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Ergotism and Saint Anthony's fire.

Andrzej Grzybowski1, Katarzyna Pawlikowska-Łagód2, Agnieszka Polak2

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Ergot, a fungal disease from Claviceps purpurea, contaminates rye, causing ergotism poisoning in humans and animals. This historical foodborne illness highlights the significant impact of grain contamination on health.

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Area of Science:

  • Mycology
  • Toxicology
  • History of Medicine

Background:

  • Ergot is a fungal disease caused by Claviceps purpurea, resulting in black kernels on plants.
  • Ingestion of ergot-contaminated rye causes ergotism, a poisoning with documented negative health impacts on humans and animals since ancient times.
  • Historically, ergot was misunderstood, considered part of the rye plant, and used in traditional medicine, leading to neurological disorders and gangrene when rye was a dietary staple.

Purpose of the Study:

  • To explore the historical significance of ergotism, its impact on human and animal health, and its connection to dermatology.
  • To understand the evolution of knowledge regarding ergot's fungal origin and its toxicological effects.
  • To highlight the enduring risk posed by ergot alkaloids in food.

Main Methods:

  • Historical review of ergotism records and medical texts.
  • Analysis of the etymology and historical appellations of ergotism (e.g., "Saint Anthony's fire", "holy fire").
  • Examination of the role of religious orders, like the Order of Saint Anthony, in managing and treating ergotism.

Main Results:

  • Ergotism has a long history, with epidemics recorded in the Middle Ages in rye-dependent regions.
  • The disease was historically misidentified, with its fungal origin only recognized in the 18th century.
  • Ergot alkaloids continue to present a risk to human and animal health through contaminated food sources.

Conclusions:

  • Ergotism is a significant historical foodborne illness with deep roots in human and animal health.
  • The history of ergotism is intrinsically linked to the history of dermatology and public health interventions.
  • Continued vigilance is necessary to mitigate the risks associated with ergot alkaloid contamination in food supplies.