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Lead poisoning from drinking Kombucha tea brewed in a ceramic pot
1Royal Prince Alfred Hospital, Camperdown, NSW. gduggin@renicu.rpa.cs.nsw.gov.au
The Medical Journal of Australia
|January 15, 1999
Summary
Kombucha tea drinkers experienced lead poisoning from brewing in a ceramic pot. The tea's acidity leached lead from the pot's glaze, causing severe health issues.
Area of Science:
- Toxicology
- Food Science
- Alternative Medicine
Background:
- Kombucha tea, a fermented beverage, is increasingly used for various health benefits.
- The safety of consuming homemade Kombucha tea, especially concerning its preparation methods, requires further investigation.
Observation:
- Two individuals consuming Kombucha tea daily for six months developed symptomatic lead poisoning.
- The Kombucha tea was consistently brewed in a ceramic pot.
Findings:
- Analysis suggests that the acidic nature of Kombucha tea likely leached lead from the ceramic pot's glaze.
- This leaching mechanism is similar to lead elution from crystal decanters by alcoholic beverages.
Implications:
- This case highlights a potential risk associated with brewing acidic beverages in ceramic cookware.
- Healthcare providers should consider environmental and dietary factors, including homemade beverages, when diagnosing lead poisoning.
- Further research is needed to assess the lead content in ceramic cookware and its interaction with acidic foods and beverages.
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