Seasonal Variations in the Composition of the Essential Oils of Rosemary (Rosmarinus officinalis, Lamiaceae)
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Seasonal variations in the composition of the essential oils obtained from rosemary plants of the same genotype cultivated in Belgrade were determined by GC and GC/MS. The main constituents were camphor (18.2 - 28.1%), 1,8-cineole (6.4-18.0%), alpha-pinene (9.7-13.5%), borneol (4.4-9.5%), camphene (5.1-8.7%), beta-pinene (2.1-8.1%), beta-phellandrene (4.6-6.5%), myrcene (3.4-5.9%) and bornyl acetate (0.2-7.9%). Cluster analysis showed that 16 samples that had been collected each month during the vegetative cycle can be separated into three main clades with different compositions of essential oils. In the shoots with fruits ('fruits' - Clade I) and shoots with developed leaves ('old shoots' - Clade III) camphor is dominant. In shoots with young and incompletely developed leaves ('young shoot' - Clade II) camphor and 1,8-cineole had almost the same concentration. The fact that the same genotype during the growing seasons can synthesize oils that are so different that they can be classifi...ed as different chemotypes confirms the opinion that the chemical composition of essential oils sometimes critically depends on the time of collection. Also, for the definition of chemotypes it is not enough to base this on a chemical analysis of an oil from one phenophase only.
Keywords:
Rosmarinus officinalis / Essential oils / Seasonal variations / Cluster analysisSource:
Natural Product Communications, 2013, 8, 1, 131-134Publisher:
- Natural Products Inc, Westerville
Funding / projects:
- Investigation on the medicinal plants: morphological, chemical and pharmacological characterisation (RS-173021)
- Plant Biodiversity of Serbia and the Balkans - assesment, sustainable use and protection (RS-173030)
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PharmacyTY - JOUR AU - Lakušić, Dmitar AU - Ristić, Mihailo AU - Slavkovska, Violeta AU - Lakušić, Branislava PY - 2013 UR - https://farfar.pharmacy.bg.ac.rs/handle/123456789/1937 AB - Seasonal variations in the composition of the essential oils obtained from rosemary plants of the same genotype cultivated in Belgrade were determined by GC and GC/MS. The main constituents were camphor (18.2 - 28.1%), 1,8-cineole (6.4-18.0%), alpha-pinene (9.7-13.5%), borneol (4.4-9.5%), camphene (5.1-8.7%), beta-pinene (2.1-8.1%), beta-phellandrene (4.6-6.5%), myrcene (3.4-5.9%) and bornyl acetate (0.2-7.9%). Cluster analysis showed that 16 samples that had been collected each month during the vegetative cycle can be separated into three main clades with different compositions of essential oils. In the shoots with fruits ('fruits' - Clade I) and shoots with developed leaves ('old shoots' - Clade III) camphor is dominant. In shoots with young and incompletely developed leaves ('young shoot' - Clade II) camphor and 1,8-cineole had almost the same concentration. The fact that the same genotype during the growing seasons can synthesize oils that are so different that they can be classified as different chemotypes confirms the opinion that the chemical composition of essential oils sometimes critically depends on the time of collection. Also, for the definition of chemotypes it is not enough to base this on a chemical analysis of an oil from one phenophase only. PB - Natural Products Inc, Westerville T2 - Natural Product Communications T1 - Seasonal Variations in the Composition of the Essential Oils of Rosemary (Rosmarinus officinalis, Lamiaceae) VL - 8 IS - 1 SP - 131 EP - 134 UR - https://hdl.handle.net/21.15107/rcub_farfar_1937 ER -
@article{ author = "Lakušić, Dmitar and Ristić, Mihailo and Slavkovska, Violeta and Lakušić, Branislava", year = "2013", abstract = "Seasonal variations in the composition of the essential oils obtained from rosemary plants of the same genotype cultivated in Belgrade were determined by GC and GC/MS. The main constituents were camphor (18.2 - 28.1%), 1,8-cineole (6.4-18.0%), alpha-pinene (9.7-13.5%), borneol (4.4-9.5%), camphene (5.1-8.7%), beta-pinene (2.1-8.1%), beta-phellandrene (4.6-6.5%), myrcene (3.4-5.9%) and bornyl acetate (0.2-7.9%). Cluster analysis showed that 16 samples that had been collected each month during the vegetative cycle can be separated into three main clades with different compositions of essential oils. In the shoots with fruits ('fruits' - Clade I) and shoots with developed leaves ('old shoots' - Clade III) camphor is dominant. In shoots with young and incompletely developed leaves ('young shoot' - Clade II) camphor and 1,8-cineole had almost the same concentration. The fact that the same genotype during the growing seasons can synthesize oils that are so different that they can be classified as different chemotypes confirms the opinion that the chemical composition of essential oils sometimes critically depends on the time of collection. Also, for the definition of chemotypes it is not enough to base this on a chemical analysis of an oil from one phenophase only.", publisher = "Natural Products Inc, Westerville", journal = "Natural Product Communications", title = "Seasonal Variations in the Composition of the Essential Oils of Rosemary (Rosmarinus officinalis, Lamiaceae)", volume = "8", number = "1", pages = "131-134", url = "https://hdl.handle.net/21.15107/rcub_farfar_1937" }
Lakušić, D., Ristić, M., Slavkovska, V.,& Lakušić, B.. (2013). Seasonal Variations in the Composition of the Essential Oils of Rosemary (Rosmarinus officinalis, Lamiaceae). in Natural Product Communications Natural Products Inc, Westerville., 8(1), 131-134. https://hdl.handle.net/21.15107/rcub_farfar_1937
Lakušić D, Ristić M, Slavkovska V, Lakušić B. Seasonal Variations in the Composition of the Essential Oils of Rosemary (Rosmarinus officinalis, Lamiaceae). in Natural Product Communications. 2013;8(1):131-134. https://hdl.handle.net/21.15107/rcub_farfar_1937 .
Lakušić, Dmitar, Ristić, Mihailo, Slavkovska, Violeta, Lakušić, Branislava, "Seasonal Variations in the Composition of the Essential Oils of Rosemary (Rosmarinus officinalis, Lamiaceae)" in Natural Product Communications, 8, no. 1 (2013):131-134, https://hdl.handle.net/21.15107/rcub_farfar_1937 .