Analysis of the Essential Oil of Indonesian Patchouli ( <i>Pogostemon cablin</i> Benth.) Using GC/MS (EI/CI)

Abstract

Abstract A patchouli oil from Indonesia was analyzed qualitatively and quantitatively by GC (FID) and GC/MS. Using different ionization techniques in mass spectrometry (EI, NCI and PCI with ammonia and deuterated ammonia as reagent gases), 41 compounds were separated, 28 of which (92.9% of the total oil) were identified. Four new compounds were found in this oil: γ-gurjunene (2.2%), germacrene D (0.2%), aciphyllene (3.4%) and 7-epi-α- selinene (0.2%).