Volatiles of Thymus serpyllum L. were obtained by hydrodistillation (HD), simultaneous hydrodistillation, and extraction (SDE) and static headspace gas chromatography-mass spectrometry analysis (head space [HS]), respectively. Monoterpenes were the most dominant in all 3 techniques (84.8%-94.2%). Essential oil profiles obtained by HD and SDE were similar, with oxygenated monoterpenes being the most abundant (up to 75.4%). In HS volatiles of T. serpyllum monoterpene hydrocarbons strongly dominated (94.2%). The main compounds were α-terpinyl acetate (HD and SDE) and myrcene (HS).
Сажетак: Истраживањем вегетације планине Видлич на југоистоку Србије, посебно смо обратили пажњу на ароматичну флору. Фитоценолошка истраживања вегетације смо обавили методом Браун Бланкеа. Дали смо детаљан преглед заступљености ароматичних биљака у истраживаним и описаним биљним заједницама на планини Видлич. Значајна карактеристика Видлича је велика разноврсност шумских и ливадско-пашњачких биљних заједница и присутних ароматичних биљака у њима. Ароматичне биљке су забележене у 27 различитих биљних заједница на Видличу, од чега су 14 шумске, а 13 ливадско-пашњачке. Највећи број ароматичних биљака пронађен је у заједници јоргована (Syringetum vulgaris). Врсте Achillea millefolium и Teucrium chamaedrys имају највећу заступљеност у по 13 типова различитих заједница. Abstract: While doing researches of vegetation of the Vidlič Mountain in sutheastern Serbia, we were focused on the aromatic flora. Phytocenologi-* marijam@pmf.ni.ac.rs 1 Овај рад је урађен у оквиру пројеката Министарства просвете, науке и технолошког развоја Републике Србије ОИ 171025 и ТР 31070. М. Марковић и сар.: Преглед ароматичних биљака... Пиротски зборник 44 (2019) 65-85 cal studies of vegetation were carried out in accordance with the method of Braun-Blanquet. The detailed review of the presence of aromatic plants in investigated and described plant communities on the Vidlič Mountain, are presented here. The significant characteristic of the Vidlič mountain is the great diversity of forest and meadow-pasture communities and present aromatic plants. Aromatic plants were recorded in 27 diffrent plant communities: 14 forest communities and 13 medow-pasture communities. The largest number of aromatic plants was found in the community Syringetum vulgaris. Achillea millefolium and Teucrium chamaedrys have the highest representation in 13 types of different communities. Кључне речи: планина, Видлич, ароматичне биљке, биљне заједнице, шумске заједнице, ливадско-пашњачке заједнице
Terpene compounds of Tanacetum macrophyllum as 1) essential oils, obtained by hydrodistillation (HD), 2) essential oil extracts, obtained by simultaneous hydrodistillation and extraction (SDE) and 3) volatiles, obtained by Static Headspace GC-MS analysis (HS) were processed. Monoterpenes were the most dominant (49.2%, 49.5% and 90.4%, respectively). Profiles of essential oils obtained by HD and SD were quite similar, with oxygenated monoterpenes (39.3% and 39.4%) being the most abundant. In HS volatiles oxygenated monoterpenes also dominated (57.4%). Total sesquiterpenes were abundant in HD and SDE volatiles (38.2% and 39.2%, resp.), where sesquiterpene hydrocarbons were prevalent (27.3% and 28.7%, resp.). Germacrene D was dominant in HD and SDE oils (22.0% and 23.3%, resp.) and 1,8-cineole in HS volatiles (34.3%). To our knowledge, this is the first use of Headspace technique on T. macrophyllum. Furthermore, this is the first comparison of different techniques of volatile extraction in T. macrophyllum.
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