and trihydroxytriterpenes of the oleanane, ursane, lupane and dammarane types were… Expand
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