Pyrrolizidine alkaloids in overwintering monarch butterflies (Danaus plexippus) from mexico

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1987 English Publisher:Springer Science and Business Media LLCJournal:Experientia, volume 43, pages 943-946 (issn: 0014-4754, eissn: 1420-9071,

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Authors: R. B. Kelley; J. N. Seiber; A. D. Jones; H. J. Segall; L. P. Brower;

doi: 10.1007/bf01951680

Pyrrolizidine alkaloids in overwintering monarch butterflies (Danaus plexippus) from mexico

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Abstract

North American populations of the monarch butterfly,Danaus plexippus, have been found to contain pyrrolizidine alkaloids and their N-oxides. Analytical methods (TLC, GC, and GC/MS) have been developed to isolate, quantitate, and structurally elucidate the alkaloids. Examples of at least two classes of pyrrolizidine alkaloids have been identified, the macrocyclic diesters, senecionine, integerrimine, and seneciphylline, and the monoesters, echinatine, intermedine, and lycopsamine.

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