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Essential oil composition and variability of Thymus lotocephalus and Thymus×mourae
Salgueiro, Lígia R.; Vila, Roser; Tomàs, Xavier; Cañigueral, Salvador; Paiva, Jorge; Cunha, António Proença da; Adzet, TomàsThe composition of the essential oils of four populations of Thymus lotocephalus G. López and R. Morales and one population of T.×mourae Paiva and Salgueiro, two endemic taxa from Portugal, was investigated mainly by GC and GC-MS. T×mourae is a natural hybrid between T. lotocephalus and T. mastichina (L.) L. subsp. donyanae R. Morales, which essential oil was analysed for the first time. In its oil, it was poss...
Chemotaxonomic study on Thymus villosus from Portugal
Salgueiro, Lígia R.; Vila, Roser; Tomàs, Xavier; Cañigueral, Salvador; Paiva, Jorge; Cunha, António Proença da; Adzet, TomàsThe composition of the essential oils of four populations of Thymus villosus subsp. lusitanicus (Boiss.) Coutinho from Portugal was investigated by GC and GC-MS. To study the chemical polymorphism the results obtained from GC analyses of the volatile oils from individual plants from four populations were submited to Principal Component and Cluster analyses. A comparision with the essential oil of T. villosus su...
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