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Variation of sesquiterpene lactone contents in different Arnica montana populations: influence of ecological parameters

Seemann, Andreas ; Wallner, Teresa ; Poschlod, Peter ; Heilmann, Jörg



Abstract

In ten grassland or heathland sites along a geog. (north to south) and climatic gradient in Germany, flowerheads of Arnica montana were collected, and the total content of sesquiterpene lactones (SLs) as well as the content of the detected single compds. were detd. The ratios of helenalin (H)- and corresponding 11alpha ,13-dihydrohelenalin(DH)-type compds. were calcd. All habitats were ...

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