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Updated: Aug 7, 2026
Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples
Published on: September 28, 2022
Pyrrolizidine alkaloid level in Senecio bicolor (Wilid.) Tod, ssp. cineraria (DC.) from middle Europe
H Wiedenfeld1, C Montes, B Tawil
1Pharmazeutisches Institut der Universität, Bonn, Germany. wiedenfeld@uni-bonn.de
Abstract:
From Senecio bicolor, ssp. cineraria, cultivated in middle Europe, seven pyrrolizidine alkaloids (PA) were isolated and their structures elucidated by spectroscopical methods. Besides the already known senecionine, integerrimine, seneciphylline, jacobine, jacoline and jaconine the jacobine-acetate was found. On account of structure toxicity relationship all PA show toxic side-effects.
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