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Sustainability is the integration of actions focused on three pillars: environmental, social, and economical. Implementing sustainable development ranges from the pursuit of quality of life, and from environmental balance to break with the current pattern of development. Therefore, the objective of this work was to understand and analyze the sustainability indicators implemented in the production of meals in food services. The authors developed specific search strategies for Scopus, Web of Science, Pubmed, Lilacs, Google Scholar, and ProQuest Dissertations 22.59% (n = 7) used two indicators in which 12.90% (n = 4) presented environmental and economic indicators and 9.67% (n = 3) with environmental and social indicators. This research indicates that the studies in food services are seeking to insert indicators that cover the three pillars of sustainable meal production. It is worth mentioning that in the literature, many works encompasses the importance of sustainability, but few explore which indicators are most applied or detail their implementation in food services. More studies are needed to estimate better the indicators being applied in food services.
Maynard et al. (2020) studied this question.