Rosavin content in the golden root raw material (Rhodiola rosea L.)

The purpose of the study is to assess the content of rosavin in collection samples of Rhodiola rosea. At FSBRI VILAR in 2020-2023 the study of Rhodiola rosea from different regions continued: the cultivated population VILAR (Altai, 1980), the population from the botanical garden of SSU named after Pitirim Sorokin (Syktyvkar, Komi Republic), introduced population from the Polar-Alpine Botanical Garden-Institute named after N.A. Avrorin (PABSI) of the Kola Scientific Center of the Russian Academy of Sciences (Kirovsk, Murmansk Region), population of the botanical garden of the University of Innsbruck (Austria). To determine the bioproductivity of plants of the fourth year of life, they were dug up in autumn or early spring, according to the requirements of the Pharmacopoeia. To determine the most promising sample in terms of the presence of active substances, an analysis of the rosavin content in the studied populations was carried out using ultra-performance liquid chromatography. The obtained data on the quantitative content of rosavin showed high phytochemical variability of the studied samples. The highest content of rosavin was found in the population from Komi, it was 24.12 mg/g. In samples from the PABSI and VILAR populations, the rosavin content was 13.69 and 12.70 mg/g, respectively. In the rhizomes and roots of the population from the botanical garden of the University of Innsbruck, the content of rosavine was 6.40 mg/g. When calculating the collection of rosavin from 1 m2, it was revealed that the population from Komi, despite the lower yield, surpasses all other populations in terms of the total yield of rosavin. It can be considered the most valuable, since with lower costs for cleaning and processing of raw materials it provides the highest yield of the target substance.