Definitions for pyrrolizidine alkaloids

This page provides all possible meanings and translations of the word pyrrolizidine alkaloids

U.S. National Library of Medicine

  1. Pyrrolizidine Alkaloids

    A group of ALKALOIDS, characterized by a nitrogen-containing necine, occurring mainly in plants of the BORAGINACEAE; COMPOSITAE; and LEGUMINOSAE plant families. They can be activated in the liver by hydrolysis of the ester and desaturation of the necine base to reactive electrophilic pyrrolic CYTOTOXINS.


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