The occurrence of 2-methyl-1,2,3,4-tetrahydro-β-carboline and variation in alkaloids in Phalaris arundinacea |
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Authors: | JE Gander P Marum GC Marten AW Hovin |
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Institution: | 1. Department of Biochemistry, College of Biological Sciences U.S.A.;2. Department of Agronomy and Plant Genetics, College of Agriculture, University of Minnesota, St. Paul MN 55108, U.S.A.;3. Department of Agronomy and Plant Genetics, College of Agriculture, University of Minnesota, St. Paul MN 55108, U.S.A. |
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Abstract: | 2-Methyl-1,2,3,4-tetrahydro-β-carboline was isolated from reed canarygrass (Phalaris arundinacea L.) and the occurrence of 2-methyl-6-methoxy-1,2,3,4-tetrahydro-β-carboline confirmed. Clones of reed canarygrass that contained N,N-dimethyltryptamine or 2-methyl-1,2,3,4-tetrahydro-β-carboline did not contain their respective methoxy or hydroxy derivatives. Five of the 12 clones tested contained either or both of 5-methoxy-N,N-dimethyltryptamine and 2-methyl-6-methoxy-1,2,3,4-tetrahydro-β-carboline. The data suggest that clones that contain gramine are not likely to contain N,N-dimethyltryptamine and/or β-carbolines. Thus, an inverse biosynthetic relationship between gramine and the tryptamine and β-carboline alkaloids seems to exist. However, further work is needed to firmly establish any such relationship between these alkaloids. |
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Keywords: | reed canarygrass indole alkaloids β-carboline tryptamine gramine hordenine |
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