Determination of the amount of polyphenolic compounds in aqueous extracts of inflorescences of representatives of the genus Arnica L. growing under conditions of introduction

   Plants of the genus Arnica (Arnica L.) are perennial herbaceous species growing in the forest meadows of Western and Central Europe and successfully introduced into the Arctic zone of the Russian Federation. The inflorescences of arnica plants have anti-inflammatory, analgesic, antioxidant, anti-osteoporosis, anxiolytic, immunomodulatory, protective, and anticancer properties due to the synthesis of a significant number of secondary metabolites. As a result of the intensive collection of mountain arnica as medicinal raw materials, this species is currently listed in the Red Book of the International Union for the Conservation of Nature and Natural Resources, which necessitates the identification of species that are not inferior in phenolic compounds and the creation of a raw material base in order to provide raw materials for the production of phytopreparations from arnica plants.

   Thus, the purpose of this work was to determine the total content of phenolic compounds in aqueous extracts of plants of the genus Arnica L. growing under conditions of introduction in an open introduction nursery of perennial herbaceous plants of the Polar Alpine Botanical Garden-Institute named after A.N.

   Avrorin of the KSC RAS in the Kirovsky district of the Murmansk region. In accordance with the Regulation of the European Union No. 1907/2006, "Registration, assessment, authorization and restriction of chemicals", adopted on 12/16/2008, PNST 331 – 2018 "Green" standards. "Green" products and "green" technologies. Classification, adopted on December 25, 2018 and amendments to Federal Law No. 61 of the Russian Federation "On the Circulation of Medicines", adopted on 08.08.2024, aqueous extracts of inflorescences of various types of arnica plants were obtained by ultrasonic extraction. The total content of polyphenols and flavonoids was determined. The largest amount of polyphenols and flavonoids was found in extracts of Arnica longifolia and Arnica mollis inflorescences, respectively. The results obtained can be used in the pharmaceutical and cosmetology industries.

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