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    Production of the seed germination stimulant karrikinolide from combustion of simple carbohydrates

    Access Status
    Fulltext not available
    Authors
    Flematti, G.
    Scaffidi, A.
    Dixon, Kingsley
    Smith, S.
    Ghisalberti, E.
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Flematti, G. and Scaffidi, A. and Dixon, K. and Smith, S. and Ghisalberti, E. 2011. Production of the seed germination stimulant karrikinolide from combustion of simple carbohydrates. Journal of Agricultural and Food Chemistry. 59 (4): pp. 1195-1198.
    Source Title
    Journal of Agricultural and Food Chemistry
    DOI
    10.1021/jf1041728
    ISSN
    0021-8561
    School
    Department of Environment and Agriculture
    URI
    http://hdl.handle.net/20.500.11937/38240
    Collection
    • Curtin Research Publications
    Abstract

    The naturally occurring seed germination stimulant karrikinolide is formed from the combustion of plant material including cellulose. It has previously been reported that combustion of simple carbohydrates such as d-glucose does not produce extracts containing karrikinolide. Moreover, it was reported that extracts with germination-promoting ability could be obtained only by combustion of simple carbohydrates in the presence of amino acids such as l-glycine. By employing a 13C-labeled karrikinolide to physically quantify natural karrikinolide, we now show that it is produced from combustion of simple carbohydrates in similar amounts regardless of whether l-glycine is present or not. The addition of l-glycine appears to be beneficial in reducing the inhibitory effect of smoke extracts and provides a greater concentration range for effective germination-promoting activity.

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