Showing papers on "Theobromine published in 1968"
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51 citations
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TL;DR: A sensitive method for the quantitative detection of the purine bases caffeine, theobromine and theophylline is described, based on thin layer chromatography and has the added advantage that it does not require any expensive apparatus.
15 citations
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TL;DR: In this article, the complexes of caffeine and theobromine, with acetic and salicylic acid, have been studied by means of infrared spectroscopy, and a fairly strong hydrogen bond exists.
Abstract: Complexes of caffeine and theobromine, with acetic and salicylic acid, have been studied by means of infrared spectroscopy. In the complexes with aromatic acids a fairly strong hydrogen bond exists...
9 citations
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4 citations