Journal
COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY
Volume 22, Issue 1, Pages 535-586Publisher
WILEY
DOI: 10.1111/1541-4337.13085
Keywords
consumer; eating behavior; health; nutrition labeling; packaged foods
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This study aims to provide a comprehensive overview of front-of-package nutritional labeling (FOPL) systems, their impact on consumer behavior, and future perspectives. It includes FOPL systems from more than 47 countries worldwide and identifies two main ways to characterize FOPL. Interpretive schemes appear to be more effective in improving consumer understanding and supporting healthier food choices. However, the effectiveness of FOPL is influenced by various factors, such as food taste, price, cultural diversity, and education.
This work aims to provide a comprehensive overview of the use of front-of-package nutritional labeling (FOPL), identify and characterize the major existing FOPL systems, examine the impact of FOPL systems on consumer behavior, and discuss future perspectives. The searched databases were PubMed, Scopus, and Web of Science, and papers in English, Portuguese, Spanish, and French were considered. The integrative review method was used, comprising 68 papers. The FOPL system from more than 47 countries from North America, South America, Africa, Europe, Australia, and Asia was included in this study. The two main ways to characterize FOPL are the level of interpretation and the type of information provided. Interpretive schemes (such as warning labels, multiple traffic lights, and Nutri-Score) appear to lead to better consumer understanding and support healthier food purchases. However, due to the differences among the results and the specificity of the contexts in which they are used, it is impossible to define one FOPL interpretation scheme superior to the others. Some potential factors that influence the effectiveness of FOPL on consumer attitudes have been identified, such as food taste, as a major intrinsic factor. Extrinsic factors, such as price, food category, cultural diversity, politics, and economics, were also relevant. The lack of availability of similar alternatives, lack of understanding of the importance of FOPL, and lower levels of income and education were also some cognitive and social aspects impairing FOPL effectiveness. Prospects for the United States, Europe, Brazil, Colombia, and Argentina were discussed.
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