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Department of Sport and Health Sciences
Faculty of Health and Life Sciences
Undergraduate BSc Nutrition
Background. Childhood obesity is associated with an increased intake of sugary soft drinks and juice drinks. The aims of this study were (1) to report the sugar and energy content in commercial fruit juice (FJ), juice drinks (JD) and smoothies (S) specifically targeted at children in the UK, (2) to identify beverages liable for the Soft Drinks Industry Levy (SDIL) and (3) to compare the amount of sugar in these beverages before and after the levy. Methods. The beverages were retrieved using the online shopping tool my Supermarket, websites of nine major supermarket in the UK and manufacturers webpages. Comparisons of sugar content were taken before and after the introduction of the SDIL. Results. 131 FJJDS fulfilled the inclusion criteria. The mean sugar content of all the beverages was 6.3g±4.5/100mL. There was large variation in the sugar content from 0.1g/100mL to 15.2g/100mL, with smoothies found to contain the most sugar (11.55±1.62 g/mL). The beverages were reanalysed in September 2018 to determine their eligibility for the SDIL. Of the 131 products only 7 JD were eligible for the levy. Four of these beverages had reformulated their ingredients since the initial analysis resulting in a sugar content of <5g/100mL. Conclusions. The majority of the beverages targeted at children and children’s lunch boxes were not eligible for the SDIL. This study suggests the necessity to adapt the SDIL to include all FJJDS aimed at children as the total sugar content of these beverages are still above the recommended quantities for this age group.
Background and aims: The impact of cephalic phase on postprandial insulin response is well documented however its effects on postprandial blood glucose remain inconsistent. The purpose of the current study was to assess the impact of cephalic phase on postprandial blood glucose and satiety. Methods: Twelve participants were recruited and tested on two different occasions (i) with modified sham feeding (MSF) (ii) without MSF (Control) followed by white bread (50g available carbohydrate) consumption. Finger-prick blood samples were taken at regular interval for 120minto measure blood glucose. Measurements of satiety (hunger, fullness, desire to eat and prospective eating) were taken using 100mm visual analogue scales (VAS). Results: Blood glucose changes did not differ between the two occasions after 30, 60 and 120min. Similarly, there were no differences in satiety between the MSF test compared with the control. Conclusion: These findings suggest that the cephalic phase do not affect either postprandial blood glucose or satiety.
Association of Nutrition (AfN)