Phenological Variations in the Content of Polyphenols and Triterpenoids in Herb Originating from Ukraine.

The composition of secondary metabolites undergoes significant changes in plants depending on the growth phase and the influence of environmental factors. Therefore, it is important to determine the harvesting time of plant material for the optimum secondary metabolite profile and therapeutic activity of the primary material. The shoots of are used as a healing tea due to the presence of polyphenolic compounds.