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The herbal drugs obtained from Arnica montana flowers arc known for their anti-inflammatory activity. However, there is no detailed data on chemical constituents of the whole Arnica plant. HPLC-DAD-ESI/MS analysis of the whole Arnica montana plant (Arnica TM), used in the preparation of allopathic and homeopathic medicinal products, has been conducted. The qualitative and quantitative analysis comprised phenolic acids, flavonoids and sesquiterpene lactones - helenalin and dihydrohelenalin esters identified earlier in Arnica flowers. The analyzed material showed to be a rich source of caffcoylquinic acid (CQA) derivatives, especially 3,5-di-O-caffeoylquinic acid. According to the literature data, the anti-inflammatory activity of extracts from the whole Arnica montana plant can he due to CQA presence as dominating compounds.

HPLC-DAD-ESI/MS Analysis of Arnica TM Constituents