THE INFLUENCE OF THE METEOROLOGICAL CONDITIONS ON THE COMPOSITION OF THE ESSENTIAL OIL OF ARTEMISIA SCOPARIA WALDST. ET KIT

DOI: https://doi.org/10.29296/25877313-2018-02-04
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Issue: 
2
Year: 
2018

S.V. Zhigzhitzhapova Ph.D. (Biol.), Institute of Nature Management Siberian Branch of Russian Academy of Sciences (Ulan-Ude) E.P. Dylenova Post-graduate Student, Baikal Institute of Nature Management Siberian Branch of Russian Academy of Sciences; Buryat State University (Ulan-Ude) T.E. Randalova Ph.D. (Pharm.), Buryat State University (Ulan-Ude) L.D. Radnaeva Dr.Sc. (Chem.), Baikal Institute of Nature Management Siberian Branch of Russian Academy of Sciences; Buryat State University (Ulan-Ude) A.S. Taraskina Assistent, Buryat State University (Ulan-Ude)

The composition of essential oils of Artemisia scoparia from the same population was analyzed during three years. The analysis of the composition of the essential oils of Artemisia scoparia isolated from plants collected at the same population allows to evaluate the effect of meteorological factors (temperature of atmospheric air, amount of precipitation) on the composition of essential oil. Some raw materials for obtaining essential oils were collected during expedition works in 2014−2016 (July-September) on the territory of the Republic of Buryatia, the Ivolginsky District. This essential oil was obtained by the method of hydrodistillation from the air-dried raw materials. The component composition of the oil was determined by chromatography-mass spectrometry. A number of compounds (β-myrcene, p-cymene, γ-terpinene, limonene, α- and β-pinenes, (E) -β-farnesene, caryophyllene and caryophyllene oxide, α-copaene, spathulenol) were identified in the oil composition every year. The main components of essential oils (content of which was 1% and higher) were found both in constant and sporadically appearing components. The list of dominant components of essential oils was: 2014 (July) - β-cubebene, caryophyllene, 1.8-cineole, γ-curcumene, (E) -β-farnesene ; 2015 (July) - germacrene D, spathulenol, caryophyllene oxide, ar-curcumene, (E, Z) -α-farnesene; 2015 (September) - germacrene D, γ-curcumene, caryophyllene and caryo-phyllene oxide, spathulenol, trans-β-ocimene and p-cymene, limonene, α- and β-pinenes, (E) -β-farnesene ; 2016 year - ar-curcumine, γ-curcumine, zingiberene, caryophyllene and caryophyllene oxide, spathulenol, trans-β-ocimene. The greatest structural diversity and the number of the oil components were noted in plants collected during the years, characterized by a deficit of precipita-tion in spring-summer seasons. The leading factor affecting on the composition of essential oil was the amount of precipitation in the growing season, which determines the moisture demand of plants in semi-arid ecosystems.

Keywords: 
Artemisia scoparia
essential oil
terpenoids
meteorological conditions
Buryatia

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