Relative fat oxidation is higher in children than adults.

Relative fat oxidation is higher in children than adults. Research Abstract Details 

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Relative fat oxidation is higher in children than adults. Abstract Text:

John C Kostyak,Penny Kris-Etherton,Deborah Bagshaw,James P DeLany,Peter A Farrell,John C Kostyak,Penny Kris-Etherton,Deborah Bagshaw,James P DeLany,Peter A Farrell,

BACKGROUND: Prepubescent children may oxidize fatty acids more readily than adults. Therefore, dietary fat needs would be higher for children compared with adults. The dietary fat recommendations are higher for children 4 to 18 yrs (i.e., 25 to 35% of energy) compared with adults (i.e., 20 to 35% of energy). Despite this, many parents and children restrict dietary fat for health reasons. METHODS: This study assessed whether rates of fat oxidation are similar between prepubescent children and adults. Ten children (8.7 +/- 1.4 yr, 33 +/- 13 kg mean +/- SD) in Tanner stage 1 and 10 adults (41.6 +/- 8 yr, 74 +/- 13 kg) were fed a weight maintenance diet for three days to maintain body weight and to establish a consistent background for metabolic rate measurements (all foods provided). Metabolic rate was measured on three separate occasions before and immediately after breakfast and for 9 hrs using a hood system (twice) or a room calorimeter (once) where continuous metabolic measurements were taken. RESULTS: During all three sessions whole body fat oxidation was higher in children (lower RQ) compared to adults (mean RQ= 0.84 +/- .016 for children and 0.87 +/- .02, for adults, p < 0.02). Although, total grams of fat oxidized was similar in children (62.7 +/- 20 g/24 hrs) compared to adults (51.4 +/- 19 g/24 hrs), the grams of fat oxidized relative to calorie expenditure was higher in children (0.047 +/- .01 g/kcal, compared to adults (0.032 +/- .01 p < 0.02). Females oxidized more fat relative to calorie expenditure than males of a similar age. A two way ANOVA showed no interaction between gender and age in terms of fat oxidation. CONCLUSION: These data suggest that fat oxidation relative to total calorie expenditure is higher in prepubescent children than in adults. Consistent with current dietary guidelines, a moderate fat diet is appropriate for children within the context of a diet that meets their energy and nutrient needs.

Relative fat oxidation is higher in children than adults. Publishing Authors By Initials

JC Kostyak,P Kris-Etherton,D Bagshaw,JP DeLany,PA Farrell,JC Kostyak,P Kris-Etherton,D Bagshaw,JP DeLany,PA Farrell,

For similar organic chemicals: urea research abstracts see: organic chemicals: urea research

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Relative fat oxidation is higher in children than adults. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Nutrition journal

VOLUME: 6

Page Numbers: 19

Journal Abbreviation:

ISSN: 1475-2891

DAY: 16

MONTH: 08

YEAR: 2007

Relative fat oxidation is higher in children than adults. Information

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LANGUAGE: eng

NlmUniqueID: 101152213

Relative fat oxidation is higher in children than adults. Keywords Mesh Terms:

KEYWORDS: Urea

MESH TERMS: urine

Chemical & Substance for Abstract: Relative fat oxidation is higher in children than adults. Information

Substance Name: Urea

Registry Number: 57-13-6

Grant and Affiliation Information for Relative fat oxidation is higher in children than adults.

AFFILIATION: Department of Biology, University of Delaware, 305 Wolf Hall, Newark, Delaware 9716, USA. jck@udel.edu

Country: England

AGENCY: United States NCRR

GRANT: MO1 RR 10732

ACRONYM: RR

MEDLINETA: Nutr J

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