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https://studentshare.org/family-consumer-science/1410497-investigation-of-red-bull.
A similar trend, i.e. an initial increase in the heart rate and MAP followed by a decline, was observed after the consumption of the energy drink, i.e. Red Bull, but with certain differences. Although, as observed in the case of glucose drink, the heart rate and MAP increased after the consumption of Red Bull too, but the observed increase was much greater than that observed in the case of the glucose drink (i.e. Heart Rate: 81.71 post Red Bull consumption vs. 79.01 post-glucose consumption and MAP 100.1 mmHg post Red Bull consumption vs. 94.75 mmHg post glucose consumption respectively). Moreover, another important difference that was seen was that in the case of Red Bull consumption, the peak MAP and heart rate were achieved earlier, i.e. at 60 minutes post-consumption after which they started declining. Figure 2 below is a graphical representation of these findings.
Another aspect of this experiment was to compare the differences, if any, in the variation of MAP and pulse between Red Bull and Red Bull without sugar. When the students were asked to consume Red Bull without sugar, an interesting observation was noted. It was seen that the results for the consumption of Red Bull without sugar were comparable to those obtained after the consumption of Glucose drink. After the consumption of Red Bull without sugar, the MAP and heart rate were observed to rise, reaching a peak at 90 minutes, when the MAP rose to 97.74 mmHg from a baseline MAP of 92.98 ± 1.70 mmHg and the heart rate rose to 80.83 from a baseline heart rate of 72.71± 2.99. After 90 min, both the heart rate and the MAP were observed to decline. This is illustrated in the figure 3 below.
It is also important to note that the magnitude of the effect of Red Bull with no sugar on the heart rate and MAP was higher as compared to glucose drink while it was lower than the magnitude of effect of conventional Red Bull, i.e. with the sugar component.
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