Canadian Recommended Nutrient Intakes Underestimate True Energy Requirements in Middle-aged Women

Autor:	P J, Jones, L J, Martin, W, Su, N F, Boyd
Rok vydání:	1997
Předmět:	Adult Canada Nutritional Requirements Public Health Environmental and Occupational Health General Medicine Middle Aged Oxygen Isotopes Deuterium Diet Records Article Random Allocation Nutrition Assessment Humans Female Energy Intake Energy Metabolism Diet Fat-Restricted
Zdroj:	Canadian Journal of Public Health. 88:314-319
ISSN:	1920-7476 0008-4263
DOI:	10.1007/bf03403897
Popis:	To examine whether Health Canada's Recommended Nutrient Intakes (RNI) and FAO/WHO/UNU (Food and Agriculture Organization, World Health Organization, United Nations University) values provide accurate indices of true energy requirements, energy expenditure was determined using doubly labelled water (DLW) over 13 days in a group of 29 middle-aged women. Energy intakes were calculated from weighed food intake, and energy expenditures and intakes were then compared with individual calculated RNI requirements. The mean energy requirement as determined by DLW expenditure (9.56 +/- 0.53 MJ/d) was higher (p0.0001) than reported energy intake (7.08 +/- 0.30 MJ/d) and was higher (p0.004) than RNI mean energy requirement (7.97 +/- 0.18 MJ/d). The mean RNI for energy was also lower (p0.0001) than that derived from FAO data. These results suggest that current Health Canada RNIs are inadequate in predicting the energy needs of Canadian middle-aged women.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72678edc695512b5a891dc73f7b7e587 https://doi.org/10.1007/bf03403897 Zobrazit plný text záznamu Full text from SpringerLink