The monoterpene fraction of the essential oil ofNepeta transcaucasica

Mishurova, S. S.; Shikhiev, A. Sh.

doi:10.1007/bf00565541

Cited by 1 publication

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“…For the species N. transcaucasica, yield data also differ from those published in the literature by Mishurova and Shikhiev (0.94%) and Pelyakh et al (0.8–1.4%). The soil and climatic conditions can explain the established differences in the amount of essential oil in both species during the vegetation of the plants.…”

Section: Discussioncontrasting

confidence: 76%

“…According to Baranauskienė et al , 20 the main compounds were oxygenated monoterpenes such as citronellol (17.69%), geranial (9.05%), and geranyl acetate (8.20%). Mishurova and Shikhiev 31 determined that the main compounds were monoterpene hydrocarbons such as α-pinene (2.2%), β-pinene (11.8%), myrcene (0.5%), limonene (7.4%), and γ-terpinene (7.81%); by Pelyakh et al , 32 the main compounds were oxygenated monoterpenes such as citral (8.1–24.6%) and citronellol (21.6–54.8%). Kilic 33 reported that the main compound was oxygenated monoterpene 1,8-cineole (14.4%).…”

Section: Discussionmentioning

confidence: 99%

“…transcaucasica essential oil has been the subject of less research. It was established that its main components were monoterpene hydrocarbons such as α-pinene, β-pinene, myrcene, limonene, and γ -terpinene and their oxygenated derivatives such as citral, citronellol, and 1,8-cineole ,, as well as nepetalactones. ,, The essential oil has proven antimicrobial activity. , …”

Section: Introductionmentioning

confidence: 99%

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Chemical Composition of Essential Oils from Nepeta transcaucasica Grossh. and Nepeta cataria L. Cultivated in Bulgaria and Their Antimicrobial and Antioxidant Activity

et al. 2023

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The genus Nepeta, belonging to the family Lamiaceae, includes about 300 species, most of which are used in folk medicine due to their pronounced biological properties. The aim of the present study was to evaluate the agrobiological characteristics of Nepeta transcaucasica (N. transcaucasica) Grossh. and Nepeta cataria (N. cataria) L., cultivated in Bulgaria, and obtain their essential oils and determine their antimicrobial and antioxidant activities. The agrobiological characteristics of the two species growing in Kazanlak were analyzed; therefore, high variability in the population of N. transcaucasica and comparative homogeneity in N. cataria was shown. The species N. transcaucasica contained 0.28% essential oil with main components β-citronellol (52.05%), eucalyptol (7.34%), β-citronellal (6.06%), germacrene D (5.45%), (Z)-β-ocimene (5.14%), and β-caryophyllene (3.06%). The species N. cataria consisted of 0.19% essential oil with main components β-citronellol (26.31%), geraniol (15.92%), neral (11.45%), nerol (9.56%), carvacrol (6.04%), and β-citronellal (5.35%). The antibacterial activity against Gram-positive bacteria Listeria monocytogenes and Staphylococcus aureus and Gram-negative bacteria Escherichia coli (E. coli) and Salmonella enterica subsp. enterica serovar Abony was determined. The essential oils showed antimicrobial activity only against E. coli. The diameters of the inhibition zones were found to be 26 mm for the species N. transcaucasica and 10 mm for the species N. cataria. The antioxidant activity of the two essential oils was also determined by four different methods, DPPH, ABTS, FRAP, and CUPRAC, with the highest values for the ABTS radical, for the species N. transcaucasica (48.72 μM TE/mL), and the species N. cataria (310 μM TE/mL).

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Section: Discussioncontrasting

confidence: 76%