Home – Home – Jornals – Flora and Vegetation of Asian Russia 2020 number 4

The composition and content of phenolic compounds in the leaves and infl orescences of Agrimonia pilosa Ledeb. in natural conditions and the introduction were determined by high-performance liquid chromatography (HPLC). The samples for the study were picked in natural cenopopulation of Altai Republic and Novosibirsk region and at the introduction division of the CSBG SB RAS. Flavonols, fl avones and phenolic acids is represented in plant extracts. Hyperoside, rutin and ellagic acid were identified as the main components in the above-ground organs of A. pilosa . The highest contents of rutin (6.31 mg/g) and hyperoside (4.53 mg/g) were found in infl orescences and leaves of plants from the Ust-Koksinsky district of the Altai Republic. A sample from the natural population of Novosibirsk region is released by the largest amount of ellagic acid in leaves (2.26 mg/g) and infl orescences (4.12 mg/g). The smallest content of all identified substances was detected in plants from the introduction population. It was found that the total fl avonoid content studied by spectrophotometric method in the above-ground organs of A. pilosa is quite high and ranges from 2.66 to 4.37 % in the leaves and from 3.15 to 4.87 % in inflorescences. It was noted that the content of individual flavonoids and the total content of flavonoids are higher in the infl orescences of A. pilosa than in the leaves.