Abstract
Nitrogenous alkaloids of the methyl xanthine family are derived from purine bases and xanthines, the main ones being caffeine, theobromine and theophylline. Theobromine A dimethylated xanthine, has a less basic character than caffeine and can be solubilized in alcohol, chlorinated organic solvents and water can be found and isolated in cocoa and derivatives or as a result of caffeine metabolism, responsible for the feeling of well-being, pleasure. Being that studies have been since the years of 1536 that the Spaniards used medicinally like treatment of several diseases. It is a very ingested natural alkaloid and has numerous pharmacological effects underway in several studies developed mainly action on the central nervous system. For this work, samples of industrialized chocolate powder were analyzed to verify the presence of this compound and quantified if there is actually pre- established quantity in its packaging used a known standard and the result was compared through spectrophotometry. To quantify the samples, the UV-Vis spectrophotometer was used and for the construction of a calibration curve, it used a theobromine standard in 5 different concentrations. It was developed in triplicates to confirm analyzes and make a comparison of all these data through tables with mean and standard deviation.
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