ANALYSIS OF VOLATILE COMPOUNDS OF OFFICINAL TILIAE FLOS BY GAS –CHROMATOGRAPHY COUPLED WITH MASS SPECTROMETRY.
VALERIA RĂDULESCU, ELIZA OPREA
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Abstract:

The hydro-distilled and the infusion obtained from Tilia platyphyllos (Tiliaceae) flowers were extracted on 500mg octadecylsilane (C18) cartridges. The volatile compounds retained on C18 cartridge were eluted with dichloromethane. The hydro-distilled and infusion extracts were analyzed by gas chromatography coupled with mass spectrometry (GC/MS). In hydro-distilled and infusion extracts were identified 36 and 20 compounds, respectively. The main constituents of hydro-distilled were 2-phenylethanol with 26.07%, six monoterpenic hydrocarbons, eight monoterpenic alcohols, four phenol-ethers, eight carbonylic compounds, four esters and four alkanes. In the infusion extract, 2-phenylethanol represented 29.48% of the total area; other important compounds were: six monoterpenic hydrocarbons (totalling 12.23%) and six alkanes (22.17%). A few other major compounds were also identified: 2-phenylethyl butanoate (12.11%), 4-methyl-2.6-ditertbuthylphenol (5.01%), vomifoliol (4.44%).

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