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    Terpenoid composition and botanical affinity of Cretaceous resins from India and Myanmar

    Access Status
    Fulltext not available
    Authors
    Dutta, S.
    Mallick, M.
    Kumar, K.
    Mann, U.
    Greenwood, Paul
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Dutta, S. and Mallick, M. and Kumar, K. and Mann, U. and Greenwood, P. 2011. Terpenoid composition and botanical affinity of Cretaceous resins from India and Myanmar. International Journal of Coal Geology. 85 (1): pp. 49-55.
    Source Title
    International Journal of Coal Geology
    DOI
    10.1016/j.coal.2010.09.006
    ISSN
    0166-5162
    School
    Department of Chemistry
    URI
    http://hdl.handle.net/20.500.11937/58652
    Collection
    • Curtin Research Publications
    Abstract

    Fossil resins from the Cretaceous sediments of Meghalaya, India and Kachin, Myanmar (Burma) were analysed using Curie point pyrolysis-gas chromatography-mass spectrometry and thermochemolysis gas chromatography-mass spectrometry to help elucidate their botanical source. The major pyrolysis products and methyl-esterified thermochemolysis products of both the resins were abietane and labdane type diterpenoids with minor amount of sesquiterpenoids. The thermochemolysis products also included methyl-16,17-dinor callitrisate, methyl-16,17-dinor dehydroabietate and methyl-8-pimaren-18-oate-the latter two from just the Myanmarese resin. The exclusive presence of both labdane and abietane diterpenoids and the lack of phenolic terpenoids may suggest that the studied Cretaceous resins were derived from Pinaceae (pine family) conifers. © 2010 Elsevier B.V.

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