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Infectopyrone, a potential mycotoxin from Alternaria infectoria |
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| Authors: | Thomas Ostenfeld Larsen Nigel B. PerryBirgitte Andersen |
| Affiliation: | a BioCentrum-DTU, Søltofts Plads, Technical University of Denmark, 2800 Lyngby, Denmark b Crop and Food Research, Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand |
| Abstract: | A new metabolite, infectopyrone (1), has been isolated from the filamentous fungus Alternaria infectoria. The structure of 1 was elucidated by analysis of 2D NMR spectroscopic data. Compound 1 is an α-pyrone resembling known toxins, and is a useful phenotaxonomic marker for the A. infectoria species-group. Infectopyrone (1) was also produced by species within Stemphyllium and Ulocladium, and found in mouldy food. |
| Keywords: | Alternaria infectoria Stemphyllium Ulocladium α-pyrone chemotaxonomy |
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