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GC/MS analysis of essential oil in herb of St. John's Wort (Hypericum perforatum L.)

Tadeusz Wolski* **, Agnieszka Ludwiczuk*, Marek Mardarowicz***

***Department of Pharmacognosy
***Medicinal University of Lublin
***Peowiaków 12, 20-007 Lublin, Poland
***Department of Vegetable and Medicinal Plants
***Agricultural University of Lublin
***Leszczyńskiego 58, 20-068 Lublin, Poland
***Department of Chemical Physics and Physicochemical Methods of Separation
***M.C. Skłodowska University
***M.C. Skłodowskiej 3, 20-031 Lublin, Poland

The aim of present study was to analyse the content and composition of essential oil occurring in St. John's wort herb. Also, moisture and ash were determined. GC/MS analysis revealed the presence of 62 compounds, among which 48 were identified. The latter compounds belonged to mono- and sesquiterpenes, aliphatic and aromatic hydrocarbons, alcohols, aldehydes, and ketones. The main compounds were: 2-methyloctane, α- and β-pinene, β-caryophyllene, caryophyllene oxide, and spathulenol.

Wolski T., Ludwiczuk A., Mardarowicz M., 2003. GC/MS analysis of essential oil in herb of St. John's Wort (Hypericum perforatum L.). Folia Horticulturae 15/1: 157-163.