Terpenoid composition and origin of amber from the Cape York Peninsula, Australia

作者: O. O. Sonibare , O. B. Agbaje , D. E. Jacob , J. Faithfull , T. Hoffmann

DOI: 10.1080/08120099.2014.960897

关键词: AraucariaceaeCadaleneAgathisEcologyPeninsulaCapeGeologyDipterocarpaceaeVegetationTerpenoidBotany

摘要: The terpenoid composition of fossil resin from the Cape York Peninsula, Australia has been analysed by pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) to determine its origin. pyrolysis products were dominated cadalene-based C15 bicyclic sesquiterpenoids including some C30–C31 bicadinanes and bicadinenes typical Class II derived angiosperm plants Dipterocarpaceae. This observation contrasts with Araucariaceae (Agathis sp.) source previously suggested for based on Fourier transform infrared (FTIR) analyses. Dipterocarpaceae are not known in Australian vegetation but grow abundantly Southeast Asia New Guinea, indicating that geological origin amber is mainland could be traced Asia.

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