Theobroma cacao as culinary, purposes. Some mixtures included maize, chili, vanilla ("Vanilla planifolia"), and honey. Archaeological evidence for use of cacao, while relatively sparse, has come from the recovery of whole cacao beans at Uaxactun, Guatemala and from the preservation of wood fragments of the cacao tree at Belize sites including Cuello and Pulltrouser Swamp. In addition, analysis of residues from ceramic vessels has found traces of theobromine and caffeine in early formative vessels from Puerto Escondido, Honduras (1100–900 BC) and in middle formative vessels from Colha, Belize (600–400 BC) using similar techniques to those used to extract chocolate residues from four
Peter Posnette Peter Posnette Peter Posnette (real name Adrian Frank Posnette) (11 January 1914 – 17 July 2004) was a British plant pathologist. He was born in the South Birmingham area and educated at Cheltenham Grammar School. He entered Christ's College, Cambridge to study zoology but then accepted a Colonial Agricultural Service research studentship in plant genetics. After studying at the Cambridge University School of Agriculture, he moved to the Imperial College of Tropical Agriculture in Trinidad to carry out a research project into the pollination of the cocoa tree (Theobroma cacao). In 1937 he moved to the Gold Coast as a