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Levisticum officinale hairy root cultures: influence of light and light type on...
Lima, A. Sofia; Sousa, Maria João; Pedro, L.G.; Figueiredo, A. Cristina; Barroso, J.G.; Deans, S.G.; Scheffer, J.J.C.The essential oils of Levisticum officinale W.D.J. Koch (Apiaceae), including those isolated from the roots, are used in the cosmetic, pharmaceutical and food industries [1]. This perennial and herbaceous plant, commonly known as lovage, is widely known by its aromatic, ornamental and medicinal properties. The effect of light and light type on growth and essential oil production of lovage hairy root cultures wa...
Chemical polymorphism of the essential oils from populations of Thymus caespiti...
Pereira, S. I.; Santos, P. A. G.; Barroso, J. G.; Figueiredo, A. C.; Pedro, L. G.; Salgueiro, L. R.; Deans, S. G.; Scheffer, J. J. C.The compositions of the essential oils isolated from the aerial parts of 11 populations of Thymus caespititius collected during the flowering phase on Pico, Faial and Graciosa (Azores) were studied by GC and GC-MS. The monoterpene fraction was dominant in all the oils analysed (55-90%) and consisted mainly of oxygen-containing compounds (44-79%). Sesquiterpenes represented an important fraction of the oils from...
Chemical polymorphism of the essential oils from populations of Thymus caespiti...
Pereira, S. I.; Santos, P. A. G.; Barroso, J. G.; Figueiredo, A. C.; Pedro, L. G.; Salgueiro, L. R.; Deans, S. G.; Scheffer, J. J. C.The compositions of the essential oils obtained from ten populations of Thymus caespititius grown on S. Jorge (Azores) were studied by GC and GC-MS. All the oils analysed were dominated by their monoterpene fraction (69-91%). The sesquiterpene fraction was rather small (4-17%) and consisted mainly of oxygen-containing compounds (3-13%). Enantiomeric ratio of sabinene and [alpha]-terpineol was investigated in th...
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