Comparative Analysis of the Component Composition of Flowers in Some Species of the Genus <i>Syringa</i> (Oleaceae)

Abstract

Abstract—Due to the insufficient knowledge of the lilac flowers component composition, a comparative analysis of 6 species of the genus Syringa L. from the collection of the South Ural Botanical Garden-Institute of the Ufa Federal Research Center RAS was carried out. S. emodi Wall., S. josikaea Jacg., S. komarowii Schneid., S. reticulata (Blume) H. Hara ssp. amurensis (Rupr.) P.S. Green et M.C. Chang, S. sweginzowii Koehne et Lingelsh, S. vulgaris L. were studied. The content of the major groups of biologically active compounds, namely flavonoids, hydroxycinnamic acids, tannins and organic acids, was established. The highest content of all identified groups of biologically active substances (BAS) was found in flowers of S. komarowii: flavonoids ‒ 4.25 ± 0.21%, hydroxycinnamic acids ‒ 6.13 ± 0.29%, tannins – 9.3 ± 0.5%, ascorbic acid ‒ 0.468 ± 0.022%, and organic acids ‒ 10.7 ± 0.5%. In S. emodi and S. sweginzowii the content of these BAS is little less than in S. komarowii, and the minimum amount of BAS was found in S. josikaea. A comparative analysis of the qualitative and quantitative profiles of the BAS major groups in some lilac species cultivated in the Republic of Bashkortostan shows the prospects for their further study with the objective of their possible use in scientific medicine, and for the development of herbal remedies.