Antioxidant properties of Chamisso arnica (Arnica chamissonis Less.) water infusions
KATARZYNA EDYTA OLESIŃSKA
Arnica chamissonis (Less.) is a perennial plant of the Asteraceae family, providing flowers heads used in the production of medicines and cosmetics. Their chemical composition and properties are relatively well known, however the characteristic of the other raw materials is incomplete. The aim of the study was to assess the content of flavonoids and polyphenols as well as the antioxidant properties of Chamisso arnica infusions depending on the type of raw material (Arnicae anthodium, Arnicae herba, Arnicae rhizoma) and soil conditions in the cultivated area. Raw material for chemical analyses was obtained from 3-year-old plants grown on sandy and loamy soil. The obtained results indicate that the highest flavonoid content was found in flower anthodium infusions. In turn, herb infusions contained the most polyphenols and showed the greatest ability to reduce Fe3+ ions and ABTS cation radical. The flavonoid content and value of the reduction strength of flower anthodium and herb infusions was significantly modified by soil conditions. Chamisso arnica obtained from loamy soil showed higher content of flavonoids and greater ability to reduce Fe3+ ions than that from sandy soil.
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