Do nutritional warnings do their work? : Results from a choice experiment involving snack products

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Título

Do nutritional warnings do their work? : Results from a choice experiment involving snack products

Tema

NUTRICION
INFORMACION NUTRICIONAL
ETIQUETADO NUTRICIONAL
REGISTRO VISUAL
EXPERIMENTOS DE ELECCION
BIBLIOGRAFIA NACIONAL QUIMICA
2019

Abstract

Nutritional warnings have been recently introduced as a new front-of-pack nutrition labelling scheme. Its particular goal is to facilitate the identification of products with excessive content of nutrients, given these are associated with non-communicable diseases. The aim of the present study was to evaluate the influence of nutritional warnings on consumers’ choice of a snack in a choice experiment involving real products. A total of 199 participants were asked to evaluate a series of bread images on a computer screen using eye-tracking glasses. Once they finished the task, they were invited to help themselves a snack from a shelf as a compensation for their participation in the study. A total of 15 snack products with different nutritional composition were included on the shelf. Participants were randomly divided into groups: one that made their choice from a shelf containing products that did not include front-of-package nutritional information, whereas the other chose among products that featured nutritional warnings. Participants in both experiments invested an average of 14 s to select their product. When products were presented with warnings, 50% of the participants fixated their gaze on the warnings during the choice task. Significant differences in the frequency of selection of the products (p = 0.002) were found between the groups. When the warnings were present, participants chose products with fewer warnings and lower average sodium, saturated fat, and sugar content (p < 0.001). These findings confirm the potential of nutritional warnings to encourage more healthful food choices.

Autor

Machín, Leandro
Curutchet, María Rosa
Aschemann-Witzel, Jessica

Fuente

Food Quality and Preference v. 77, 2019. -- p. 159-165

Editor

Elsevier

Fecha

2019

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PDF

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Inglés

Tipo

Artículo

Identificador

DOI:10.1016/j.foodqual.2019.05.012

Document Item Type Metadata

Original Format

PDF
Fecha de agregación
July 22, 2019
Colección
Bibliografía Nacional Química
Tipo de Elemento
Document
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Citación
Machín, Leandro, “Do nutritional warnings do their work? : Results from a choice experiment involving snack products,” RIQUIM - Repositorio Institucional de la Facultad de Química - UdelaR, accessed March 30, 2020, http://riquim.fq.edu.uy/items/show/5794.
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