Ultra-processed foods and their impact on health
The Grains & Legumes Nutrition Council’s Whole Grain Week is coming soon (next week!). We’re bringing you Elissa Price, PhD Candidate at the University of New South Wales to discuss her research findings on ultra-processed foods (UPF) and whole grains.
We cover:
What is food processing?
Why are foods processed? Is it always bad?
What is an UPF?
The latest evidence on UPFs and health
Regardless of how whole grains are processed, what does the research tell us about whole grains and health?
Can UPFs be part of a healthy diet?
Elissa’s three key takeaways on UPFs and whole grains
One-liners you don’t want to miss:
“They categorise foods based on the level of processing and that UPF is that more extreme group of processing. They define an UPF based on the nature, extent and purpose of the food processing and are identified foods that have gone through more extensive processing.”
“Higher ultra-processed food intake and worse health outcomes. Some of those being obesity, cancer, type 2 diabetes, cardiovascular disease, irritable bowel syndrome, depression and all-cause mortality. There is a lot of research happening in this space and a lot of links being made.”
References
Whole-grain health benefits
Health effects of dietary risks in 195 countries, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017. Lancet, 2019. 393(10184): p. 1958-1972.
UPF health associations
Taneri, P.E., et al., Association Between Ultra-Processed Food İntake and All-Cause Mortality: A Systematic Review and Meta-Analysis. Am J Epidemiol, 2022.
Martínez Steele, E., et al., Dietary share of ultra-processed foods and metabolic syndrome in the US adult population. Preventive Medicine, 2019. 125: p. 40-48.
Lane, M.M., et al., Higher Ultra-Processed Food Consumption Is Associated with Greater High-Sensitivity C-Reactive Protein Concentration in Adults: Cross-Sectional Results from the Melbourne Collaborative Cohort Study. Nutrients, 2022. 14(16): p. 3309.
Beslay, M., et al., Ultra-processed food intake in association with BMI change and risk of overweight and obesity: A prospective analysis of the French NutriNet-Santé cohort. PLOS Medicine, 2020. 17(8): p. e1003256.
Nova UPF subgroup associations
Mendoza, K., et al., Ultra-processed foods and cardiovascular disease: analysis of three large US prospective cohorts and a systematic review and meta-analysis of prospective cohort studies. The Lancet Regional Health – Americas, 2024. 37.
Chen, Z., et al., Ultra-Processed Food Consumption and Risk of Type 2 Diabetes: Three Large Prospective U.S. Cohort Studies. Diabetes Care, 2023. 46(7): p. 1335-1344.
Cordova, R., et al., Consumption of ultra-processed foods and risk of multimorbidity of cancer and cardiometabolic diseases: a multinational cohort study. The Lancet Regional Health – Europe.
Nova UPF whole-grain exclusion
Price, E.J., et al., Excluding whole grain-containing foods from the Nova ultraprocessed food category: a cross-sectional analysis of the impact on associations with cardiometabolic risk measures. Am J Clin Nutr, 2024.
Nova and ADG discordance
Nguyen, H., et al., Extent of alignment between the Australian Dietary Guidelines and the NOVA classification system across the Australian packaged food supply. Nutr Diet, 2024.
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