The Thyme L. genus is quite common in Ukraine, herbal extracts are part of many effective herbal medicinal products that are widely used in modern phytocosmetology. Today, genus Thymus x citriodorus (Pers.) Schreb. var. "Silver Queen" is poorly studied but promising in terms of sufficient raw material base and BAS. Therefore, the GC-MS method of designating the component of the extract from herb splint is relevant. The aim of the work is to determine by the GC-MS method of the component alcohol

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... extracts (1:10) compositions of Thymus x citriodorus (Pers.) Schreb. var. "Silver Queen" herbs from Ukrainian flora. Materials and methods. For the experimental studies, we used alcoholic extracts of Thymus х citriodorus (Pers.) Schreb. var. "Silver Queen" from herbs (1:10) harvested from Ukrainian flora. The component composition of extracts was analyzed using an Agilent 7890B gas chromatography with 5977B a mass – spectrometric detector. Results. By the GC-MS method were revealed up to 63 compounds. Two compounds were not identified. It is important to note, that seven biologically active compounds were revealed in a concentration over 5 %: oleic acid (10.35 ± 1.42 %), caryophyllene oxide (9.62 ± 0.97 %), matricarin (7.59 ± 0.86 %), trans-citral (6.35 ± 0.75 %), β-bisabolene (6.15 ± 0.75 %), thymol (5.46 ± 0.70 %). Conclusions. Taking into account by GC-MS method, it can be concluded that the studied species is relevant for further phytochemical study.