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Updated: Jul 11, 2026
Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples
Published on: September 28, 2022
Pyrrolizidine alkaloid profiles of the Senecio cineraria group (Asteraceae)
Rosa Tundis1, Monica R Loizzo, Giancarlo A Statti
1Department of Pharmaceutical Sciences, University of Calabria, I-87036 Arcavacata di Rende, CS, Italy. rosa.tundis@unical.it
Abstract:
Alkaloid profiles of five Senecio species (Asteraceae), including S. ambiguus subsp. ambiguus, S. ambiguus subsp. nebrodensis, S. gibbosus subsp. bicolor, S. gibbosus subsp. gibbosus, and S. gibbosus subsp. cineraria, were studied. Eleven pyrrolizidine alkaloids were identified and their content was evaluated by GLC-MS and GLC analysis. Otosenine and florosenine were found to be the major alkaloids in all studied species. It is interesting that only S. ambiguus subsp. nebrodensis was characterized by a high content of the alkaloids jacobine, jacoline, jaconine, and jacozine.
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