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Successful implemen...
Successful implementation of climate-friendly, nutritious, and acceptable school meals in practice: the optimat™ intervention study
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- Elinder, L. S. (author)
- Karolinska Institutet
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- Colombo, P. E. (author)
- Karolinska Institutet
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Patterson, E. (author)
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Parlesak, A. (author)
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- Lindroos, Anna-Karin, 1958 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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(creator_code:org_t)
- 2020-10-14
- 2020
- English.
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In: Sustainability. - : MDPI AG. - 2071-1050. ; 12:20
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Abstract
Subject headings
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- Introducing children to sustainable and healthy school meals can promote a long-term dietary shift to lower climate impact and improve population health. The aim of the OPTIMAT study was to optimize meals for minimum deviation from the current food supply while reducing greenhouse gases and ensuring nutritional adequacy without increasing cost. Optimized menus were tested in four primary schools in Sweden and effects on daily food consumption and waste evaluated. Pupils received their usual menu plan for three weeks and then the isocaloric optimized menu plan for another three weeks. Nutritional recommendations for a school lunch and a maximum of 500 g of carbon dioxide equivalents per meal (CO2 eq/meal) were applied as constraints during linear programming. Pulses, cereals, meat, and eggs increased, while fats and oils, dairy, sauces, and seasonings decreased. The amount of ruminant meat was reduced in favor of other meat products. The new menu was 28% lower in greenhouse gas emissions and slightly less costly than the original. No significant changes in mean food consumption or plate waste were found in interrupted time series analysis between the two periods. This pragmatic approach for combining linear optimization with meal planning could accelerate sustainable development of the meal sector in Sweden and abroad. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
Keyword
- Children
- Diet
- Greenhouse gas emissions
- Intervention
- Linear programming
- Optimization
- Sustainable development
- climate effect
- dietary shift
- food
- food consumption
- food supply
- greenhouse gas
- implementation process
- long-term change
- nutritive value
- public health
- Sweden
Publication and Content Type
- ref (subject category)
- art (subject category)
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