Laetiporic acid, a new polyene pigment from the wood-rotting basidiomycete Laetiporus sulphureus (Polyporales, Fungi) |
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Authors: | Roland W.S. Weber Paolo Davoli |
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Affiliation: | a Lehrbereich Biotechnologie, Universität Kaiserslautern, Paul-Ehrlich-Strasse 23, D-67663 Kaiserslautern, Germany b Dipartimento di Chimica, Università di Modena e Reggio Emilia, via Campi 183, I-41100 Modena, Italy |
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Abstract: | A new pigment, laetiporic acid, has been isolated from fruit-bodies of the wood-rotting fungus Laetiporus sulphureus (sulfur shelf). Structure elucidation by application of extensive 2D NMR techniques permitted its identification as a polyene of non-isoprenoid origin. Laetiporic acid, which represents the main pigment in L. sulphureus basidiocarps, bears an unprecedented decaene skeleton as part of its chromophore and, interestingly, contains double bonds with a stable cis configuration. |
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Keywords: | Fungi Laetiporus sulphureus Fruit-bodies Pigments Cis polyenes Structure elucidation |
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