Theobromine Theobromine Theobromine, formerly known as xantheose, is a bitter alkaloid of the cacao plant, with the chemical formula CHNO. It is found in chocolate, as well as in a number of other foods, including the leaves of the tea plant, and the kola nut. It is classified as a xanthine alkaloid, others of which include theophylline and caffeine. The compounds differ in that caffeine has an extra methyl group (see under Pharmacology section). Despite its name, the compound contains no bromine—"theobromine" is derived from "Theobroma", the name of the genus of the cacao tree (which itself is made up of
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