The composition of essential oils from Stachys byzantina was studied by simple method based on gas chromatography-mass spectrophotometry (GC-MS) following microwave assisted headspace single-drop microextraction (MA-HS-SDME) method. Several parameters affecting MA-HS-SDME such as sample mass, solvent volume, extraction time, microwave power and the nature of extracting solvent were optimised. The MA-HS-SDME method was compared with traditional hydrodistillation (HD) method. Within the study elaborated, thirty-eight components were extracted and identified. Compared with HD, MA-HS-SDME is an easy, rapid and efficient method for the analysis of essential oils in S. byzantina.
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