beatriz de barros

B. V. d.Barros, M. V. d. S.Kraemer, L.Vanderlee, et al., “Evaluating Trans-Fatty Acids Labelling in Packaged Foods Sold in Brazil Before and After National Policy Changes,” Journal of Human Nutrition and Dietetics39 (2026): e70253, https://doi.org/10.1111/jhn.70253. 1 Introduction Oils and fats have important functions in packaged foods [1]. Often, the use of oils and fats requires industrial modification processes to alter their composition and provide structure to the packaged foods [2].