6 research outputs found

    The caffeine-calorie effect in sugar-sweetened beverages

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    The presence of caffeine in sugar-sweetened beverages (SSB) may be an important contributor to the growing obesity epidemic. The removal of caffeine, along with co-removal of a proportion of sugars from the beverage will result in regular SSB consumers reducing their energy intake without the need for other dietary or&nbsp;lifestyle changes. <br /

    Caffeine increases sugar-sweetened beverage consumption in a free-living population: a randomised controlled trial

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    Excessive sugar-sweetened beverage (SSB) consumption has been associated with overweight and obesity. Caffeine is a common additive to SSB, and through dependence effects, it has the potential to promote the consumption of caffeine-containing foods. The objective of the present study was to assess the influence that caffeine has on the consumption of SSB. Participants (n 99) were blindly assigned to either a caffeinated SSB (C-SSB) or a non-caffeinated SSB (NC-SSB) group. Following randomisation, all participants completed a 9&nbsp;d flavour-conditioning paradigm. They then completed a 28&nbsp;d ad libitum intake intervention where they consumed as much or as little of C-SSB or NC-SSB as desired. The amount consumed (ml) was recorded daily, 4&nbsp;d diet diaries were collected and liking of SSB was assessed at the start and end of the intervention. Participants (n 50) consuming the C-SSB had a daily SSB intake of 419 (sd 298)&nbsp;ml (785 (sd 559)&nbsp;kJ/d) over the 28&nbsp;d intervention, significantly more than participants (n 49) consuming the NC-SSB (273 (sd 278)&nbsp;ml/d, 512 (sd 521)&nbsp;kJ/d) (P&lt;&nbsp;0&middot;001). A trained flavour panel (n 30) found no difference in flavour between the C-SSB and NC-SSB (P&gt;0&middot;05). However, participants who consumed the C-SSB liked the SSB more than those who consumed the NC-SSB (6&middot;3 v. 6&middot;0 on a nine-point hedonic scale, P=&nbsp;0&middot;022). The addition of low concentrations of caffeine to the SSB significantly increases the consumption of the SSB. Regulating caffeine as a food additive may be an effective strategy to decrease the consumption of nutrient-poor high-energy foods and beverages

    Caffeine as an ingredient in sugar sweetened beverages

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    Caffeine is the most widely used psychoactive drug in the world, with more than 80% of the US population classed as regular consumers (Garrett and Griffiths 1998). An analysis of the Continuing Survey of Food Intakes by Individuals (CSFII) in the US indicates that 870/o of US population over 2 years of age consumed caffeine daily and the average intake in caffeine consumers was 193 mg per day or 1.2 mgkg-l per day (Frary er a/ 2005). SSB were the primary source of caffeine in children and adolescents under 18 years of age and provided between 50-64% of the daily caffeine intake. For adults 18-34 years, SSB provided 30% of total daily caffeine, dropping fo llo/o for adults 34 years and older (Frary et a|2005). The total daily intake of caffeine observed in the CSFII is slightly lower that than observed in the 1995 National Nutrition Survey of Australian adults who reported consuming on average 270 mg of caffeine per day. Caffeine intakes amongst children, aged2 to 14 years, were reported as 17 mg per day. It is suggested that cola flavored SSB provide around 62o/, of this intake (Desbrow et al 2004). Is the popularity of caffeinated foods mere coincidence? Is the flavor coffee, chocolate, tea and cola soft drinks such that without caffeine they would still be widely consumed? Or is the popularity of caffeine containing foods due to the influence of caffeine in the body?<br /

    Assessing Food Liking: Comparison of Food Liking Questionnaires and Direct Food Tasting in Two Cultures

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    Food liking can be directly measured in specialised sensory testing facilities; however, this method is not feasible for large population samples. The aim of the study was to compare a Food Liking Questionnaire (FLQ) against lab-based sensory testing in two countries. The study was conducted with 70 Australian and Thai participants (35 Australian, 35 Thai, mean (SD) age 19 (3.01) years, 51% men). Participants completed a FLQ (consisting of 73 food items Australia, 89 Thai) and then, after tasting the food, rated their liking of a selection of 10 commercially available food items using a nine-point hedonic scale. Both tasks were completed on the same day and were repeated one week later. The reliability of and a comparison between methods was determined using Intra-Class Correlation Coefficients (ICC), and the difference was assessed using an independent sample t-test. The results indicate that the test-retest reliability of FLQ and the laboratory-based liking assessment range was moderate (0.40&#8315;0.59) to excellent (0.75&#8315;1.00). There were significant differences for the FLQ and the laboratory-based liking assessment between countries for three food items: soft drink, instant vegetable soup, and broccoli (p &lt; 0.01). However, the data produced from the FLQ reflects the laboratory-based liking assessment. Therefore, it provides representative liking data in large population-based studies including cross-cultural studies
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