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Influence of ecological and geographical conditions on the content of phenolic compounds and ascorbic acid of medicinal plants

The aim of our study was to evaluate the dependence of the accumulation of phenolic compounds (soluble phenolic compounds and tannins) and ascorbic acid in different parts of three medicinal plants: Bidens tripartita, Urtica dioica and Chenopodium album on the place of growth. The plants were collected from three regions of Tatarstan (Vysokogorsky, Laishevsky and Spassky region. The results showed that the accumulation of these substances in the studied plants differs in different parts of the plants, depending on the place of growth. B. tripartita is the richest in the studied substances. Vysokogorsky and Spassky regions turned out to be areas with the best plant raw materials.