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Research

Ancient DNA shows Central American cacao reached Georgia 1,000 years ago

Chemical traces and ancient DNA reveal cacao from Central America reached Etowah, Georgia, 1,000 years ago, proving long-distance trade connections.

AI News Feed · 2026-08-28 06:22

University of South Carolina archaeologist Adam King and his colleagues found fragments of ancient DNA from Theobroma cacao on the inner surfaces of potsherds from long-ago feasts at Etowah. Cacao beans, when dried and roasted, produce chocolate. The cacao tree only grows in the tropics, meaning the nearest trees would have been at least 3,000 kilometers away from the woodlands of the eastern United States. This suggests the Mississippian people at Etowah maintained continent-spanning trade networks.