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Amber Ale: Brewing Beer from 45-Million-Year-Old Yeast

An aroma like bread dough permeates Raul Cano's lab. He has just removed the cover from a petri dish, and the odor wafts up from several gooey yellow clumps of microorganisms that have been feeding and reproducing in a dark cabinet for the past few days. Cano, a 63-year-old microbiologist at California Polytechnic State University, San Luis Obispo, inspects the smelly little mounds lovingly. "These are my babies," he says, beaming. "My yeasty beasties."

The dish contains a variant of Saccharomyces cerevisiae, known in culinary circles as baker's or brewer's yeast. But Cano didn't get this from Whole Foods. Back in 1995, he extracted it from a 45 million-year-old fossil. The microorganisms had lain dormant since the Eocene epoch, a time when Australia split off from Antarctica and modern mammals first appeared. Then Cano brought the yeast back to life.
 
 

Comments (2)

  1. Oh how cool, microorganisms are amazing, to revive after 45 million years is incredible.
  2. I signed up for the Fossile Fuels Brewing Co. email list at their website plus they have a Facebook Fan page.

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