Polyisoprenoids Composition from Araucaria heterophylla and Casuarina equisetifolia leaves

: This current work examines the polyisoprenoids (dehydrodolichol or polyprenol and dolichol) profiling and conformation from Norfolk Island pine Araucaria heterophylla (Araucariaceae) and Australian pine Casuarina equisetifolia (Casuarinaceae). The pattern and structure of polyisoprenes were determined by two-plate thin layer chromatography (2P-TLC). The polyisoprene pattern in the leaves was found and categorized into two categories. Group-I, showing a majority of dolichols over dehydrodolichols was detected in A. heterophylla. These dolichols showed as one longer dolichol tribe (C 40 –C 110 ). Group-II, exhibiting the incidence of the pair polyprenols and dolichols, was traced in C. equisetifolia. Dolichol concentrations were faintly extra richness detected comparing to dehydrodolichols (approximately 54%:46%) in this species. Dolichols with chain length of C 75 –C 95 and shorter dehydrodolichol (C 50 –C 55 ) were detected in C. equisetifolia . This study suggested that different pattern of ficaprenols, shorter-chain and longer dolichols are modulated in both pine species.(cid:10)