Pyrrolizidine alkaloids from Senecio longilobus and Senecio glabellus |
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| Institution: | 1. Department of Chemistry, Faculty of Sciences — AL Faisaliah Campus, King Abdulaziz University, Jeddah, Saudi Arabia;2. Department of Chemistry, Faculty of Education, Alexandria University, Alexandria, Egypt;3. Department of Chemistry, University College — Dhiba, University of Tabuk, Dhiba, Saudi Arabia;1. Institute of Geography and Spatial Planning, University of Lisbon, Alameda da Universidade, 1600-214 Lisbon, Portugal;2. Department for Physical and Regional Geography, University of Barcelona, Montalegre 6, 8, 08001 Barcelona, Catalonia, Spain;3. Environmental Management Center, Mykolas Romeris University, Ateities st. Vilnius, Lithuania |
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| Abstract: | TLC, capillary GC, packed column and capillary GC-MS, and1H NMR were used to characterize pyrrolizidine alkaloids fromSenecio longilobus andS.glabellus.S.glabellus contained senecionine and integerrimine, andS.longilobus contained senecionine, integerrimine, seneciphylline and retrorsine, all present predominantly asN-oxides. Alkaloid content varied greatly in collections ofS.longilobus. This is the first report of integerrimine in these plants. |
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