南卡罗来纳大学考古学家亚当·金（Adam King）及其团队在美国佐治亚州北部的埃托瓦（Etowah）遗址取得了重要考古发现 1。研究人员在11世纪宴会后的陶器碎片内表面，检测出了可可残留物以及可可树（Theobroma cacao）的古代DNA片段 1。这一发现表明，早在1000年前，可可作为巧克力原料就已经被引入该地区 1。
埃托瓦遗址位于今亚特兰大以北，属于密西西比文化人群的活动范围 1。可可树距离该遗址最近的生长地至少有3000公里，这些残留物的存在证明了当时的密西西比文化人群与中美洲之间存在贸易联系 1。
Archaeologists have discovered cacao residue and ancient DNA in 11th-century pottery shards from the Etowah site in northern Georgia, located north of present-day Atlanta 1. The research was conducted by University of South Carolina archaeologist Adam King and his colleagues 1. The cacao residue was found on the interior surfaces of pottery fragments left over from an 11th-century banquet 1. Additionally, the team identified ancient DNA fragments of Theobroma cacao within these pottery shards 1.
The nearest natural habitat for cacao trees is at least 3,000 kilometers away in Central America 1. This discovery indicates that cacao, the raw material for chocolate, was introduced to the region 1,000 years ago 1. It also proves the existence of trade connections between the Mississippian culture populations and Central America 1.
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