Chemical sample 21

Information

Residue on a Bayo Brown ceramic sherd. The sherd is a predominantly Barra Phase type found in the fill of the Mound 6, Structure 4 floor (Powis et al. 2007, 2008).

Phase Date

Attached Files

Bayo%20brown%20sherd%20with%20theobromine%20from%20paso%20de%20la%20amada
Bayo Brown sherd with theobromine residue. This is a narrow mouthed tecomate (neckless jar) with vertical exterior fluting (Powis et al. 2007).

References Cited

Powis, Terry G., W. Jeffrey Hurst, María del Carmen Rodríguez, Ponciano Ortíz C., Michael Blake, David Cheetham, Michael D. Coe, and John G. Hodgson
    2007 Oldest Chocolate in the New World. Antiquity 314(December). [http://www.antiquity.ac.uk/projgall/powis/index.html]

Powis, Terry G., W. Jeffrey Hurst, María del Carmen Rodríguez, Ponciano Ortíz C., Michael Blake, David Cheetham, . . . John G. Hodgson
    2008    The Origins of Cacao Use in Mesoamerica. Mexicon 30(2):35-38.

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