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Scientists bake sourdough with 5,000-year-old mummy yeast

Published Friday, June 5, 2026 · Updated June 6

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Media Analysis

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Scientists have successfully baked a sourdough bread using yeast strains extracted from Ötzi the Iceman, a 5,000-year-old mummy. Researchers are also exploring the possibility of using these ancient yeasts for brewing beer.

What We Know — Key Points

  • Scientists have successfully baked a sourdough loaf of bread using yeast strains harvested from Ötzi the Iceman, a 5,000-year-old mummy.
  • Researchers are investigating the potential use of these ancient yeasts for brewing beer.

What Is Claimed — Perspectives

  • The GuardianLeft-leaning

    The Guardian reports that scientists successfully baked a sourdough loaf using yeast strains extracted from Ötzi the Iceman, a 5,000-year-old mummy, and are now exploring the possibility of using these ancient yeasts to brew beer.

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