Application of gas chromatography and liquid sampling mass spectrometry for analysis of essential oil from leaf, bark and pericarp of laurel from Montenegro

Ten samples of essential oils from leaf, bark and pericarp of laurel, originating from Montenegro were analysed by gas chromatography (GC/FID and GC/MS) and liquid sampling mass spectrometry (LS/MS). Along to the clear chemical differentiation of oil samples from distinct parts of laurel determined by GC/FID and GC/MS, it was shown that similar and even better distinction of tested samples can be achieved by liquid sampling mass spectrometry (LS/MS), followed by strong statistical analysis. Since time required for LS/MS is significantly shorter than that needed to GC, LS/MS technique could be used as powerful screening tool wherever big number of volatile samples should be analysed.

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