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Published on: July 29, 2020
Novel Fibre-Rich Breads Yield Improved Glucose Release Curves and Are Well Accepted by Children in Primary School
Nicholas M Wilkinson1, Taskeen Niaz1, Eloise Tann1
1School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK.
Insights
Children in the UK have a significant fibre gap, with school breakfast clubs often serving low-fibre foods. Novel high-fibre bread products were found to be acceptable to children, increasing breakfast fibre content and supporting sustained energy release.
Area of Science:
- Nutritional Science
- Pediatric Nutrition
- Food Science
Background:
- UK children's average fibre intake (14.6g/day) falls short of the recommended 20g/day by the Scientific Advisory Committee on Nutrition (SACN).
- This 'fibre gap' disproportionately affects children from lower socioeconomic backgrounds.
- School breakfast clubs, targeting disadvantaged children, may offer low-fibre options due to misconceptions about children's food preferences.
Purpose of the Study:
- To increase the fibre density of school breakfast provisions.
- To improve the digestive-metabolic quality of school breakfasts.
- To assess the acceptability of higher-fibre foods among primary school children.
Main Methods:
- In vitro digestion analysis of four novel bread products to correlate fibre content with glucose release.
- Introduction of 'Prograins' breads, high-fibre cereals, and fruit into primary school breakfast clubs.
- Assessment of children's food choices and breakfast fibre content during the intervention.
Main Results:
- Prograins breads demonstrated lower glucose peaks and more sustained release compared to standard white bread.
- A significant number of children accepted and selected the new, higher-fibre breakfast options.
- The average fibre content of children's breakfasts significantly increased following the intervention.
Conclusions:
- Nutritious, fibre-rich bread products can be successfully integrated into school breakfast menus.
- Implementing higher-fibre breakfast provisions in schools is feasible.
- Further large-scale studies are recommended to validate these findings in real-world settings.
Background:
The average fibre consumption of 4-10-year-old children in the UK is 14.6 g per day, with only 14% of these children reaching the 20 g recommended by the SACN (UK Scientific Advisory Committee on Nutrition), and this 'fibre gap' may be most pronounced in communities with the lowest socioeconomic status. School breakfast clubs target children from disadvantaged communities, but their provision may favour lower-fibre foods, due to perceptions that children will reject higher-fibre foods. Our research programme aims to increase the fibre density, digestive-metabolic quality and acceptability of school breakfast provision.
Methods:
In Study 1, we examined the in vitro digestion of four novel bread products, to determine the relationship between fibre content and glucose release profile, and assess their suitability for sustaining school activity. In Study 2, we introduced the Prograins breads, alongside higher-fibre breakfast cereals and fresh fruit, to primary school breakfast clubs.
Results:
The Prograins bread products yielded lower peaks and more sustained glucose release curves than the 'standard' white bread control. Many children liked and chose the intervention foods, and the average fibre content of children's breakfasts increased.
Conclusions:
We conclude from this study that nutritious, fibre-rich bread products can be acceptable to children and that higher-fibre breakfast provision is feasible, and we recommend larger-scale intervention and assessment to validate these real-world findings.
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