Researchers just the previous year had confirmed evidence of wine from around the same time at the same site, which became a fortress on the Silk Road. But later texts from the area suggest beer was the more popular beverage in lower Mesopotamia and was drunk by common folk as well as the upper class.

The discovery of residue from beer-brewing in the interior grooves of a jug from the site supported the idea that beer was the preferred fermented beverage among the Sumerians.

The yellowish substance found in the grooves of the jug, which was in the Royal Ontario Collection, proved to be calcium oxalate, also known as beerstone, a common byproduct of brewing with barley.

To confirm that it was beerstone, the scientists compared the chemical composition to residue scraped from the inside of a brew kettle at Philadelphia’s Dock Street Brewery, as well as to scrapings from an ancient beer vessel from the museum’s Egyptian New Kingdom collection.

The grooves may have been intended to collect the beerstone, which can be very bitter and even poisonous, and keep it from ruining the beer. And early Sumerian symbols for beer jugs have similar crisscross markings on them.

Further possible evidence of beer: The floor of the supply room where the jug was found had barley on it, likely grown locally and used in the brewing.

It’s unclear what type of beer was in the jug, but it is known that residents of Mesopotamia enjoyed many different varieties including light, dark, amber, sweet and specially filtered beers.

Source: Various

Images: 1) Tambako The Jaguar/Flickr
2) Modern beer kettle. GoatLegSF/Flickr

See Also:

• Octobeer Madness
• Ancient Nubians Made Antibiotic Beer
• April 23, 1516: Bavaria Cracks Down on Beer Brewers
• April 7, 1933: Gimme a Tall, Cold One
• Feb. 10, 1957: Birth of the Cool…er
• It’s Beer O’Clock! Watch Has Built-In Bottle Opener
• Why Geologists Love Beer
• How Wired.com Built Beer Robot, Our DIY Kegerator
• Beer Gear, From Can to Refrigerator Robot
• Jan. 12, 1992: HAL of a Computer
• March 6, 1992: False Alarm
• May 5, 1992: Wolfenstein 3-D Shoots the First-Person Shooter Into Stardom
• Oct. 9, 1992: My Insurance Agent Will Never Believe This
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• Nov. 5, 1893: A Design Star Is Born
• Nov. 5, 1895: First U.S. Automaker Gets Off to Slow Start
• Nov. 5, 1955: A Flux of Genius

Authors: Betsy Mason

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