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Use of food quotients to predict respiratory quotients for the doubly-labelled water method of measuring energy expenditure
1986
Black, A.E. | Prentice, A.M. | Coward, W.A.
The use of food quotients (FQ) calculated from dietary records is proposed for predicting respiratory quotients (RQ) that are needed for calculating free-living energy expenditure determined by the doubly-labeled water method which predicts respiratory CO2 production. This approach is based on the fact that, over the relatively long periods of double-isotope measurements (10-20 days), FQ (which can be obtained from a single 4-day measurement of dietary composition) must equal RQ in subjects in energy balance. It is shown that FQ can easily be adjusted to account for anabolism or catabolism for subjects not in energy balance. Typical RQ values are reported for various population sub-groups residing in the United Kingdom (omnivorous adults, vegetarians, vegans, Asian immigrants, and weaned and breast- and bottle-fed infants).(wz)
Show more [+] Less [-]Water and Food Safety in the Developing World: Global Implications for Health and Nutrition of Infants and Young Children Full text
2007
Marino, D.D.
Contaminated water and food are major causes of malnutrition and mortality in the developing world, particularly among children. Infants are most vulnerable to diarrheal illnesses when introduced to fluids and foods as they are weaned from breastfeeding to a mixed diet. There is scant literature about the role of nutrition professionals in addressing this problem. Considerable progress has been made in identifying strategies to prevent diarrhea in children. Strategies include implementing low-technology methods of sanitizing water, emphasizing the benefits of breastfeeding, protecting prepared foods from unclean environments, and educating and motivating food preparers. Resolution of water and food safety problems requires a collaborative interdisciplinary approach among health professionals and involvement of community leaders. Dietetic professionals have the training to empower individuals and communities with skills to create a safe water and food environment.
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