Sterols of three lichen species: Lobaria pulmonaria, Lobaria Scrobiculata and Usnea Longissima |
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| Authors: | Stephen Safe Lorna M. Safe Wolfgang S.G. Maass |
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| Affiliation: | Department of Chemistry, University of Guelph, Guelph, Ontario, Canada;Atlantic Regional Laboratory, National Research Council of Canada, 1411 Oxford Street, Halifax, Nova Scotia, Canada |
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| Abstract: | Sterols were extracted from the lichens Lobaria pulmonaria, Lobaria scrobiculata and Usnea longissima with chloroform-methanol (2:1) (solvent-extractable fraction) followed by saponification of the residual lichen material to give a tightly-bound sterol fraction. The compounds were principally ergosterol, episterol, fecosterol and lichesterol with minor quantities of C17, C28 and C29 monoenes and dienes of the phytosterol type. |
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| Keywords: | Peltigerales Parmeliales lichens sterol composition solvent extractable sterols base extractable lipid pools. |
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