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Caffeine and theobromine contents (mg/g) weredetermined in samples of selected Nigerian beverageproducts. The beverages were cocoa (Milo, Bournvita,Rosevita and Enervita), coffee (Nescafe, Bongo, and Maxwell House decaffeinated) and tea (Lipton). The theobromine contentsof samples of Milo, Bournvita, Rosevita, Enervita, Nescafe, Bongo, Maxwell Housedecaffeinated coffee and Lipton were 62.10 ± 5.21, 64.80 ± 6.72, 82.80 ± 4.43, 80.37 ± 6.80, 27.00 ± 4.31, 14.67 ± 2.90, 23.46 ± 3.13 and 12.60 ± 1.52 respectively. The corresponding caffeine contents of these samples were 2.78 ± 0.43 (Milo), 3.17 ± 0.36 (Bournvita), 0.92 ± 0.51 (Rosevita), 1.05 ± 0.68 (Enervita),93.66 ± 8.91 (Nescafe), 6.47 ± 2.42(Bongo), 37.22 ± 5.34 (Lipton), and 0.21 ± 0.11 (Maxwell House decaffeinatedcoffee). Semi-processed cocoa beverages (Rosevita and Enervita) had significantly (p < 0.05) higher levels oftheobromine compared with the finished cocoas (Milo and Bournvita). Similarly, Nescafe contained significantly (p < 0.05) higher levels of caffeinecompared to Maxwell House (decaffeinated coffee) and Bongo. Levels of caffeine in Lipton tea were moderate. |
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