Inadequate intakes of fatty acids attributed to the ultra-processed foods consumed by portuguese population: the upper project
Nutrition, Metabolism and Cardiovascular Diseases(2024)
Abstract
Background and Aims
Population-based studies suggest an inverse relationship between the dietary share of ultra-processed foods (UPF), as defined by NOVA classification, and the overall dietary nutritional quality. However, few studies have evaluated the impact of ultra-processed foods on the fatty acid profile of the diet. The aim of this study was to assess the association between consumption of UPF and the fatty acids profile of the diet in Portugal.
Methods and Results
Cross-sectional data from IAN-AF 2015–2016 were used for this study. Food consumption data were collected through two 24-h food recalls, and food items were classified according to the NOVA system. For both adults and elderly, the contents of total fatty acids (TFA), saturated fatty acids (SFA) and trans fatty (TRFA) were higher in the fraction of UPF, compared to the other three NOVA groups, while [monounsaturated fatty acids (MUFA)+, polyunsaturated fatty acids (PUFA)/SFA] ratio was lower. The UPF population attributable fraction (PAF) demonstrated that if the dietary contribution of UPF was reduced to levels observed in the first quintile, statistically significant reductions in the prevalence of inadequate intakes of fatty acids would be observed for adults [TRFA (PAF 98.37%, 95%CI 87.27-99.79) and SFA (PAF 37.26%, 95%CI 25.46-47.19)] and for elderly [TRFA (PAF 94.61%, 95%CI 77.59-98.71) and PUFA (PAF 98.28, 95%CI 48.22-99.94)].
Conclusions
In this study the consumption of UPF was associated with a worse fatty acids profile in the Portuguese diet, adding evidence regarding the negative impact of UPF on diet quality.
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Key words
Food processing,Ultra-processed foods,Diet,food and nutrition,Fatty Acids,Portugal
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