{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T11:04:50Z","timestamp":1789383890667,"version":"build-2803163510"},"reference-count":100,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T00:00:00Z","timestamp":1789171200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"National Council for Scientific and Technological Development\u2014CNPq","doi-asserted-by":"publisher","award":["407904\/2025-5"],"award-info":[{"award-number":["407904\/2025-5"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"award":["407904\/2025-5"],"award-info":[{"award-number":["407904\/2025-5"]}],"id":[{"id":"https:\/\/ror.org\/03swz6y49","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Foods"],"abstract":"<jats:p>Digital technologies are increasingly used to understand and influence consumer food waste behavior, yet evidence on their applications and effectiveness remains fragmented. This systematic literature review synthesizes research at the intersection of consumer behavior, technological innovation, and food waste. Peer-reviewed articles published in English were identified through searches of Scopus and Web of Science, resulting in a final sample of 22 studies. Thematic analyses were conducted to examine publication patterns, research contexts, methodological approaches, and emerging research gaps. The literature shows a shift from predominantly theoretical and exploratory work towards more applied, technology-centered research. Scientific production is concentrated in Australia, China, Italy, the Netherlands, and the United Kingdom, while the selected studies are mainly published in journals focused on environmental sustainability, food-chain management, and consumer psychology. Two broad research approaches were identified: quantitative studies using cross-sectional surveys and statistical modeling, in which technology is treated as an explanatory factor, and experimental or design-oriented studies that employ technology as a direct intervention. However, the evidence base is constrained by extensive reliance on self-reported data, recall and social-desirability bias, and cross-sectional designs that limit causal and long-term conclusions. Future research should therefore prioritize longitudinal, mixed-methods, and objective measurement approaches, while examining emotional and psychological responses to food-waste-prevention technologies. The implementation of such technologies also requires attention to usability, user fatigue, privacy and ethical concerns, and psychological and cultural barriers to adoption. Overall, the findings indicate that digital technologies offer promising but insufficiently validated opportunities to support food waste reduction and that stronger empirical evidence is needed to guide their effective and responsible development.<\/jats:p>","DOI":"10.3390\/foods15183228","type":"journal-article","created":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T09:34:01Z","timestamp":1789378441000},"page":"3228","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Smart Consumption, Less Waste: The Role of Digital Technologies in Consumer Food Waste Reduction\u2014A Systematic Literature Review"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1947-9608","authenticated-orcid":false,"given":"Paula Karina","family":"Salume","sequence":"first","affiliation":[{"name":"Departamento de Ci\u00eancias Administrativas e Cont\u00e1beis (DECAC), Universidade Federal de S\u00e3o Jo\u00e3o del-Rei (UFSJ), Av. Visconde do Rio Preto, S\/n, bairro Col\u00f4nia do Bengo, S\u00e3o Jo\u00e3o del Rei 36301-360, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3993-5375","authenticated-orcid":false,"given":"Marcelo Werneck","family":"Barbosa","sequence":"additional","affiliation":[{"name":"Department of Agricultural Economics, Pontificia Universidad Cat\u00f3lica de Chile, Avenida Vicu\u00f1a Mackenna 4860, Macul, Santiago 7820436, Chile"},{"name":"Center for Advanced Transportation, Logistics, and Economic Competitiveness (CATLEC), Av. Vicu\u00f1a Mackenna 4860, Macul, Santiago 7820436, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcelo de Rezende","family":"Pinto","sequence":"additional","affiliation":[{"name":"Programa de P\u00f3s-gradua\u00e7\u00e3o em Administra\u00e7\u00e3o, Pontif\u00edcia Universidade Cat\u00f3lica de Minas Gerais (PUC Minas), Av. Dom Jos\u00e9 Gaspar, 500, Cora\u00e7\u00e3o Eucar\u00edstico, Belo Horizonte 30535-901, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,12]]},"reference":[{"key":"ref_1","unstructured":"FAO (2011). Global Food Losses and Food Waste\u2014Extent, Causes and Prevention, FAO."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"112268","DOI":"10.1016\/j.jenvman.2021.112268","article-title":"A Systematic Literature Review on Food Waste\/Loss Prevention and Minimization Methods","volume":"286","author":"Moraes","year":"2021","journal-title":"J. Environ. Manag."},{"key":"ref_3","first-page":"552","article-title":"A Systematic Literature Review of Impactful Food Waste Interventions at the Consumer Level","volume":"52","author":"Liechti","year":"2024","journal-title":"Sustain. Prod. 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