- Article
In Vitro Metabolism of Helenalin Acetate and 11α,13-Dihydrohelenalin Acetate: Natural Sesquiterpene Lactones from Arnica
- Franziska M. Jürgens,
- Matthias Behrens,
- Hans-Ulrich Humpf,
- Sara M. Robledo and
- Thomas J. Schmidt
Arnica tincture is a herbal medicinal preparation with anti-inflammatory activity which is used traditionally for the topical treatment of blunt injuries as well as rheumatic muscle and joint complaints. Its main bioactive constituents are sesquiterp...

