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Evaluation of environmental performance of dietary patterns in the United States considering food nutrition and satiety by Chapa, James; Farkas, Brian; Bailey, Regan L.; Huang, Jen-Yi is a Environmental Science article available to read on EtoBox.

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Food production substantially depletes the environment in different ways, but little is known about how overall dietary patterns relate to these environmental impacts. The objective of this study was to evaluate the environmental performance of different dietary patterns among U.S. adults using life cycle assessment (LCA). A "typical" dietary pattern was compared with those recommended by the Dietary Guidelines for Americans, including "healthy U.S.", Mediterranean and lacto-ovo vegetarian. Supplemental functional units (FUs) were applied to incorporate the functions of food to provide nutrition and satiety, namely Nutrient Rich Foods Index 9.3 (NRF9.3), Nutritional Quality Index (NQI), and Fullness FactorTM (FF). Life cycle inventory data was collected for 14 food categories consisting of 76 component foods, and their midpoint environmental impacts were calculated, with particular focus on global warming potential. Diets in accordance with different patterns were constructed from selected component foods at a reference energy amount of 2000 kcal. Vegetarian diets on average generated the lowest carbon footprint regardless of the FU. However, large possible variations in the enviro

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Author

Chapa, James; Farkas, Brian; Bailey, Regan L.; Huang, Jen-Yi

Publisher

Elsevier Science; Elsevier ; Elsevier BV; Publons (ISSN 0048-9697)

Published

2020

Language

EN

Field

Environmental Science (Physical Sciences)