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The search for polyprenols in dendroflora of Vietnam

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Marczewski A., Ciepichal E., Canh L. X., Bach T. T., Swiezewska E., Chojnacki T.
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2007
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vol. 54
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issue 4
727-732
EN
The occurrence of polyprenols in leaves of over 340 species of dendroflora in natural habitats in the regions of Hanoi and Hue in Vietnam was studied. Plant material was collected in the late autumn (October/November) during the end of a vegetation season. Leaves of about 200 plant species did not contain detectable amounts of polyprenols in contrast to few systematic families, e.g. Moraceae, Euphorbiaceae, where polyprenols were highly abundant and their pattern could be used as a chemotaxonomic criterion. Most often dominating polyprenols were prenol-11 and prenol-12. In several angiosperm species prenol-13 and detectable amounts of prenol-14 were also found. The incidence of prenol-13 and -14 was not restricted to a specific taxonomic group since species exhibiting domination of such longer chain polyprenols belonged to various systematic families. In some plants (e.g. Ceiba pentandra) α-cis polyprenols were accompanied by α-trans counterparts. This report describes several new plant species that may serve as natural sources of long chain polyprenols.
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