Optimisation modelling to improve the diets of First Nations individuals
Abstract We examined the feasibility of linear programming (LP) to develop diets that were economical, included traditional (cultural, non-market) foods and met the dietary reference intakes (DRI) in a Canadian Indigenous population. Diet optimisation using LP is a mathematical technique that can de...
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crcambridgeupr:10.1017/jns.2019.30 2024-05-12T08:03:41+00:00 Optimisation modelling to improve the diets of First Nations individuals Johnson-Down, Louise Willows, Noreen Kenny, Tiff-Annie Ing, Amy Fediuk, Karen Sadik, Tonio Chan, Hing Man Batal, Malek 2019 http://dx.doi.org/10.1017/jns.2019.30 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S2048679019000302 en eng Cambridge University Press (CUP) http://creativecommons.org/licenses/by/4.0/ Journal of Nutritional Science volume 8 ISSN 2048-6790 Endocrinology, Diabetes and Metabolism Food Science Nutrition and Dietetics journal-article 2019 crcambridgeupr https://doi.org/10.1017/jns.2019.30 2024-04-18T06:54:00Z Abstract We examined the feasibility of linear programming (LP) to develop diets that were economical, included traditional (cultural, non-market) foods and met the dietary reference intakes (DRI) in a Canadian Indigenous population. Diet optimisation using LP is a mathematical technique that can develop food-based dietary guidelines for healthy eating in Indigenous populations where food insecurity, availability and cost are important considerations. It is a means of developing nutritionally optimal food combinations that are based on economical and culture-specific foods. Observed food consumption data were derived using 24-h food recalls from the First Nations Food, Nutrition and Environment Study. The LP models were constructed to develop diets meeting DRI, cost and food constraints. Achieving the recommended food intake was not feasible in a model meeting all nutrient requirements. Models that met most nutrient requirements at reduced cost were designed for men and women, separately. In women, it was necessary to increase energy intake to meet most nutrient requirements. Nutrient requirements could not be met for fibre, linoleic and linolenic acids, vitamin D, Ca and K in both sexes, P in women, and Mg and vitamin A in men. Using LP to develop optimal diets for First Nations people, we found simultaneous achievement of all DRI was difficult, suggesting that supplementation might be necessary which goes against recommendations for individuals to meet their nutrient needs through healthy eating patterns. Additionally, to make diets feasible, programmes to reduce market food costs and to support First Nations people in traditional food harvesting are recommended. Article in Journal/Newspaper First Nations Cambridge University Press Journal of Nutritional Science 8 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
topic |
Endocrinology, Diabetes and Metabolism Food Science Nutrition and Dietetics |
spellingShingle |
Endocrinology, Diabetes and Metabolism Food Science Nutrition and Dietetics Johnson-Down, Louise Willows, Noreen Kenny, Tiff-Annie Ing, Amy Fediuk, Karen Sadik, Tonio Chan, Hing Man Batal, Malek Optimisation modelling to improve the diets of First Nations individuals |
topic_facet |
Endocrinology, Diabetes and Metabolism Food Science Nutrition and Dietetics |
description |
Abstract We examined the feasibility of linear programming (LP) to develop diets that were economical, included traditional (cultural, non-market) foods and met the dietary reference intakes (DRI) in a Canadian Indigenous population. Diet optimisation using LP is a mathematical technique that can develop food-based dietary guidelines for healthy eating in Indigenous populations where food insecurity, availability and cost are important considerations. It is a means of developing nutritionally optimal food combinations that are based on economical and culture-specific foods. Observed food consumption data were derived using 24-h food recalls from the First Nations Food, Nutrition and Environment Study. The LP models were constructed to develop diets meeting DRI, cost and food constraints. Achieving the recommended food intake was not feasible in a model meeting all nutrient requirements. Models that met most nutrient requirements at reduced cost were designed for men and women, separately. In women, it was necessary to increase energy intake to meet most nutrient requirements. Nutrient requirements could not be met for fibre, linoleic and linolenic acids, vitamin D, Ca and K in both sexes, P in women, and Mg and vitamin A in men. Using LP to develop optimal diets for First Nations people, we found simultaneous achievement of all DRI was difficult, suggesting that supplementation might be necessary which goes against recommendations for individuals to meet their nutrient needs through healthy eating patterns. Additionally, to make diets feasible, programmes to reduce market food costs and to support First Nations people in traditional food harvesting are recommended. |
format |
Article in Journal/Newspaper |
author |
Johnson-Down, Louise Willows, Noreen Kenny, Tiff-Annie Ing, Amy Fediuk, Karen Sadik, Tonio Chan, Hing Man Batal, Malek |
author_facet |
Johnson-Down, Louise Willows, Noreen Kenny, Tiff-Annie Ing, Amy Fediuk, Karen Sadik, Tonio Chan, Hing Man Batal, Malek |
author_sort |
Johnson-Down, Louise |
title |
Optimisation modelling to improve the diets of First Nations individuals |
title_short |
Optimisation modelling to improve the diets of First Nations individuals |
title_full |
Optimisation modelling to improve the diets of First Nations individuals |
title_fullStr |
Optimisation modelling to improve the diets of First Nations individuals |
title_full_unstemmed |
Optimisation modelling to improve the diets of First Nations individuals |
title_sort |
optimisation modelling to improve the diets of first nations individuals |
publisher |
Cambridge University Press (CUP) |
publishDate |
2019 |
url |
http://dx.doi.org/10.1017/jns.2019.30 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S2048679019000302 |
genre |
First Nations |
genre_facet |
First Nations |
op_source |
Journal of Nutritional Science volume 8 ISSN 2048-6790 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1017/jns.2019.30 |
container_title |
Journal of Nutritional Science |
container_volume |
8 |
_version_ |
1798845803261853696 |