Determination of Caffeine, Theobromine, and Theophylline by HPLC-DAD in Beverages Commonly Consumed in Lima, Peru

<div>Box plot displaying the distribution of the concentrations of (a) polyphenols (mg GAE/100 mL), (b) flavonoids (<i>μ</i>g Cat+/100 mL), and (c) FRAP (<i>μ</i>moles Fe+2/100 mL) detected in the samples analyzed for the different brands of chocolate milks (CM), coffee powder (CP), energy drinks (ED), soft drinks (SOD), herbal teas (HT), and sport drinks (SD).</div>

International Journal of Food Science

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Figure 1

Figure 1: Determination of Caffeine, Theobromine, and Theophylline by HPLC-DAD in Beverages Commonly Consumed in Lima, Peru 