Concerns Cacao
Earliest Documented Use, To (Year)
What Changed. This entry moved from well-attested to partially Attested on October 10, 2026.
Why. About 5,300 years ago, the date of the cacao starch grains, theobromine residues and ancient DNA at Santa Ana-La Florida in southeast Ecuador reported in 2018; stored as the round year 3300 BCE, so the year is approximate.
Sourced to The use and domestication of Theobroma cacao during the mid-Holocene in the upper Amazon (Nature Ecology & Evolution), Sonia Zarrillo.