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首页> 外文期刊>Biochemical Systematics and Ecology >Chemical composition of the essential oil of different varieties of thyme (Thymus pulegioides) growing wild in Lithuania
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Chemical composition of the essential oil of different varieties of thyme (Thymus pulegioides) growing wild in Lithuania

机译：立陶宛生长百里香（胸腺曲珠）百里香（胸腺曲珠）精油的化学成分

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摘要

Twenty-five samples of Thymus pulegioides L. representing two varieties of subsp. silvestris and four varieties of subsp. pulegioides were collected from 11 localities in Lithuania and the composition of their essential oil was analysed by capillary gas chromatography (GC) and mass spectrometry (MS). Five chemotypes have been defined for the species using hierarchical cluster analysis: (1) linalool (L)-one sample; (2) geranial/geraniol/neral (G/G/N)-11 samples; (3) thymol (T)-two samples; (4) carvacrol/gamma-terpinene/p-cymene (C/gammaT/pC)-seven samples; (5) thymol/carvacrol/p-cymene/gamma-terpinene (T/C/pC/gammaT)-four samples. It was concluded that there is no clear relation in essential oil composition between the studied taxa and the chemical types detected. Four different chemotypes were defined within the subsp. silvestris var. conglomeratus, three chemotypes within the subsp. pulegioides var. pulegioides and var. ovatus. The G/G/N-chemotype is the most frequently found, followed by the phenolic types, the linalool chemotype being recorded only once. Both infra-specific and intra-population chemical polymorphisms were recorded.
机译：二十五个胸腺曲珠样品L.代表两种次数。 Silvestris和四种亚木。从立陶宛的11个地方收集曲珠，并通过毛细管气相色谱（GC）和质谱（MS）分析它们的精油组合物。使用分层聚类分析的物种定义了五种趋化型：（1）Linalool（L）-one样本; （2）Geranial / Geraniol / Neral（G / G / N）-11样品; （3）胸腺（T）-TWO样品; （4）Carvacrol /γ-萜烯/ P-CYMENE（C / GAMMAT / PC）-SEVEN样本; （5）胸腺/碱/酸碱/γ-萜烯（T / C / PC / Gammat） - 样品。得出结论是，研究的分类群和所检测到的化学品类型之间的精油组成没有明确的关系。在亚数据中定义了四种不同的嗜型。 Silvestris var。 Conglomeratus，Subsp内的三种化学物质。曲珠瓦尔。曲珠和瓦尔。 ovatus。 G / G / N-趋化型是最常见的，其次是酚类类型，Linalool Chemotype仅记录一次。记录了特异性和群体内部化学多态性。

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