| The Content Variation of Natural Product Induced by Different Factor(s) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Species Name: Glechoma hederacea | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factor Name: Locality Variation | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Experiment Detail |
Samples of Glechoma hederacea were collected at full flowering in seven localities in Vilnius district (Lithuania) at 2005: A - Salininkai, B -Zolyno, C - Mistunai, D -Antakalnis, E - Nemencine, F - Seskine, G -Zujunai.
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| Factor Function |
More than half of the oils were rich in sesquiterpene hydrocarbons (56.5-67.9%). The most predominant compound was germacrene D (14.1-20.7%). The other main constituents were gamma-elemene (9.0-16.0%), beta-elemene (8.7-12.9%), phytols (2.8-15.6%), (Z)-beta-ocimene (2.2-8.5%), 1,8-cineole (92.2-5.4%), beta-ylangene (2.7-4.1%) and germacrene B (2.2-3.9%). Forty-three identified compounds made up 89.1-96.2%. Four oils (A, D-G) might be attributed to germacrene / elemene chemotype and three samples (A-C) containing marked amounts of phytols beside above compounds were of germacrene/elemene/phytols chemotype.
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| Factor | Part | Location | NP Content | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Locality: Antakalnis, Lithuania
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Aerial parts | Lithuania |
NP Content: 1.6 %
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Locality: Seskine, Lithuania
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Aerial parts | Lithuania |
NP Content: 0.2 %
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Locality: Zujunai, Lithuania
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Aerial parts | Lithuania |
NP Content: 0.2 %
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| Species Name: Teucrium chamaedrys | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factor Name: Locality Variation | [2] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Experiment Detail |
The aerial parts of T. chamaedrys were collected at the flowering stage in June 2004 near Corti, Corsica, France and near Oristano, Sardinia, Italy
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| Factor Function |
The Corsican and Sardinian oils of T. chamaedrys investigated in this study were qualitatively similar but they differed by the amount of their major components. The major components were beta-caryophyllene (29.0% and 27.4%, respectively) and germacrene D (19.4% and 13.5%, respectively), followed by alpha-humulene (6.8%) and delta-cadinene (5.4%) in the Corsican oil and by caryophyllene oxide (12.3%) and alpha-humulene (6.5%) in the Sardinian oil. These quantitative differences are also noticeable on the amounts of the different class compounds. Especially, the monoterpene hydrocarbons amounted for 10.3% and 4.1% in Sardinian and Corsican oils respectively and the oxygenated sesquiterpenes amounted for 18.9% and only 7.4% in both oils, respectively. Both oils were qualitatively rather similar in comparison with those reported in the literature from various geographic regions. However, among the 87 components identified in this study, 47 minor components (< 0.6%) reported were identified for the first time in T. chamaedrys oil. This study confirms the quantitative variability of the major components according to the plant origin.
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| Factor | Part | Location | NP Content | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Locality: Corti, Corsica, France
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Aerial parts | France |
NP Content: 0.1 %
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Locality: Oristano, Sardinia, Italy
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Aerial parts | Italy |
NP Content: <0.05 %
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| References | ||||||||||||||||||||||||
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| 1 | The Essential Oil of Ground Ivy (Glechoma hederacea L) Growing Wild In Eastern Lithuania | |||||||||||||||||||||||
| 2 | Chemical Composition of the Essential Oils of Teucrium chamaedrys L. from Corsica and Sardinia | |||||||||||||||||||||||