Theobromine

Bitter alkaloid of the cacao plant

Theobromine, also known as xantheose, is the principal alkaloid of Theobroma cacao. Theobromine is slightly water-soluble (330 mg/L) with a bitter taste. In industry, theobromine is used as an additive and precursor to some cosmetics. It is found in chocolate, as well as in a number of other foods, including tea, some American hollies and the kola nut. It is a white or colourless solid, but commercial samples can appear yellowish.

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