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Prof. Dr. Regina Wierzejska

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Department of Nutrition and Nutritional Value of Food, National Institute of Public Health NIH—National Research Institute, 00-791 Warsaw, Poland
Interests: nutrition during pregnancy; diet-related diseases; vitamin D; dietary supplements; caffeine and its sources; food law; food labeling
Special Issues, Collections and Topics in MDPI journals

Dr. Katarzyna Stoś

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Department of Nutrition and Nutritional Value of Food, National Institute of Public Health NIH—National Research Institute, 00-791 Warsaw, Poland
Interests: food consumption survey; intake of vitamins and minerals; prevention of diet-related diseases; iodine deficiency prophylaxis; food supplements; fortified food; nutritive value of food; food additives
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The intensive development of nutrition science has led to the firm knowledge that an unbalanced diet significantly increases the risk of many diseases. In developed countries, the most common diet-related disease is obesity and its consequences, such as type 2 diabetes, cardiovascular disease, and certain cancers. However, it should not be forgotten that in some parts of the world there are still chronic nutritional deficiencies that lead to the destruction of the body. In the case of diseases resulting from excessive consumption of food, despite many actions taken in the public health sector to raise public awareness, including nutrition labeling, it is still difficult to change consumers' eating habits. Another issue is the lack of strong determination to develop long-term pro-health habits, while, simultaneously, interest in so-called “miracle diets” is unabated.

In this Special Issue, we welcome manuscripts across a broad range of topics, including research on different nutrition models and their impact on health and disease prevention.

Prof. Dr. Regina Wierzejska
Dr. Katarzyna Stoś
Guest Editors

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Keywords

nutrition
consumer behaviour
plant-based diets
malnutrition
food reformulation
dietary supplements
food taxation
metabolism
disease prevention

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13 pages, 2233 KiB

Open AccessArticle

Discrepancy between Food Classification Systems: Evaluation of Nutri-Score, NOVA Classification and Chilean Front-of-Package Food Warning Labels

by Aranza Valenzuela, Leandro Zambrano, Rocío Velásquez, Catalina Groff, Tania Apablaza, Cecilia Riffo, Sandra Moldenhauer, Pamela Brisso and Marcell Leonario-Rodriguez

Int. J. Environ. Res. Public Health 2022, 19(22), 14631; https://doi.org/10.3390/ijerph192214631 - 8 Nov 2022

Cited by 12 | Viewed by 3077

Abstract

Background: Currently, there are different food classification systems in order to inform the population of the best alternatives for consumption, considering all the diseases associated with the consumption of products of low nutritional quality. Reports indicate that these forms of labelling warnings correspond to a laudable strategy for populations that do not have the knowledge to discriminate between the wide range of products offered by the food industry. However, recent publications indicate that there may be inconsistencies between the different classification guidelines, and the guidelines that nations should adopt in their food guides are still a matter of debate. In view of this, the present study aimed to evaluate the quantitative and qualitative differences that exist between the NOVA, Nutri-Score and Chilean Front-of-package (FoP) food warning label according to the Chilean basic food basket list. Method: An analytical study was carried out to classify a list of 736 foods according to three different systems, evaluating the distributions according to their methods of classifying the products. Quantitative differences were contrasted for each system, as well as between them, together with an analysis of the dimensions of each system. Results: According to the Nutri-Score classification, the most frequent category was A with 27% (high nutritional quality), followed by D with 22% (low nutritional quality) of the total. On the other hand, the NOVA classification showed that the most frequent categorization was ultra-processed food (NOVA 4) with 54%, followed by unprocessed (NOVA 1) with 19%. Regarding the FoP warning labels, 57% of the foods were categorized as free warning labels, followed by the category of foods with 3 warning labels (23%). Regarding the results of the principal component analysis, the Nutri-Score and FoP warning labels present a degree of similarity in their classification guidelines, being different than the dimension pointed out by NOVA. Conclusion: The present work managed to demonstrate that there are quantitative and qualitative differences between the classification and recommendation guidelines of the Nutri-Score, NOVA and FoP warning labels, finding concrete discrepancies between them. Full article

(This article belongs to the Special Issue Human Nutrition and Disease Prevention)

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8 pages, 668 KiB

Open AccessArticle

The Impact of the Sweetened Beverages Tax on Their Reformulation in Poland—The Analysis of the Composition of Commercially Available Beverages before and after the Introduction of the Tax (2020 vs. 2021)

by Regina Ewa Wierzejska

Int. J. Environ. Res. Public Health 2022, 19(21), 14464; https://doi.org/10.3390/ijerph192114464 - 4 Nov 2022

Cited by 2 | Viewed by 1730

Abstract

The aim of this study was to estimate changes in the composition of carbonated and non-carbonated sugar-sweetened beverages before and after the introduction of the beverage tax in Poland. Based on the labels of 198 drinks, the composition and nutritional values of the drinks were compared. The nonparametric Mann–Whitney test was applied to compare the differences in the sugar and juice content as well as energy value. After the introduction of the tax, the median sugar content in the carbonated beverages decreased from 8.6 g to 6.9 g/100 mL (p = 0.004), while in the non-carbonated beverages, it decreased from 5.5 g to 4.8 g/100 mL (p < 0.001). In the entire beverage group, there was a significant drop in the proportion of beverages that contained >5 g of sugars/100 mL (44.4% in 2021 vs. 70.2% in 2020). The median juice content in the carbonated beverages increased from 1.0% to 3.3% (p = 0.121), but totalled 20.0% for both periods in the non-carbonated beverages. The percentage of beverages with a tax-exempt composition (juice content ≥ 20% and sugar content ≤ 5 g/100 mL) almost tripled. After the introduction of the tax, beneficial changes in the compositions of 62% of the analysed beverages were observed in terms of their sugar and/or juice content. Full article

(This article belongs to the Special Issue Human Nutrition and Disease Prevention)

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