• coniine
  • Socrates - The philosopher, charged with religious heresy and with corrupting the morals of local youth, died by hemlock poisoning (the active chemical is the alkaloid coniine). (toxipedia.org)
  • organic
  • Diagram of EphedrineAn alkaloid is a nitrogenous organic molecule that has a pharmacological effect on humans and animals. (biology-online.org)
  • Alkaloids are found as secondary metabolites in plants (e.g., in potatoes and tomatoes), animals (e.g., in shellfish) and fungi, and can be extracted from their sources by treatment with acids (usually hydrochloric acid or sulfuric acid, though organic acids such as maleic acid and citric acid are sometimes used). (biology-online.org)
  • seeds
  • These seeds are the chief commercial source of strychnine and were first imported to and marketed in Europe as a poison to kill rodents and small predators. (wikipedia.org)
  • active
  • The relationship between ergot and ergotism was established only in 1717, and the alkaloid ergotamine, one of the main active ingredients of ergot, was isolated in 1918. (wikipedia.org)