500-Year-Old Freeze-Dried Potatoes Unearthed at Inca Coastal Site
Archaeologists excavating the ancient Inca provincial center of Tambo Viejo on Peru’s arid southern coast have made an extraordinary discovery: two 500-year-old freeze-dried potatoes. Known as chuño, these preserved tubers offer rare physical evidence of the vast food storage and transportation networks that sustained the mighty Inca Empire. According to a recent study published in the Journal of Field Archaeology, the presence of chuño at a coastal site confirms that this essential highland food was distributed across the imperial realm to feed its workforce.
The find is exceptionally rare, as organic materials like potatoes typically decay rapidly. “It was obvious that this was not just any find, but a special one,” stated Dr. Lidio Valdez, an archaeologist at the University of Calgary, who led the excavation alongside Dr. Katrina Bettcher.
The discovery sheds new light on the ingenious agricultural and preservation techniques developed by Andean civilizations long before the advent of modern refrigeration.
The Ingenious Process of Making Chuño
Potatoes are indigenous to the Andes, where thousands of varieties have been cultivated for millennia. However, fresh potatoes are prone to rotting, especially in warm, moist environments. To overcome this, ancient South American farmers developed a remarkable preservation method. They created chuño by exposing frost-resistant, often bitter potato varieties to the freezing night temperatures of the high Andes, then thawing them under the intense daytime sun.
www.Ancient-Origins.net – Reconstructing the story of humanity’s past
Source: https://www.ancient-origins.net/news-history-archaeology/inca-freeze-dried-potatoes-00102872
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