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Related Experiment Videos

Can zeolites decrease the uptake and accelerate the excretion of radio-caesium in ruminants?

S Forberg1, B Jones, T Westermark

  • 1Department of Nuclear Chemistry, Royal Institute of Technology, Stockholm, Sweden.

The Science of the Total Environment
|February 1, 1989
PubMed
Summary
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Zeolites, like mordenite, effectively reduce radio-caesium uptake and accelerate excretion in goats and lambs. This mineral shows promise for mitigating radioactive contamination in livestock and food sources.

Area of Science:

  • Environmental Science
  • Veterinary Medicine
  • Radiochemistry

Background:

  • Zeolite minerals are investigated for their potential to mitigate radio-caesium contamination.
  • Radio-caesium poses a risk to humans and domestic animals through ingestion.
  • Artificial mordenite is a specific zeolite being studied for its efficacy.

Purpose of the Study:

  • To evaluate the effectiveness of artificial mordenite in reducing radio-caesium uptake and accelerating excretion in livestock.
  • To assess mordenite's ability to lower the body burden of radio-caesium in animals.
  • To explore mordenite's application in decontaminating food sources.

Main Methods:

  • Artificial mordenite was dispersed in liquid paraffin and administered to goats and lambs consuming radio-caesium-contaminated hay.

Related Experiment Videos

  • Daily collection and gamma spectrometry analysis of faeces and urine were performed.
  • Radio-caesium content in reindeer meat was measured after boiling with mordenite.

    • Main Results:

    • A daily dose of 10 g of mordenite more than doubled radio-caesium excretion in goats and lambs, indicating removal from body stores.
    • The effect-to-dose ratio for mordenite was initially even higher.
    • Boiling reindeer meat with mordenite reduced its radio-caesium content to 8%.

    Conclusions:

    • Mordenite conclusively reduces radio-caesium uptake and body burden in goats and lambs without altering their diet.
    • Mordenite demonstrates potential for decontaminating animal products like reindeer meat.
    • Preliminary trials in humans showed less success, warranting further investigation.