Effects of chronic peanut consumption on energy balance and hedonics

Effects of chronic peanut consumption on energy balance and hedonics

OBJECTIVE: To investigate the effects of chronic peanut consumption on energy balance and hedonics. DESIGN: Thirty-week, cross-over, intervention study. Participants were provided 2113±494 kJ/day (505±118 kcal/day) as peanuts for 8 weeks with no dietary guidance (free feeding¾FF), 3 weeks with instr...

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Bibliographic Details
Published in:International Journal of Obesity Vol. 26; no. 8; pp. 1129 - 1137
Main Authors: Alper, C.M, Mattes, R.D
Format: Journal Article
Language:English
Published: Basingstoke Nature Publishing Group 01-08-2002
Nature Publishing
Subjects:
Adult
adults
Appetite
Arachis
Biological and medical sciences
Body mass index
Body Weight
Cardiovascular disease
Cross-Over Studies
Diet
dietary fat
dietary recommendations
Energy
Energy balance
Energy Intake
Energy Metabolism
Fatty acids
Feeding Behavior
Female
Food
food intake
Humans
Hunger
Ingestion
Investigative techniques, diagnostic techniques (general aspects)
Legumes
lipids
long term effects
Male
Medical sciences
Metabolic diseases
Nutrition research
Nuts
Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques
Peanuts
Philosophy
Reference Values
resting energy expenditure
satiety
snack foods
Surveys and Questionnaires
taste
Weight control
weight gain
United States > US
Human
Energy balance
Peanut
Chronic
Food intake
Cross sectional study
Food habit
Risk factor
Asymptomatic
Metabolism
Mechanism of action
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Summary:OBJECTIVE: To investigate the effects of chronic peanut consumption on energy balance and hedonics. DESIGN: Thirty-week, cross-over, intervention study. Participants were provided 2113±494 kJ/day (505±118 kcal/day) as peanuts for 8 weeks with no dietary guidance (free feeding¾FF), 3 weeks with instructions to add peanuts to their customary diet (addition¾ADD) and 8 weeks where peanuts replaced an equal amount of other fats in the diet (substitution¾SUB). SUBJECTS: Fifteen, healthy, normal-weight (BMI of 23.3±1.8) adults, aged 33±9 y. MEASUREMENTS: Dietary intake, appetitive indices, energy expenditure, body weight and hedonics. RESULTS: During FF, peanut consumption elicited a strong compensatory dietary response (ie subjects compensated for 66% of the energy provided by the nuts) and body weight gain (1.0 kg) was significantly lower than predicted (3.6 kg; P<0.01). When customary dietary fat was replaced with the energy from peanuts, energy intake, as well as body weight, were maintained precisely. Participants were unaware that body weight was a research focus. Resting energy expenditure was increased by 11% after regular peanut consumption for 19 weeks (P<0.01). Chronic consumption of peanuts did not lead to a decline in pleasantness or hunger ratings for peanuts nor did it lead to any hedonic shift for selected snack foods with other taste qualities during any of the three treatments. CONCLUSIONS: Despite being energy dense, peanuts have a high satiety value and chronic ingestion evokes strong dietary compensation and little change in energy balance.
Bibliography:http://dx.doi.org/10.1038/sj.ijo.0802050
ISSN:0307-0565
1476-5497
DOI:10.1038/sj.ijo.0802050