Chemical composition of the essential oil from Calamintha nepeta (L.) Savi plants growing in the flora of Azerbaijan | Essential oil of Calamintha nepeta
2018
Zeynalova, Sevil
In this work, we investigated the chemical constituents of the essential oil extracted from the aerial parts of Calamintha nepeta (L.) Savi (Laminaceae Lindl.). The aerial parts of C. nepeta collected from in flowering time from the village Tengalti and the near of Velvelechay river of Quba region. The essential oil was obtained ant by hydrodistillation. The amounts of the essential oil extracted from the above-ground portion of were 0.8-1.2%. The color of oil was yellow with pleasant mint-like smell. Essential oil was analyzed for their chemical composition by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). In all, 78 compounds were identified, the major components were: Thymol (19.81%), Cyclopropane, 1,1-diethyl- (19.77%), Cyclohexanone, 3-vinyl-3-methyl- (18.66%), D-Limonene (7.45%), Caryophyllene (6.16%), the minor components were: beta.-Pinene (1.46%), 3-Octanol (1.85%), Terpinen-4-ol (1.43%), alpha.-Terpineol (1.6%), 1,4,7,-Cycloundecatriene, 1,5,9,9- tetramethyl-, Z,Z,Z- (3.10%), Germacrene D (1.18%), Caryophyllene oxide (2.41%), 12-Oxabicyclo [9.1.0]dodeca-3,7-diene, 1,5,5,8-tetramethyl-, [1R-(1R*,3E,7E,11R*)] (1.32%). The components which the percentage of content less than one -alpha-Pinene (0.75%), Cyclohexanol, 1-methyl-4-(1-methylethenyl)-, cis- (0.85%), beta.-Ocimene (0.74%), O-Cymen-5-OL (0.76%), 2-Dimethylamino-3-methylpyridine (0.77%), 3,4-Dimethoxytoluene (0.54%), 10,10-Dimethyl-2,6-Dimethylenebicyclo[7.2.0]undecan-5.beta.-ol (0.49%), Alloaromadendrene (0.35%), trans-Z-.alpha.-Bisabolene epoxide (0.38%) et al. This is the first report on the chemical compounds of the essential oil of this species growing in the territory of Azerbaijan.
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This bibliographic record has been provided by Institute of Botany, Ministry of Science and Education of the Republic of Azerbaijan