TY  - BOOK
AU  - Spitaler,R.
AU  - Schlorhaufer,P.D.
AU  - Ellmerer,E.P.
AU  - Merfort,I.
AU  - Bortenschlager,S.
AU  - Stuppner,H.
AU  - Zidorn,C.
TI  - Altitudinal variation of secondary metabolite profiles in flowering heads of Arnica montana cv. ARBO
KW  - ARNICA MONTANA
KW  - ALTITUDINAL EFFECTS
KW  - CHEMICAL ECOLOGY
KW  - PHENOLICS
KW  - CAFFEIC ACID ESTERS
KW  - SESQUITERPENE LACTONES
KW  - NATURAL PRODUCTS
KW  - UV RADIATION
N2  - The altitudinal variation on the contents of secondary metabolites in flowering heads of Arnica montana was assessed. Plants of A. montana cultivar ARBO were grown in nine experimental plots at altitudes between 590 and 2230 m at Mount Patscherkofel near Innsbruck/ Austria. The total contents of sesquiterpene lactones and flavonoids were not positively correlated with the altitude of the growing site. However, the roportion of flavonoids with vicinal free hydroxy groups in ring B to flavonoids lacking this feature significantly increased with elevation. Additionally, the level of caffeic acid derivatives also positively correlated with the altitude of the growing site. In particular amounts of 1-methoxyoxaloyl-3,5-dicaffeoylquinic acid significantly increased in higher sites and samples from the summit region contained 85
UR  - https://drive.google.com/file/d/1Ha4g4XDmMvKj06dqtsLgYbBxvfJKX5LE/view?usp=drivesdk
ER  -