STUDY OF COMPOSITION AND ANTIMICROBIAL ACTIVITY OF ESSENTIAL OILS OF A SERIES OF CONIFEROUS TREES

UDC 630.187.1+630.551.52

  • Lamotkin Sergej Aleksandrovich – PhD (Chemistry), Associate Professor, Assistant Professor, the Department of Physical-Chemical Methods for Products Certification. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: jossby@rambler.ru

  • Akhramovich Tatyana Igorevna – PhD (Biological), Associate Professor, Assistant Professor, the Department of Biotechnology. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: ahramovich@belstu.by

  • Sakovich Anna Viktorovna – student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: annasakovich1@gmail.com

  • Budkovskaya Daria Aleksandrovna – student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: dbudkovskaya@gmail.com

DOI: https://doi.org/10.52065/2520-2669-2021-247-2-94-99

Key words: Scots pine (Pinus sylvestris L.), Norway spruce (Picea abies (L.) Karst.), White spruce (Picea glauca), essential oil, composition, antimicrobial activity.

For citation: Lamotkin S. A., Akhramovich T. I., Sakovich A. V., Budkovskaya D. A. Study of composition and antimicrobial activity of essential oils of a series of coniferous trees. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2021, no. 2 (247), pp. 94–99 (In Russian).DOI: https://doi.org/10.52065/2520-2669-2021-247-2-94-99.

Abstract

Samples of the woody greens of Scots pine (Pinus sylvestris L.), Norway spruce (Picea abies (L.) Karst.) and White spruce (Picea glauca) were selected from trees in the natural forest areas in winter and summer. Sampling of green wood from coniferous plants was carried out in an ecologically clean zone and on the territory contaminated with toxic elements. Essential oil was allocated from all the taken samples, the content of which significantly depended on the time and place of sampling. Using the methods of NMR spectroscopy and gas-liquid chromatography, the group composition of the oils was analyzed and the contents of α-pinene, 3-karen, camphene, limonene, 1,8-cineole, and camphor, as the main compounds in essential oils, were measured. It was established that the composition of the oils substantially depends on the place and time of sampling. The antibacterial activity of essential oils was evaluated with the diffusion method. It is shown that the antimicrobial properties of essential oils significantly depend on their component composition. Recommendations are given on the practical aspects of the harvesting of woody greens and using of essential oils.

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30.04.2021